fix: 引入Settings的Module

Settings/tests/unit/Android.bp

@@ -0,0 +1,55 @@
+package {
+    default_team: "trendy_team_android_settings_app",
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "packages_apps_Settings_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["packages_apps_Settings_license"],
+}
+
+android_test {
+    name: "SettingsUnitTests",
+
+    certificate: "platform",
+
+    libs: [
+        "telephony-common",
+        "ims-common",
+    ],
+
+    static_libs: [
+        "aconfig_settings_flags_lib",
+        "androidx.arch.core_core-testing",
+        "androidx.test.core",
+        "androidx.test.espresso.core",
+        "androidx.test.rules",
+        "androidx.test.ext.junit",
+        "androidx.preference_preference",
+        "flag-junit",
+        "mockito-target-minus-junit4",
+        "platform-test-annotations",
+        "platform-test-rules",
+        "truth",
+        "kotlinx_coroutines_test",
+        "flag-junit",
+        "Settings-testutils2",
+        "MediaDrmSettingsFlagsLib",
+        // Don't add SettingsLib libraries here - you can use them directly as they are in the
+        // instrumented Settings app.
+    ],
+
+    errorprone: {
+        javacflags: ["-Xep:CheckReturnValue:WARN"],
+    },
+    // Include all test java/kotlin files.
+    srcs: [
+        "src/**/*.java",
+        "src/**/*.kt",
+    ],
+    use_resource_processor: true,
+    platform_apis: true,
+    test_suites: ["device-tests"],
+
+    instrumentation_for: "Settings",
+}

Settings/tests/unit/AndroidManifest.xml

@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.android.settings.tests.unit">
+
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.USE_CREDENTIALS" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
+    <uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
+    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />
+
+    <application android:debuggable="true">
+        <uses-library android:name="android.test.runner" />
+        <activity android:name="com.android.settings.tests.BluetoothRequestPermissionTest"
+            android:exported="true"
+            android:label="Bluetooth Perm Test" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name="Operator" android:label="Operator Hook Test"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.android.settings.OPERATOR_APPLICATION_SETTING" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.title" android:resource="@string/operator_settings_title" />
+            <meta-data android:name="com.android.settings.summary" android:resource="@string/operator_settings_summary" />
+            <meta-data android:name="com.android.settings.icon" android:resource="@drawable/ic_settings_applications" />
+        </activity>
+        <activity android:name="Manufacturer" android:label="Manufacturer Hook Test"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.android.settings.MANUFACTURER_APPLICATION_SETTING" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.title" android:resource="@string/manufacturer_settings_title" />
+            <meta-data android:name="com.android.settings.summary" android:resource="@string/manufacturer_settings_summary" />
+            <meta-data android:name="com.android.settings.icon" android:resource="@drawable/ic_settings_applications" />
+        </activity>
+
+        <service android:name="com.android.settings.accounts.TestAuthService"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.accounts.AccountAuthenticator" />
+            </intent-filter>
+            <meta-data android:name="android.accounts.AccountAuthenticator"
+                       android:resource="@xml/authenticator" />
+        </service>
+
+        <!-- Disable startup provider due to resource loading issue. -->
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            tools:node="remove"/>
+
+    </application>
+
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+        android:targetPackage="com.android.settings"
+        android:label="Settings Test Cases">
+    </instrumentation>
+
+</manifest>

Settings/tests/unit/AndroidTest.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Runs Settings Test Cases.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-instrumentation" />
+    <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
+        <option name="cleanup-apks" value="true" />
+        <option name="test-file-name" value="SettingsUnitTests.apk" />
+        <option name="aapt-version" value="AAPT2" />
+    </target_preparer>
+
+    <option name="test-tag" value="SettingsUnitTests" />
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
+        <option name="package" value="com.android.settings.tests.unit" />
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
+        <option name="hidden-api-checks" value="false"/>
+    </test>
+</configuration>

Settings/tests/unit/OWNERS

@@ -0,0 +1,2 @@
+# We do not guard tests - everyone is welcomed to contribute to tests.
+per-file *.java=*

Settings/tests/unit/README

@@ -0,0 +1,29 @@
+The simplest way to run all SettingsUnitTests is with atest
+$ atest SettingsUnitTests
+
+A single class can also be tested with the following command
+$ atest -c <YourClassName>
+
+// The following instructions show how to run the test suite using make + adb //
+
+To build the tests you can use the following command at the root of your android source tree
+$ make -j SettingsUnitTests
+
+The test apk then needs to be installed onto your test device. The apk's location will vary
+depending on your device model and architecture. At the end of the make command's output, there
+should be a line similar to the following:
+"Copy: ${ANDROID_PRODUCT_OUT}/testcases/SettingsUnitTests/arm64/SettingsUnitTests.apk"
+Install via the following command:
+$ adb install -r ${ANDROID_PRODUCT_OUT}/testcases/SettingsUnitTests/arm64/SettingsUnitTests.apk
+
+To run all tests:
+$ adb shell am instrument -w com.android.settings.tests.unit/androidx.test.runner.AndroidJUnitRunner
+
+To run all tests in a specific class:
+$ adb shell am instrument -w -e class com.android.settings.<class> com.android.settings.tests.unit/androidx.test.runner.AndroidJUnitRunner
+
+To run a specific test:
+$ adb shell am instrument -w -e class com.android.settings.<class>#<test> com.android.settings.tests.unit/androidx.test.runner.AndroidJUnitRunner
+
+More general information can be found at
+http://developer.android.com/reference/android/support/test/runner/AndroidJUnitRunner.html

Settings/tests/unit/res/drawable/credman_icon_1_1.xml

@@ -0,0 +1,20 @@
+<!--
+  ~ Copyright (C) 2024 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#ff0000"/>
+    <size android:width="1dp" android:height="1dp" />
+</shape>

Settings/tests/unit/res/drawable/credman_icon_32_32.xml

@@ -0,0 +1,20 @@
+<!--
+  ~ Copyright (C) 2024 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#ff0000"/>
+    <size android:width="128dp" android:height="128dp" />
+</shape>

Settings/tests/unit/res/layout/bluetooth_request_permission_test.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ListView android:id="@+id/msg_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_weight="1"
+        android:transcriptMode="normal"/>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        style="@android:style/ButtonBar">
+
+        <Button android:id="@+id/enable"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/enable" />
+
+        <Button android:id="@+id/discoverable"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/discoverable" />
+
+        <Button android:id="@+id/scan"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/start_scan" />
+    </LinearLayout>
+</LinearLayout>

Settings/tests/unit/res/layout/manufacturer_main.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:orientation="vertical" android:layout_width="fill_parent"
+  android:layout_height="fill_parent">
+  <TextView android:layout_width="fill_parent"
+    android:layout_height="wrap_content" android:text="@string/manufacturer_hello" />
+</LinearLayout>

Settings/tests/unit/res/layout/operator_main.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:orientation="vertical" android:layout_width="fill_parent"
+  android:layout_height="fill_parent">
+  <TextView android:layout_width="fill_parent"
+    android:layout_height="wrap_content" android:text="@string/operator_hello" />
+</LinearLayout>

Settings/tests/unit/res/values/strings.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <!-- Test only. Do not translate. -->
+    <!-- Test only. Do not translate. -->
+    <!-- Test only. Do not translate. -->
+    <string name="enable" translatable="false">Enable</string>
+    <string name="discoverable" translatable="false">Discoverable</string>
+    <string name="start_scan" translatable="false">Start scan</string>
+    <string name="stop_scan" translatable="false">Stop scan</string>
+    <string name="operator_hello" translatable="false">Hello Operator!</string>
+    <string name="operator_settings_title" translatable="false">Operator</string>
+    <string name="operator_settings_summary" translatable="false">Operator hook that can be used to start activity of choice</string>
+    <string name="manufacturer_hello" translatable="false">Hello Manufacturer!</string>
+    <string name="manufacturer_settings_title" translatable="false">Manufacturer</string>
+    <string name="manufacturer_settings_summary" translatable="false">Manufacturer hook that can be used to start activity of choice</string>
+    <string name="account_auth_label" translatable="false">Settings Test Account</string>
+    <string name="account_type" translatable="false">com.settingstest.account-prefs</string>
+    <string name="account_pref_title" translatable="false">Test preference for external account</string>
+</resources>

Settings/tests/unit/res/xml/account_preferences.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <SwitchPreference
+        android:key="account_test_switch"
+        android:title="@string/account_pref_title" />
+
+</PreferenceScreen>
+

Settings/tests/unit/res/xml/authenticator.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<account-authenticator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/account_auth_label"
+    android:icon="@drawable/ic_settings_applications"
+    android:accountType="@string/account_type"
+    android:accountPreferences="@xml/account_preferences" />
+

Settings/tests/unit/src/com/android/settings/DefaultRingtonePreferenceTest.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContentInterface;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.pm.UserProperties;
+import android.net.Uri;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+/** Unittest for DefaultRingtonePreference. */
+@RunWith(AndroidJUnit4.class)
+public class DefaultRingtonePreferenceTest {
+
+    private static final int OWNER_USER_ID = 1;
+    private static final int OTHER_USER_ID = 10;
+    private static final int INVALID_RINGTONE_TYPE = 0;
+    private DefaultRingtonePreference mDefaultRingtonePreference;
+
+    @Mock
+    private ContentResolver mContentResolver;
+    @Mock
+    private UserManager mUserManager;
+    private Uri mRingtoneUri;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        Context context = spy(ApplicationProvider.getApplicationContext());
+        mContentResolver = ContentResolver.wrap(Mockito.mock(ContentInterface.class));
+        when(context.getContentResolver()).thenReturn(mContentResolver);
+
+        mDefaultRingtonePreference = spy(new DefaultRingtonePreference(context, null /* attrs */));
+        doReturn(context).when(mDefaultRingtonePreference).getContext();
+
+        // Use INVALID_RINGTONE_TYPE to return early in RingtoneManager.setActualDefaultRingtoneUri
+        when(mDefaultRingtonePreference.getRingtoneType())
+                .thenReturn(INVALID_RINGTONE_TYPE);
+
+        mDefaultRingtonePreference.setUserId(OWNER_USER_ID);
+        mDefaultRingtonePreference.mUserContext = context;
+        when(mDefaultRingtonePreference.isDefaultRingtone(any(Uri.class))).thenReturn(false);
+
+        when(context.getSystemServiceName(UserManager.class)).thenReturn(Context.USER_SERVICE);
+        when(context.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        UserProperties userProperties = new UserProperties.Builder().setMediaSharedWithParent(false)
+                .build();
+        when(mUserManager.getUserProperties(UserHandle.of(OTHER_USER_ID))).thenReturn(
+                userProperties);
+
+        mRingtoneUri = Uri.parse("content://none");
+    }
+
+    @Test
+    public void onSaveRingtone_nullMimeType_shouldNotSetRingtone() {
+        when(mContentResolver.getType(mRingtoneUri)).thenReturn(null);
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference, never()).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+
+    @Test
+    public void onSaveRingtone_notAudioMimeType_shouldNotSetRingtone() {
+        when(mContentResolver.getType(mRingtoneUri)).thenReturn("text/plain");
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference, never()).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+
+    @Test
+    public void onSaveRingtone_notManagedProfile_shouldNotSetRingtone() {
+        mRingtoneUri = Uri.parse("content://" + OTHER_USER_ID + "@ringtone");
+        when(mContentResolver.getType(mRingtoneUri)).thenReturn("audio/*");
+        when(mUserManager.isSameProfileGroup(OWNER_USER_ID, OTHER_USER_ID)).thenReturn(true);
+        when(mUserManager.getProfileParent(UserHandle.of(OTHER_USER_ID))).thenReturn(
+                UserHandle.of(OWNER_USER_ID));
+        when(mUserManager.isManagedProfile(OTHER_USER_ID)).thenReturn(false);
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference, never()).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+
+    @Test
+    public void onSaveRingtone_notSameUser_shouldNotSetRingtone() {
+        mRingtoneUri = Uri.parse("content://" + OTHER_USER_ID + "@ringtone");
+        when(mContentResolver.getType(mRingtoneUri)).thenReturn("audio/*");
+        when(mUserManager.isSameProfileGroup(OWNER_USER_ID, OTHER_USER_ID)).thenReturn(false);
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference, never()).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+
+    @Test
+    public void onSaveRingtone_isManagedProfile_shouldSetRingtone() {
+        mRingtoneUri = Uri.parse("content://" + OTHER_USER_ID + "@ringtone");
+        when(mContentResolver.getType(mRingtoneUri)).thenReturn("audio/*");
+        when(mUserManager.isSameProfileGroup(OWNER_USER_ID, OTHER_USER_ID)).thenReturn(true);
+        when(mUserManager.getProfileParent(UserHandle.of(OTHER_USER_ID))).thenReturn(
+                UserHandle.of(OWNER_USER_ID));
+        when(mUserManager.isManagedProfile(OTHER_USER_ID)).thenReturn(true);
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+
+    @Test
+    public void onSaveRingtone_defaultUri_shouldSetRingtone() {
+        mRingtoneUri = Uri.parse("default_ringtone");
+        when(mDefaultRingtonePreference.isDefaultRingtone(any(Uri.class))).thenReturn(true);
+
+        mDefaultRingtonePreference.onSaveRingtone(mRingtoneUri);
+
+        verify(mDefaultRingtonePreference).setActualDefaultRingtoneUri(mRingtoneUri);
+    }
+}

Settings/tests/unit/src/com/android/settings/LinkifyUtilsTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.text.Spannable;
+import android.text.style.ClickableSpan;
+import android.widget.TextView;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class LinkifyUtilsTest {
+    private static final String TEST_STRING = "to LINK_BEGINscanning settingsLINK_END.";
+    private static final String WRONG_STRING = "to scanning settingsLINK_END.";
+    private final LinkifyUtils.OnClickListener mClickListener = () -> { /* Do nothing */ };
+
+    private StringBuilder mSpanStringBuilder;
+    private StringBuilder mWrongSpanStringBuilder;
+    TextView mTextView;
+
+    @Before
+    public void setUp() throws Exception {
+        mSpanStringBuilder = new StringBuilder(TEST_STRING);
+        mWrongSpanStringBuilder = new StringBuilder(WRONG_STRING);
+        mTextView = new TextView(ApplicationProvider.getApplicationContext());
+    }
+
+    @Test
+    public void linkify_whenSpanStringCorrect_shouldReturnTrue() {
+        final boolean linkifyResult = LinkifyUtils.linkify(mTextView, mSpanStringBuilder,
+                mClickListener);
+
+        assertThat(linkifyResult).isTrue();
+    }
+
+    @Test
+    public void linkify_whenSpanStringWrong_shouldReturnFalse() {
+        final boolean linkifyResult = LinkifyUtils.linkify(mTextView, mWrongSpanStringBuilder,
+                mClickListener);
+
+        assertThat(linkifyResult).isFalse();
+    }
+
+    @Test
+    public void linkify_whenSpanStringCorrect_shouldContainClickableSpan() {
+        LinkifyUtils.linkify(mTextView, mSpanStringBuilder, mClickListener);
+        final Spannable spannableContent = (Spannable) mTextView.getText();
+        final int len = spannableContent.length();
+        final Object[] spans = spannableContent.getSpans(0, len, Object.class);
+
+        assertThat(spans[1] instanceof ClickableSpan).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/MainClearTest.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings
+
+import android.platform.test.flag.junit.SetFlagsRule
+import androidx.test.core.app.ActivityScenario
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
+import androidx.test.espresso.matcher.ViewMatchers.withText
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.Settings.FactoryResetActivity
+import com.android.settings.flags.Flags
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/** Test [MainClear]. */
+@RunWith(AndroidJUnit4::class)
+class MainClearTest {
+    @get:Rule
+    val mSetFlagsRule = SetFlagsRule()
+
+    @Test
+    fun factoryResetCancelButton_flagDisabled_noCancelButton() {
+        mSetFlagsRule.disableFlags(Flags.FLAG_SHOW_FACTORY_RESET_CANCEL_BUTTON)
+        ActivityScenario.launch(FactoryResetActivity::class.java).use {
+            ensurePrimaryButton()
+            onView(withText(android.R.string.cancel)).check(doesNotExist())
+            it.onActivity { activity -> assertThat(activity.isFinishing).isFalse() }
+        }
+    }
+
+    @Test
+    fun factoryResetCancelButton_flagEnabled_showCancelButton() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_SHOW_FACTORY_RESET_CANCEL_BUTTON)
+        ActivityScenario.launch(FactoryResetActivity::class.java).use {
+            ensurePrimaryButton()
+            it.onActivity { activity -> assertThat(activity.isFinishing).isFalse() }
+
+            // Note: onView CANNOT be called within onActivity block, which runs in the main thread
+            onView(withText(android.R.string.cancel)).check(matches(isDisplayed())).perform(click())
+
+            it.onActivity { activity -> assertThat(activity.isFinishing).isTrue() }
+        }
+    }
+
+    private fun ensurePrimaryButton() {
+        onView(withText(R.string.main_clear_button_text)).check(matches(isDisplayed()))
+    }
+}

Settings/tests/unit/src/com/android/settings/ResetSubscriptionContractTest.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class ResetSubscriptionContractTest {
+
+    private static final int SUB_ID_1 = 3;
+    private static final int SUB_ID_2 = 8;
+
+    @Mock
+    private SubscriptionManager mSubscriptionManager;
+    @Mock
+    private OnSubscriptionsChangedListener mOnSubscriptionsChangedListener;
+    @Mock
+    private SubscriptionInfo mSubscriptionInfo1;
+    @Mock
+    private SubscriptionInfo mSubscriptionInfo2;
+
+    private Context mContext;
+    private ResetNetworkRequest mRequestArgs;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mRequestArgs = new ResetNetworkRequest(new Bundle());
+    }
+
+    private ResetSubscriptionContract createTestObject() {
+        return new ResetSubscriptionContract(mContext, mRequestArgs) {
+            @Override
+            protected SubscriptionManager getSubscriptionManager() {
+                return mSubscriptionManager;
+            }
+            @Override
+            protected OnSubscriptionsChangedListener getChangeListener() {
+                return mOnSubscriptionsChangedListener;
+            }
+        };
+    }
+
+    @Test
+    public void getAnyMissingSubscriptionId_returnNull_whenNoSubscriptionChange() {
+        mRequestArgs.setResetTelephonyAndNetworkPolicyManager(SUB_ID_1);
+        doReturn(mSubscriptionInfo1).when(mSubscriptionManager)
+                .getActiveSubscriptionInfo(SUB_ID_1);
+        mRequestArgs.setResetApn(SUB_ID_2);
+        doReturn(mSubscriptionInfo2).when(mSubscriptionManager)
+                .getActiveSubscriptionInfo(SUB_ID_2);
+
+        ResetSubscriptionContract target = createTestObject();
+
+        verify(mSubscriptionManager).addOnSubscriptionsChangedListener(any(), any());
+
+        assertNull(target.getAnyMissingSubscriptionId());
+    }
+
+    @Test
+    public void getAnyMissingSubscriptionId_returnSubId_whenSubscriptionNotActive() {
+        mRequestArgs.setResetTelephonyAndNetworkPolicyManager(SUB_ID_1);
+        doReturn(mSubscriptionInfo1).when(mSubscriptionManager)
+                .getActiveSubscriptionInfo(SUB_ID_1);
+        mRequestArgs.setResetApn(SUB_ID_2);
+        doReturn(null).when(mSubscriptionManager)
+                .getActiveSubscriptionInfo(SUB_ID_2);
+
+        ResetSubscriptionContract target = createTestObject();
+
+        verify(mSubscriptionManager).addOnSubscriptionsChangedListener(any(), any());
+
+        assertEquals(target.getAnyMissingSubscriptionId(), new Integer(SUB_ID_2));
+    }
+}

Settings/tests/unit/src/com/android/settings/TestUtils.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings;
+
+import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_KEY;
+import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_INCLUDE_PREF_SCREEN;
+import static com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag.FLAG_NEED_KEY;
+
+import android.annotation.XmlRes;
+import android.content.Context;
+import android.os.Bundle;
+import android.provider.SearchIndexableResource;
+
+import com.android.settings.core.PreferenceXmlParserUtils;
+import com.android.settings.search.BaseSearchIndexProvider;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Convenience methods and constants for testing.
+ */
+public class TestUtils {
+    public static final long KILOBYTE = 1024L; // TODO: Change to 1000 in O Robolectric.
+    public static final long MEGABYTE = KILOBYTE * KILOBYTE;
+    public static final long GIGABYTE = KILOBYTE * MEGABYTE;
+
+    public static List<String> getAllXmlKeys(
+            Context context, BaseSearchIndexProvider indexProvider)
+            throws Exception {
+        final List<SearchIndexableResource> resources = indexProvider.getXmlResourcesToIndex(
+                context, true /* not used*/);
+        if (resources == null || resources.isEmpty()) {
+            return new ArrayList<>();
+        }
+        final List<String> keys = new ArrayList<>();
+        for (SearchIndexableResource res : resources) {
+            keys.addAll(getKeysFromXml(res.xmlResId, context));
+        }
+        return keys;
+    }
+
+    private static List<String> getKeysFromXml(@XmlRes int xmlResId, Context context)
+            throws Exception {
+        final List<String> keys = new ArrayList<>();
+        final List<Bundle> metadata = PreferenceXmlParserUtils.extractMetadata(context, xmlResId,
+                FLAG_NEED_KEY | FLAG_INCLUDE_PREF_SCREEN);
+        for (Bundle bundle : metadata) {
+            keys.add(bundle.getString(METADATA_KEY));
+        }
+        return keys;
+    }
+}

Settings/tests/unit/src/com/android/settings/TestingSettingsTest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.UserManager;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class TestingSettingsTest {
+
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private TestingSettings mTestingSettings;
+
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+    }
+
+    @Test
+    public void isRadioInfoVisible_returnFalse_whenUserRestricted() {
+        mockService(mContext, Context.USER_SERVICE, UserManager.class, mUserManager);
+
+        doReturn(true).when(mUserManager).isAdminUser();
+        doReturn(false).when(mUserManager).isGuestUser();
+        doReturn(true).when(mUserManager)
+                .hasUserRestriction(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS);
+
+        assertThat(mTestingSettings.isRadioInfoVisible(mContext)).isFalse();
+    }
+
+    private <T> void mockService(Context context, String serviceName,
+            Class<T> serviceClass, T service) {
+         when(context.getSystemServiceName(serviceClass)).thenReturn(serviceName);
+         when(context.getSystemService(serviceName)).thenReturn(service);
+     }
+}

Settings/tests/unit/src/com/android/settings/UserCredentialsSettingsTest.java

@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.Looper;
+import android.os.Process;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.ResourcesUtils;
+import com.android.settings.wifi.helper.SavedWifiHelper;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Spy;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class UserCredentialsSettingsTest {
+    static final String TEST_ALIAS = "test_alias";
+    static final String TEST_USER_BY_NAME = "test_used_by_name";
+
+    static final String TEXT_PURPOSE_SYSTEM = "credential_for_vpn_and_apps";
+    static final String TEXT_PURPOSE_WIFI = "credential_for_wifi";
+    static final String TEXT_PURPOSE_WIFI_IN_USE = "credential_for_wifi_in_use";
+
+    @Rule
+    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Spy
+    final Context mContext = ApplicationProvider.getApplicationContext();
+    @Mock
+    SavedWifiHelper mSavedWifiHelper;
+    @Mock
+    View mView;
+
+    UserCredentialsSettings mSettings;
+    UserCredentialsSettings.Credential mSysCredential =
+            new UserCredentialsSettings.Credential(TEST_ALIAS, Process.SYSTEM_UID);
+    UserCredentialsSettings.Credential mWifiCredential =
+            new UserCredentialsSettings.Credential(TEST_ALIAS, Process.WIFI_UID);
+    List<String> mUsedByNames = Arrays.asList(TEST_USER_BY_NAME);
+    TextView mPurposeView = new TextView(ApplicationProvider.getApplicationContext());
+    TextView mUsedByTitleView = new TextView(ApplicationProvider.getApplicationContext());
+    TextView mUsedByContentView = new TextView(ApplicationProvider.getApplicationContext());
+
+    @Before
+    @UiThreadTest
+    public void setUp() {
+        when(mSavedWifiHelper.isCertificateInUse(any(String.class))).thenReturn(false);
+        when(mSavedWifiHelper.getCertificateNetworkNames(any(String.class)))
+                .thenReturn(new ArrayList<>());
+        when(mView.getTag()).thenReturn(mWifiCredential);
+
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        mSettings = spy(new UserCredentialsSettings());
+        when(mSettings.getContext()).thenReturn(mContext);
+        mSettings.mSavedWifiHelper = mSavedWifiHelper;
+        doNothing().when(mSettings)
+                .showCredentialDialogFragment(any(UserCredentialsSettings.Credential.class));
+    }
+
+    @Test
+    @UiThreadTest
+    public void onClick_noCredentialInTag_doNothing() {
+        when(mView.getTag()).thenReturn(null);
+
+        mSettings.onClick(mView);
+
+        verify(mSavedWifiHelper, never()).getCertificateNetworkNames(any(String.class));
+        verify(mSettings, never())
+                .showCredentialDialogFragment(any(UserCredentialsSettings.Credential.class));
+    }
+
+    @Test
+    @UiThreadTest
+    public void onClick_credentialInNotUse_notSetUsedByNamesThenShowDialog() {
+        mWifiCredential.setInUse(false);
+        when(mView.getTag()).thenReturn(mWifiCredential);
+
+        mSettings.onClick(mView);
+
+        verify(mSavedWifiHelper, never()).getCertificateNetworkNames(any(String.class));
+        verify(mSettings)
+                .showCredentialDialogFragment(any(UserCredentialsSettings.Credential.class));
+    }
+
+    @Test
+    @UiThreadTest
+    public void onClick_credentialInUse_setUsedByNamesThenShowDialog() {
+        mWifiCredential.setInUse(true);
+        when(mView.getTag()).thenReturn(mWifiCredential);
+        when(mSavedWifiHelper.getCertificateNetworkNames(any(String.class)))
+                .thenReturn(mUsedByNames);
+
+        mSettings.onClick(mView);
+
+        verify(mSavedWifiHelper).getCertificateNetworkNames(any(String.class));
+        assertThat(mWifiCredential.getUsedByNames()).isEqualTo(mUsedByNames);
+        verify(mSettings)
+                .showCredentialDialogFragment(any(UserCredentialsSettings.Credential.class));
+    }
+
+    @Test
+    @UiThreadTest
+    public void updatePurposeView_getSystemCert_setTextCorrectly() {
+        mSettings.updatePurposeView(mPurposeView, mSysCredential);
+
+        assertThat(mPurposeView.getText()).isEqualTo(getResString(TEXT_PURPOSE_SYSTEM));
+    }
+
+    @Test
+    @UiThreadTest
+    public void updatePurposeView_getWifiCert_setTextCorrectly() {
+        mWifiCredential.setInUse(false);
+
+        mSettings.updatePurposeView(mPurposeView, mWifiCredential);
+
+        assertThat(mPurposeView.getText()).isEqualTo(getResString(TEXT_PURPOSE_WIFI));
+    }
+
+    @Test
+    @UiThreadTest
+    public void updatePurposeView_isWifiCertInUse_setTextCorrectly() {
+        mWifiCredential.setInUse(true);
+
+        mSettings.updatePurposeView(mPurposeView, mWifiCredential);
+
+        assertThat(mPurposeView.getText()).isEqualTo(getResString(TEXT_PURPOSE_WIFI_IN_USE));
+    }
+
+    @Test
+    @UiThreadTest
+    public void updateUsedByViews_noUsedByName_hideViews() {
+        mWifiCredential.setUsedByNames(new ArrayList<>());
+
+        mSettings.updateUsedByViews(mUsedByTitleView, mUsedByContentView, mWifiCredential);
+
+        assertThat(mUsedByTitleView.getVisibility()).isEqualTo(View.GONE);
+        assertThat(mUsedByContentView.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    @UiThreadTest
+    public void updateUsedByViews_hasUsedByName_showViews() {
+        mWifiCredential.setUsedByNames(mUsedByNames);
+
+        mSettings.updateUsedByViews(mUsedByTitleView, mUsedByContentView, mWifiCredential);
+
+        assertThat(mUsedByTitleView.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mUsedByContentView.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mUsedByContentView.getText().toString().contains(TEST_USER_BY_NAME)).isTrue();
+    }
+
+    static String getResString(String name) {
+        return ResourcesUtils.getResourcesString(ApplicationProvider.getApplicationContext(), name);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceControllerTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class AccessibilityShortcutPreferenceControllerTest {
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private AccessibilityShortcutPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new AccessibilityShortcutPreferenceController(mContext,
+                "accessibility_shortcut_preference");
+    }
+
+    @Test
+    public void isChecked_enabledShortcutOnLockScreen_shouldReturnTrue() {
+        Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, ON, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledShortcutOnLockScreen_shouldReturnFalse() {
+        Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, OFF,
+                UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableShortcutOnLockScreen() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, OFF,
+                UserHandle.USER_CURRENT)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableShortcutOnLockScreen() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_ON_LOCK_SCREEN, ON,
+                UserHandle.USER_CURRENT)).isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/DisableAnimationsPreferenceControllerTest.java

@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.ANIMATION_OFF_VALUE;
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.ANIMATION_ON_VALUE;
+import static com.android.settings.accessibility.DisableAnimationsPreferenceController.TOGGLE_ANIMATION_TARGETS;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.annotation.Nullable;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+@RunWith(AndroidJUnit4.class)
+public class DisableAnimationsPreferenceControllerTest {
+
+    private static final String TEST_PREFERENCE_KEY = "disable_animation";
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private Looper mLooper;
+
+    private PreferenceScreen mScreen;
+    private SwitchPreference mPreference;
+    private DisableAnimationsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        mLooper = Looper.myLooper();
+        PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        final SwitchPreference preference = new SwitchPreference(mContext);
+        preference.setKey(TEST_PREFERENCE_KEY);
+        preference.setPersistent(false);
+        mScreen.addPreference(preference);
+
+        mController = new DisableAnimationsPreferenceController(mContext, TEST_PREFERENCE_KEY);
+        mController.displayPreference(mScreen);
+        mPreference = mScreen.findPreference(TEST_PREFERENCE_KEY);
+    }
+
+    @After
+    public void cleanUp() {
+        // calling Settings.Global.resetToDefaults doesn't work somehow
+        // one could check if it works by running the test ones, and see if the settings
+        // that were changed being restored to default
+        setAnimationScaleAndWaitForUpdate(ANIMATION_ON_VALUE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledAnimation_shouldReturnFalse() {
+        setAnimationScaleAndWaitForUpdate(ANIMATION_ON_VALUE);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void isChecked_disabledAnimation_shouldReturnTrue() {
+        setAnimationScaleAndWaitForUpdate(ANIMATION_OFF_VALUE);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void setChecked_disabledAnimation_shouldDisableAnimationTargets() {
+        mController.setChecked(true);
+
+        for (String animationSetting : TOGGLE_ANIMATION_TARGETS) {
+            final float value = Settings.Global.getFloat(mContext.getContentResolver(),
+                    animationSetting, /* def= */ -1.0f);
+            assertThat(Float.compare(value, ANIMATION_OFF_VALUE)).isEqualTo(0);
+        }
+    }
+
+    @Test
+    public void setChecked_enabledAnimation_shouldEnableAnimationTargets() {
+        mController.setChecked(false);
+
+        for (String animationSetting : TOGGLE_ANIMATION_TARGETS) {
+            final float value = Settings.Global.getFloat(mContext.getContentResolver(),
+                    animationSetting, /* def= */ -1.0f);
+            assertThat(Float.compare(value, ANIMATION_ON_VALUE)).isEqualTo(0);
+        }
+    }
+
+    @Test
+    public void onStart_enabledAnimation_shouldReturnFalse() {
+        mController.onStart();
+
+        setAnimationScaleAndWaitForUpdate(ANIMATION_ON_VALUE);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void onStart_disabledAnimation_shouldReturnTrue() {
+        mController.onStart();
+
+        setAnimationScaleAndWaitForUpdate(ANIMATION_OFF_VALUE);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void onStop_shouldNotUpdateTargets() {
+        mPreference.setChecked(true);
+        mController.onStart();
+        mController.onStop();
+
+        setAnimationScaleAndWaitForUpdate(ANIMATION_ON_VALUE);
+
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    private void setAnimationScaleAndWaitForUpdate(float newValue) {
+        ContentResolver resolver = mContext.getContentResolver();
+        CountDownLatch countDownLatch = new CountDownLatch(TOGGLE_ANIMATION_TARGETS.size());
+        ContentObserver settingsObserver = new ContentObserver(new Handler(mLooper)) {
+            @Override
+            public void onChange(boolean selfChange, @Nullable Uri uri) {
+                countDownLatch.countDown();
+
+            }
+        };
+
+        try {
+            for (String key : TOGGLE_ANIMATION_TARGETS) {
+                resolver.registerContentObserver(Settings.Global.getUriFor(key),
+                        false, settingsObserver, UserHandle.USER_ALL);
+                Settings.Global.putFloat(mContext.getContentResolver(), key,
+                        newValue);
+            }
+            countDownLatch.await(5, TimeUnit.SECONDS);
+        } catch (InterruptedException e) {
+            Assert.fail(e.getMessage());
+        } finally {
+            resolver.unregisterContentObserver(settingsObserver);
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/DisplaySizeDataTest.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.AsyncTask;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+@RunWith(AndroidJUnit4.class)
+public class DisplaySizeDataTest {
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private DisplaySizeData mDisplaySizeData;
+    private int mInitialIndex;
+
+    @Before
+    public void setUp() {
+        mDisplaySizeData = new DisplaySizeData(mContext);
+        mInitialIndex = mDisplaySizeData.getInitialIndex();
+    }
+
+    @After
+    public void cleanUp() throws InterruptedException {
+        mDisplaySizeData.commit(mInitialIndex);
+        waitForDisplayChangesSynchronously();
+    }
+
+    @Test
+    public void commit_success() throws InterruptedException {
+        final int progress = mDisplaySizeData.getValues().size() - 1;
+        Assume.assumeTrue("We need more default display size to make the test effective",
+                mInitialIndex != progress && progress > 0);
+
+        mDisplaySizeData.commit(progress);
+        waitForDisplayChangesSynchronously();
+
+        final int density = mContext.getResources().getDisplayMetrics().densityDpi;
+        assertThat(density).isEqualTo(mDisplaySizeData.getValues().get(progress));
+    }
+
+    /**
+     * Wait for the display change propagated synchronously.
+     * <p/>
+     * Note: Currently, DisplayDensityUtils uses AsyncTask to change the display density
+     * asynchronously. If in the future we stop using the deprecated AsyncTask, we will need to
+     * update the wait mechanism in the test.
+     */
+    private void waitForDisplayChangesSynchronously() throws InterruptedException {
+        // The default AsyncTask.execute run tasks in serial order.
+        // Posting a new runnable and wait for it to finish means the previous tasks are all done.
+        CountDownLatch latch = new CountDownLatch(1);
+        AsyncTask.execute(latch::countDown);
+        latch.await(5, TimeUnit.SECONDS);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/FontWeightAdjustmentPreferenceControllerTest.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Tests for {@link FontWeightAdjustmentPreferenceController}.
+ */
+@RunWith(AndroidJUnit4.class)
+public class FontWeightAdjustmentPreferenceControllerTest {
+    private static final int ON = FontWeightAdjustmentPreferenceController.BOLD_TEXT_ADJUSTMENT;
+    private static final int OFF = 0;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private FontWeightAdjustmentPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new FontWeightAdjustmentPreferenceController(
+                mContext, "font_weight_adjustment");
+    }
+
+    @After
+    public void teardown() {
+        Settings.Secure.resetToDefaults(mContext.getContentResolver(), /* tag= */ null);
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledBoldText_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledBoldText_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableBoldText() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableBoldText() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF)).isEqualTo(OFF);
+    }
+
+    @Test
+    public void resetState_shouldDisableBoldText() {
+        mController.setChecked(true);
+
+        mController.resetState();
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.FONT_WEIGHT_ADJUSTMENT, OFF)).isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/HighTextContrastPreferenceControllerTest.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.Looper;
+import android.provider.Settings;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Tests for {@link HighTextContrastPreferenceController}.
+ */
+@RunWith(AndroidJUnit4.class)
+public class HighTextContrastPreferenceControllerTest {
+
+    private static final String PREF_KEY = "text_contrast";
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private HighTextContrastPreferenceController mController;
+    private PreferenceScreen mScreen;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        mPreference = new SwitchPreference(mContext);
+        mPreference.setKey(PREF_KEY);
+        mScreen.addPreference(mPreference);
+        mController = new HighTextContrastPreferenceController(mContext, PREF_KEY);
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledTextContrast_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledTextContrast_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableTextContrast() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, UNKNOWN)).isEqualTo(ON);
+
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableTextContrast() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, UNKNOWN)).isEqualTo(OFF);
+    }
+
+    @Test
+    public void resetState_shouldDisableTextContrast() {
+        mController.displayPreference(mScreen);
+        mController.setChecked(true);
+        mPreference.setChecked(true);
+
+        mController.resetState();
+
+        assertThat(mPreference.isChecked()).isFalse();
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, UNKNOWN)).isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/LargePointerIconPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.android.settings.accessibility.LargePointerIconPreferenceController.OFF;
+import static com.android.settings.accessibility.LargePointerIconPreferenceController.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class LargePointerIconPreferenceControllerTest {
+
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private LargePointerIconPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new LargePointerIconPreferenceController(mContext, "large_pointer");
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledLargePointer_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledLargePointer_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_enabled_shouldEnableLargePointer() {
+        mController.setChecked(true);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, UNKNOWN)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_disabled_shouldDisableLargePointer() {
+        mController.setChecked(false);
+
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON, UNKNOWN)).isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/MagnificationPreferenceControllerTest.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class MagnificationPreferenceControllerTest {
+
+    private Context mContext;
+    private MagnificationPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new MagnificationPreferenceController(mContext, "magnification");
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/PreferredShortcutTest.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Tests for {@link PreferredShortcut} */
+@RunWith(AndroidJUnit4.class)
+public class PreferredShortcutTest {
+
+    private static final String STUB_COMPONENT_NAME = new ComponentName("com.example",
+            "com.example.testActivity").flattenToString();
+    private static final int STUB_TYPE = 3;
+
+    @Test
+    public void fromString_matchMemberObject() {
+        final String preferredShortcutString = STUB_COMPONENT_NAME + ":" + STUB_TYPE;
+
+        final PreferredShortcut shortcut = PreferredShortcut.fromString(preferredShortcutString);
+
+        assertThat(shortcut.getComponentName()).isEqualTo(STUB_COMPONENT_NAME);
+        assertThat(shortcut.getType()).isEqualTo(STUB_TYPE);
+    }
+
+    @Test
+    public void toString_matchString() {
+        final PreferredShortcut shortcut = new PreferredShortcut(STUB_COMPONENT_NAME, STUB_TYPE);
+
+        final String preferredShortcutString = shortcut.toString();
+
+        assertThat(preferredShortcutString).isEqualTo(STUB_COMPONENT_NAME + ":" + STUB_TYPE);
+    }
+
+    @Test
+    public void assertSameObject() {
+        final String preferredShortcutString = STUB_COMPONENT_NAME + ":" + STUB_TYPE;
+        final PreferredShortcut targetShortcut = PreferredShortcut.fromString(
+                preferredShortcutString);
+
+        assertThat(targetShortcut).isEqualTo(new PreferredShortcut(STUB_COMPONENT_NAME, STUB_TYPE));
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/PreferredShortcutsTest.java

@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.android.internal.accessibility.AccessibilityShortcutController.COLOR_INVERSION_COMPONENT_NAME;
+import static com.android.internal.accessibility.AccessibilityShortcutController.DALTONIZER_COMPONENT_NAME;
+import static com.android.internal.accessibility.AccessibilityShortcutController.MAGNIFICATION_CONTROLLER_NAME;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.accessibility.common.ShortcutConstants;
+import com.android.internal.accessibility.util.ShortcutUtils;
+
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Set;
+
+/** Tests for {@link PreferredShortcuts} */
+@RunWith(AndroidJUnit4.class)
+public class PreferredShortcutsTest {
+
+    private static final String PACKAGE_NAME_1 = "com.test1.example";
+    private static final String CLASS_NAME_1 = PACKAGE_NAME_1 + ".test1";
+    private static final ComponentName COMPONENT_NAME_1 = new ComponentName(PACKAGE_NAME_1,
+            CLASS_NAME_1);
+    private static final String PACKAGE_NAME_2 = "com.test2.example";
+    private static final String CLASS_NAME_2 = PACKAGE_NAME_2 + ".test2";
+    private static final ComponentName COMPONENT_NAME_2 = new ComponentName(PACKAGE_NAME_2,
+            CLASS_NAME_2);
+    private static final ContentResolver sContentResolver =
+            ApplicationProvider.getApplicationContext().getContentResolver();
+
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+
+    @Before
+    public void setUp() {
+        clearShortcuts();
+    }
+
+    @AfterClass
+    public static void cleanUp() {
+        clearShortcuts();
+    }
+
+    @Test
+    public void retrieveUserShortcutType_fromSingleData_matchSavedType() {
+        final int type = 1;
+        final PreferredShortcut shortcut = new PreferredShortcut(COMPONENT_NAME_1.flattenToString(),
+                type);
+
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut);
+        final int retrieveType = PreferredShortcuts.retrieveUserShortcutType(mContext,
+                COMPONENT_NAME_1.flattenToString());
+
+        assertThat(retrieveType).isEqualTo(type);
+    }
+
+    @Test
+    public void retrieveUserShortcutType_fromMultiData_matchSavedType() {
+        final int type1 = 1;
+        final int type2 = 2;
+        final PreferredShortcut shortcut1 = new PreferredShortcut(
+                COMPONENT_NAME_1.flattenToString(), type1);
+        final PreferredShortcut shortcut2 = new PreferredShortcut(
+                COMPONENT_NAME_2.flattenToString(), type2);
+
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut1);
+        PreferredShortcuts.saveUserShortcutType(mContext, shortcut2);
+        final int retrieveType = PreferredShortcuts.retrieveUserShortcutType(mContext,
+                COMPONENT_NAME_1.flattenToString());
+
+        assertThat(retrieveType).isEqualTo(type1);
+    }
+
+    @Test
+    public void updatePreferredShortcutsFromSetting_magnificationWithTripleTapAndVolumeKeyShortcuts_preferredShortcutsMatches() {
+        ShortcutUtils.optInValueToSettings(mContext, ShortcutConstants.UserShortcutType.HARDWARE,
+                MAGNIFICATION_CONTROLLER_NAME);
+        Settings.Secure.putInt(
+                sContentResolver,
+                Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
+                AccessibilityUtil.State.ON);
+
+        PreferredShortcuts.updatePreferredShortcutsFromSettings(mContext,
+                Set.of(MAGNIFICATION_CONTROLLER_NAME));
+        int expectedShortcutTypes = ShortcutConstants.UserShortcutType.HARDWARE
+                | ShortcutConstants.UserShortcutType.TRIPLETAP;
+
+        assertThat(
+                PreferredShortcuts.retrieveUserShortcutType(
+                        mContext, MAGNIFICATION_CONTROLLER_NAME
+                ))
+                .isEqualTo(expectedShortcutTypes);
+    }
+
+    @Test
+    public void updatePreferredShortcutsFromSetting_magnificationWithNoActiveShortcuts_noChangesOnPreferredShortcutTypes() {
+        int expectedShortcutTypes = ShortcutConstants.UserShortcutType.HARDWARE
+                | ShortcutConstants.UserShortcutType.SOFTWARE;
+        PreferredShortcuts.saveUserShortcutType(mContext,
+                new PreferredShortcut(MAGNIFICATION_CONTROLLER_NAME, expectedShortcutTypes));
+
+
+        PreferredShortcuts.updatePreferredShortcutsFromSettings(mContext,
+                Set.of(MAGNIFICATION_CONTROLLER_NAME));
+
+
+        assertThat(
+                PreferredShortcuts.retrieveUserShortcutType(
+                        mContext, MAGNIFICATION_CONTROLLER_NAME
+                ))
+                .isEqualTo(expectedShortcutTypes);
+    }
+
+    @Test
+    public void updatePreferredShortcutsFromSetting_multipleComponents_preferredShortcutsMatches() {
+        String target1 = COLOR_INVERSION_COMPONENT_NAME.flattenToString();
+        String target2 = DALTONIZER_COMPONENT_NAME.flattenToString();
+
+        Settings.Secure.putString(sContentResolver,
+                Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS, target1);
+        Settings.Secure.putString(sContentResolver,
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE,
+                target1 + ShortcutConstants.SERVICES_SEPARATOR + target2);
+
+        int target1ShortcutTypes = ShortcutConstants.UserShortcutType.HARDWARE
+                | ShortcutConstants.UserShortcutType.SOFTWARE;
+        int target2ShortcutTypes = ShortcutConstants.UserShortcutType.HARDWARE;
+
+        PreferredShortcuts.updatePreferredShortcutsFromSettings(mContext, Set.of(target1, target2));
+
+        assertThat(
+                PreferredShortcuts.retrieveUserShortcutType(
+                        mContext, target1
+                ))
+                .isEqualTo(target1ShortcutTypes);
+        assertThat(
+                PreferredShortcuts.retrieveUserShortcutType(
+                        mContext, target2
+                ))
+                .isEqualTo(target2ShortcutTypes);
+    }
+
+    private static void clearShortcuts() {
+        Settings.Secure.putString(sContentResolver,
+                Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS, "");
+        Settings.Secure.putString(sContentResolver,
+                Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE, "");
+        Settings.Secure.putInt(
+                sContentResolver,
+                Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
+                AccessibilityUtil.State.OFF);
+        Settings.Secure.putInt(
+                sContentResolver,
+                Settings.Secure.ACCESSIBILITY_MAGNIFICATION_TWO_FINGER_TRIPLE_TAP_ENABLED,
+                AccessibilityUtil.State.OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/PrimaryMonoPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class PrimaryMonoPreferenceControllerTest {
+
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private Context mContext;
+    private SwitchPreference mPreference;
+    private PrimaryMonoPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mPreference = new SwitchPreference(mContext);
+        mController = new PrimaryMonoPreferenceController(mContext, "test_key");
+    }
+
+    @Test
+    public void getAvailabilityStatus_byDefault_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isChecked_enabledMonoAudio_shouldReturnTrue() {
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, ON, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledMonoAudio_shouldReturnFalse() {
+        Settings.System.putIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, OFF, UserHandle.USER_CURRENT);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableMonoAudio() {
+        mController.setChecked(true);
+
+        assertThat(Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, UNKNOWN, UserHandle.USER_CURRENT)).isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableMonoAudio() {
+        mController.setChecked(false);
+
+        assertThat(Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.MASTER_MONO, UNKNOWN, UserHandle.USER_CURRENT)).isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsIntensityPreferenceControllerTest {
+
+    private Context mContext;
+    private Resources mResources;
+    private ReduceBrightColorsIntensityPreferenceController mPreferenceController;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mResources = spy(mContext.getResources());
+        when(mContext.getResources()).thenReturn(mResources);
+        mPreferenceController = new ReduceBrightColorsIntensityPreferenceController(mContext,
+                "rbc_intensity");
+    }
+
+    @Test
+    public void isAvailable_configuredRbcAvailable_enabledRbc_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 1);
+        doReturn(true).when(mResources).getBoolean(
+                R.bool.config_reduceBrightColorsAvailable);
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcAvailable_disabledRbc_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 0);
+        doReturn(true).when(mResources).getBoolean(
+                R.bool.config_reduceBrightColorsAvailable);
+        assertThat(mPreferenceController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcUnavailable_enabledRbc_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 1);
+        doReturn(false).when(mResources).getBoolean(
+                R.bool.config_reduceBrightColorsAvailable);
+        assertThat(mPreferenceController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void onPreferenceChange_changesTemperature() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 1);
+        mPreferenceController.onPreferenceChange(/* preference= */ null, 20);
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(),
+                        Settings.Secure.REDUCE_BRIGHT_COLORS_LEVEL, 0))
+                .isEqualTo(80);
+    }
+
+    @Test
+    public void rangeOfSlider_staysWithinValidRange() {
+        when(mResources.getInteger(
+                R.integer.config_reduceBrightColorsStrengthMax)).thenReturn(90);
+        when(mResources.getInteger(
+                R.integer.config_reduceBrightColorsStrengthMin)).thenReturn(15);
+        assertThat(mPreferenceController.getMax()).isEqualTo(85);
+        assertThat(mPreferenceController.getMin()).isEqualTo(10);
+        assertThat(mPreferenceController.getMax() - mPreferenceController.getMin())
+                .isEqualTo(75);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsPersistencePreferenceControllerTest.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsPersistencePreferenceControllerTest {
+    private static final String PREF_KEY = "rbc_persist";
+    private static final String RBC_PERSIST =
+            Settings.Secure.REDUCE_BRIGHT_COLORS_PERSIST_ACROSS_REBOOTS;
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private static final int UNKNOWN = -1;
+
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private final SwitchPreference mPreference = new SwitchPreference(mContext);
+    private final ReduceBrightColorsPersistencePreferenceController mController =
+            new ReduceBrightColorsPersistencePreferenceController(mContext, PREF_KEY);
+
+    @Test
+    public void isChecked_enabledRbc_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isTrue();
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_disabledRbc_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(), RBC_PERSIST, OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mController.isChecked()).isFalse();
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_setTrue_shouldEnableRbc() {
+        mController.setChecked(true);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(ON);
+    }
+
+    @Test
+    public void setChecked_setFalse_shouldDisableRbc() {
+        mController.setChecked(false);
+
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(), RBC_PERSIST, UNKNOWN))
+                .isEqualTo(OFF);
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsPreferenceControllerTest.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.R;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ReduceBrightColorsPreferenceControllerTest {
+    private static final String PREF_KEY = "rbc_preference";
+
+    private Context mContext;
+    private Resources mResources;;
+    private ReduceBrightColorsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mResources = spy(mContext.getResources());
+        when(mContext.getResources()).thenReturn(mResources);
+        mController = new ReduceBrightColorsPreferenceController(mContext,
+                PREF_KEY);
+    }
+
+    @Test
+    public void getSummary_returnSummary() {
+        assertThat(mController.getSummary().toString().contains(
+                resourceString("reduce_bright_colors_preference_summary"))).isTrue();
+    }
+
+    @Ignore("ColorDisplayManager runs in a different thread which results in a race condition")
+    @Test
+    public void isChecked_reduceBrightColorsIsActivated_returnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 1);
+        assertThat(mController.isChecked()).isTrue();
+    }
+
+    @Ignore("ColorDisplayManager runs in a different thread which results in a race condition")
+    @Test
+    public void isChecked_reduceBrightColorsIsNotActivated_returnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 0);
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_configuredRbcAvailable_shouldReturnTrue() {
+        doReturn(true).when(mResources).getBoolean(
+                R.bool.config_reduceBrightColorsAvailable);
+        assertThat(mController.isAvailable()).isTrue();
+    }
+    @Test
+    public void isAvailable_configuredRbcUnAvailable_shouldReturnFalse() {
+        doReturn(false).when(mResources).getBoolean(
+                R.bool.config_reduceBrightColorsAvailable);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    private int resourceId(String type, String name) {
+        return mContext.getResources().getIdentifier(name, type, mContext.getPackageName());
+    }
+
+    private String resourceString(String name) {
+        return mContext.getResources().getString(resourceId("string", name));
+    }
+}

Settings/tests/unit/src/com/android/settings/accessibility/TEST_MAPPING

@@ -0,0 +1,7 @@
+{
+  "imports": [
+    {
+      "path": "packages/apps/Settings/src/com/android/settings/accessibility/TEST_MAPPING"
+    }
+  ]
+}

Settings/tests/unit/src/com/android/settings/accounts/RemoveUserFragmentTest.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accounts;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Modifier;
+
+@RunWith(AndroidJUnit4.class)
+public class RemoveUserFragmentTest {
+
+    @Test
+    public void testClassModifier_shouldBePublic() {
+        final int modifiers = RemoveUserFragment.class.getModifiers();
+
+        assertThat(Modifier.isPublic(modifiers)).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/accounts/SyncStateSwitchPreferenceTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.accounts;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.accounts.Account;
+import android.content.Context;
+import android.os.UserHandle;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class SyncStateSwitchPreferenceTest {
+
+    private Context mContext;
+    private SyncStateSwitchPreference mPreference;
+
+    @Before
+    public void setup() {
+        mContext = ApplicationProvider.getApplicationContext();
+    }
+
+    @Test
+    public void setup_validAuthority_shouldBeVisible() {
+        mPreference = new SyncStateSwitchPreference(mContext, null /* attrs */);
+
+        mPreference.setup(new Account("name", "type"), "authority", mContext.getPackageName(),
+                UserHandle.USER_CURRENT);
+
+        assertThat(mPreference.isVisible()).isTrue();
+    }
+
+    @Test
+    public void setup_emptyAuthority_shouldBeInvisible() {
+        mPreference = new SyncStateSwitchPreference(mContext, null /* attrs */);
+
+        mPreference.setup(new Account("name", "type"), null /* authority */,
+                mContext.getPackageName(), UserHandle.USER_CURRENT);
+
+        assertThat(mPreference.isVisible()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/AppLocaleUtilTest.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.ActivityManager;
+import android.app.LocaleConfig;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.os.LocaleList;
+import android.util.FeatureFlagUtils;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class AppLocaleUtilTest {
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private ActivityManager mActivityManager;
+    @Mock
+    private Resources mResources;
+    @Mock
+    private LocaleConfig mLocaleConfig;
+
+    private Context mContext;
+    private String mDisallowedPackage = "com.disallowed.package";
+    private String mAllowedPackage = "com.allowed.package";
+    private List<ResolveInfo> mListResolveInfo;
+    private ApplicationInfo mAppInfo;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mContext.getSystemService(ActivityManager.class)).thenReturn(mActivityManager);
+
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlagUtils.SETTINGS_APP_LOCALE_OPT_IN_ENABLED,
+                true);
+        setDisallowedPackageName(mDisallowedPackage);
+        mAppInfo = new ApplicationInfo();
+        mLocaleConfig = mock(LocaleConfig.class);
+    }
+
+    @After
+    public void tearDown() {
+        AppLocaleUtil.sLocaleConfig = null;
+    }
+
+    @Test
+    public void canDisplayLocaleUi_showUI() {
+        when(mLocaleConfig.getStatus()).thenReturn(LocaleConfig.STATUS_SUCCESS);
+        when(mLocaleConfig.getSupportedLocales()).thenReturn(LocaleList.forLanguageTags("en-US"));
+        AppLocaleUtil.sLocaleConfig = mLocaleConfig;
+        setActivityInfo(mAllowedPackage);
+        mAppInfo.packageName = mAllowedPackage;
+
+        assertTrue(AppLocaleUtil.canDisplayLocaleUi(mContext, mAppInfo, mListResolveInfo));
+    }
+
+    @Test
+    public void canDisplayLocaleUi_notShowUI_hasPlatformKey() {
+        setActivityInfo(mAllowedPackage);
+        mAppInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_SIGNED_WITH_PLATFORM_KEY;
+        mAppInfo.packageName = mAllowedPackage;
+
+        assertFalse(AppLocaleUtil.canDisplayLocaleUi(mContext, mAppInfo, mListResolveInfo));
+    }
+
+    @Test
+    public void canDisplayLocaleUi_notShowUI_noLauncherEntry() {
+        setActivityInfo("");
+
+        assertFalse(AppLocaleUtil.canDisplayLocaleUi(mContext, mAppInfo, mListResolveInfo));
+    }
+
+    @Test
+    public void canDisplayLocaleUi_notShowUI_matchDisallowedPackageList() {
+        setActivityInfo("");
+        mAppInfo.packageName = mDisallowedPackage;
+
+        assertFalse(AppLocaleUtil
+                .canDisplayLocaleUi(mContext, mAppInfo, mListResolveInfo));
+    }
+
+    @Test
+    public void getPackageLocales_getLocales_success() {
+        when(mLocaleConfig.getStatus()).thenReturn(LocaleConfig.STATUS_SUCCESS);
+        when(mLocaleConfig.getSupportedLocales()).thenReturn(LocaleList.forLanguageTags("en-US"));
+
+        LocaleList result = AppLocaleUtil.getPackageLocales(mLocaleConfig);
+
+        assertFalse(result.isEmpty());
+    }
+
+    @Test
+    public void getPackageLocales_getLocales_failed() {
+        when(mLocaleConfig.getStatus()).thenReturn(LocaleConfig.STATUS_PARSING_FAILED);
+
+        LocaleList result = AppLocaleUtil.getPackageLocales(mLocaleConfig);
+
+        assertNull(result);
+    }
+
+    private void setDisallowedPackageName(String packageName) {
+        when(mContext.getResources()).thenReturn(mResources);
+        when(mResources.getStringArray(anyInt())).thenReturn(new String[]{packageName});
+    }
+
+    private void setActivityInfo(String packageName) {
+        ResolveInfo resolveInfo = mock(ResolveInfo.class);
+        ActivityInfo activityInfo = mock(ActivityInfo.class);
+        activityInfo.packageName = packageName;
+        resolveInfo.activityInfo = activityInfo;
+        mListResolveInfo = new ArrayList<>();
+        mListResolveInfo.add(resolveInfo);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/AppStateAlarmsAndRemindersBridgeTest.java

@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+
+import android.Manifest;
+import android.app.AlarmManager;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.os.PowerExemptionManager;
+import android.os.UserHandle;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import libcore.util.EmptyArray;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class AppStateAlarmsAndRemindersBridgeTest {
+    private static final String TEST_PACKAGE = "com.example.test.1";
+    private static final int TEST_UID = 12345;
+
+    @Mock
+    private AlarmManager mAlarmManager;
+    @Mock
+    private PowerExemptionManager mPowerExemptionManager;
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+
+    @Before
+    public void initMocks() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void alarmsAndRemindersState_shouldBeVisible() {
+        boolean seaPermissionRequested;
+        boolean ueaPermissionRequested;
+        boolean seaPermissionGranted;
+        boolean allowListed;
+
+        for (int i = 0; i < (1 << 4); i++) {
+            seaPermissionRequested = (i & 1) != 0;
+            ueaPermissionRequested = (i & (1 << 1)) != 0;
+            seaPermissionGranted = (i & (1 << 2)) != 0;
+            allowListed = (i & (1 << 3)) != 0;
+
+            final boolean visible = new AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState(
+                    seaPermissionRequested,
+                    ueaPermissionRequested,
+                    seaPermissionGranted,
+                    allowListed).shouldBeVisible();
+
+            assertWithMessage("Wrong return value " + visible
+                    + " for {seaPermissionRequested = " + seaPermissionRequested
+                    + ", ueaPermissionRequested = " + ueaPermissionRequested
+                    + ", seaPermissionGranted = " + seaPermissionGranted
+                    + ", allowListed = " + allowListed + "}")
+                    .that(visible)
+                    .isEqualTo(seaPermissionRequested && !ueaPermissionRequested && !allowListed);
+        }
+    }
+
+    @Test
+    public void alarmsAndRemindersState_isAllowed() {
+        boolean seaPermissionRequested;
+        boolean ueaPermissionRequested;
+        boolean seaPermissionGranted;
+        boolean allowListed;
+
+        for (int i = 0; i < (1 << 4); i++) {
+            seaPermissionRequested = (i & 1) != 0;
+            ueaPermissionRequested = (i & (1 << 1)) != 0;
+            seaPermissionGranted = (i & (1 << 2)) != 0;
+            allowListed = (i & (1 << 3)) != 0;
+
+            final boolean allowed = new AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState(
+                    seaPermissionRequested,
+                    ueaPermissionRequested,
+                    seaPermissionGranted,
+                    allowListed).isAllowed();
+
+            assertWithMessage("Wrong return value " + allowed
+                    + " for {seaPermissionRequested = " + seaPermissionRequested
+                    + ", ueaPermissionRequested = " + ueaPermissionRequested
+                    + ", seaPermissionGranted = " + seaPermissionGranted
+                    + ", allowListed = " + allowListed + "}")
+                    .that(allowed)
+                    .isEqualTo(seaPermissionGranted || ueaPermissionRequested || allowListed);
+        }
+    }
+
+    private PackageInfo createPackageInfoWithPermissions(String... requestedPermissions) {
+        final PackageInfo info = new PackageInfo();
+        info.requestedPermissions = requestedPermissions;
+        return info;
+    }
+
+    @Test
+    public void createPermissionState_SeaGrantedNoUeaNoAllowlist() throws Exception {
+        AppStateAlarmsAndRemindersBridge bridge = new AppStateAlarmsAndRemindersBridge(mContext,
+                null, null);
+        bridge.mAlarmManager = mAlarmManager;
+        bridge.mPackageManager = mPackageManager;
+        bridge.mPowerExemptionManager = mPowerExemptionManager;
+
+        doReturn(true).when(mAlarmManager).hasScheduleExactAlarm(TEST_PACKAGE,
+                UserHandle.getUserId(TEST_UID));
+        doReturn(createPackageInfoWithPermissions(Manifest.permission.SCHEDULE_EXACT_ALARM))
+                .when(mPackageManager).getPackageInfoAsUser(eq(TEST_PACKAGE), anyInt(), anyInt());
+        doReturn(false).when(mPowerExemptionManager).isAllowListed(TEST_PACKAGE, true);
+
+        AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState state =
+                bridge.createPermissionState(TEST_PACKAGE, TEST_UID);
+        assertThat(state.shouldBeVisible()).isTrue();
+        assertThat(state.isAllowed()).isTrue();
+    }
+
+    @Test
+    public void createPermissionState_requestsBothSeaDeniedNoAllowlist() throws Exception {
+        AppStateAlarmsAndRemindersBridge bridge = new AppStateAlarmsAndRemindersBridge(mContext,
+                null, null);
+        bridge.mAlarmManager = mAlarmManager;
+        bridge.mPackageManager = mPackageManager;
+        bridge.mPowerExemptionManager = mPowerExemptionManager;
+
+        doReturn(false).when(mAlarmManager).hasScheduleExactAlarm(TEST_PACKAGE,
+                UserHandle.getUserId(TEST_UID));
+        doReturn(createPackageInfoWithPermissions(
+                Manifest.permission.SCHEDULE_EXACT_ALARM,
+                Manifest.permission.USE_EXACT_ALARM))
+                .when(mPackageManager).getPackageInfoAsUser(eq(TEST_PACKAGE), anyInt(), anyInt());
+        doReturn(false).when(mPowerExemptionManager).isAllowListed(TEST_PACKAGE, true);
+
+        AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState state =
+                bridge.createPermissionState(TEST_PACKAGE, TEST_UID);
+        assertThat(state.shouldBeVisible()).isFalse();
+        assertThat(state.isAllowed()).isTrue();
+    }
+
+    @Test
+    public void createPermissionState_requestsNoneNoAllowlist() throws Exception {
+        AppStateAlarmsAndRemindersBridge bridge = new AppStateAlarmsAndRemindersBridge(mContext,
+                null, null);
+        bridge.mAlarmManager = mAlarmManager;
+        bridge.mPackageManager = mPackageManager;
+        bridge.mPowerExemptionManager = mPowerExemptionManager;
+
+        doReturn(false).when(mAlarmManager).hasScheduleExactAlarm(TEST_PACKAGE,
+                UserHandle.getUserId(TEST_UID));
+        doReturn(createPackageInfoWithPermissions(EmptyArray.STRING))
+                .when(mPackageManager).getPackageInfoAsUser(eq(TEST_PACKAGE), anyInt(), anyInt());
+        doReturn(false).when(mPowerExemptionManager).isAllowListed(TEST_PACKAGE, true);
+
+        AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState state =
+                bridge.createPermissionState(TEST_PACKAGE, TEST_UID);
+        assertThat(state.shouldBeVisible()).isFalse();
+        assertThat(state.isAllowed()).isFalse();
+    }
+
+    @Test
+    public void createPermissionState_requestsOnlyUeaNoAllowlist() throws Exception {
+        AppStateAlarmsAndRemindersBridge bridge = new AppStateAlarmsAndRemindersBridge(mContext,
+                null, null);
+        bridge.mAlarmManager = mAlarmManager;
+        bridge.mPackageManager = mPackageManager;
+        bridge.mPowerExemptionManager = mPowerExemptionManager;
+
+        doReturn(false).when(mAlarmManager).hasScheduleExactAlarm(TEST_PACKAGE,
+                UserHandle.getUserId(TEST_UID));
+        doReturn(createPackageInfoWithPermissions(Manifest.permission.USE_EXACT_ALARM))
+                .when(mPackageManager).getPackageInfoAsUser(eq(TEST_PACKAGE), anyInt(), anyInt());
+        doReturn(false).when(mPowerExemptionManager).isAllowListed(TEST_PACKAGE, true);
+
+        AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState state =
+                bridge.createPermissionState(TEST_PACKAGE, TEST_UID);
+        assertThat(state.shouldBeVisible()).isFalse();
+        assertThat(state.isAllowed()).isTrue();
+    }
+
+    @Test
+    public void createPermissionState_requestsNoneButAllowlisted() throws Exception {
+        AppStateAlarmsAndRemindersBridge bridge = new AppStateAlarmsAndRemindersBridge(mContext,
+                null, null);
+        bridge.mAlarmManager = mAlarmManager;
+        bridge.mPackageManager = mPackageManager;
+        bridge.mPowerExemptionManager = mPowerExemptionManager;
+
+        doReturn(false).when(mAlarmManager).hasScheduleExactAlarm(TEST_PACKAGE,
+                UserHandle.getUserId(TEST_UID));
+        doReturn(createPackageInfoWithPermissions(EmptyArray.STRING))
+                .when(mPackageManager).getPackageInfoAsUser(eq(TEST_PACKAGE), anyInt(), anyInt());
+        doReturn(true).when(mPowerExemptionManager).isAllowListed(TEST_PACKAGE, true);
+
+        AppStateAlarmsAndRemindersBridge.AlarmsAndRemindersState state =
+                bridge.createPermissionState(TEST_PACKAGE, TEST_UID);
+        assertThat(state.shouldBeVisible()).isFalse();
+        assertThat(state.isAllowed()).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/AppStateAppBatteryUsageBridgeTest.java

@@ -0,0 +1,78 @@
+package com.android.settings.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.fuelgauge.PowerAllowlistBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public final class AppStateAppBatteryUsageBridgeTest {
+  private static final String TEST_PACKAGE_1 = "com.example.test.pkg1";
+  private static final String TEST_PACKAGE_2 = "com.example.test.pkg2";
+  private static final int UID_1 = 12345;
+  private static final int UID_2 = 7654321;
+
+  @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+  private Context mContext;
+  @Mock
+  private AppOpsManager mAppOpsManager;
+  @Mock
+  private PowerAllowlistBackend mPowerAllowlistBackend;
+
+  @Before
+  public void initMocks() {
+      MockitoAnnotations.initMocks(this);
+  }
+
+  @Test
+  public void updateExtraInfo_updatesRestricted() {
+    when(mPowerAllowlistBackend.isAllowlisted(TEST_PACKAGE_1, UID_1)).thenReturn(false);
+    when(mAppOpsManager.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND,
+            UID_1, TEST_PACKAGE_1)).thenReturn(AppOpsManager.MODE_IGNORED);
+    AppStateAppBatteryUsageBridge bridge =
+            new AppStateAppBatteryUsageBridge(mContext, null, null);
+    bridge.mAppOpsManager = mAppOpsManager;
+    bridge.mPowerAllowlistBackend = mPowerAllowlistBackend;
+    AppEntry entry = new AppEntry(mContext, null, 0);
+
+    bridge.updateExtraInfo(entry, TEST_PACKAGE_1, UID_1);
+
+    assertThat(entry.extraInfo.getClass())
+            .isEqualTo(AppStateAppBatteryUsageBridge.AppBatteryUsageDetails.class);
+    assertThat(AppStateAppBatteryUsageBridge.getAppBatteryUsageDetailsMode(entry))
+            .isEqualTo(AppStateAppBatteryUsageBridge.MODE_RESTRICTED);
+  }
+
+  @Test
+  public void updateExtraInfo_updatesUnrestricted() {
+    when(mPowerAllowlistBackend.isAllowlisted(TEST_PACKAGE_1, UID_1)).thenReturn(true);
+    when(mAppOpsManager.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND,
+            UID_2, TEST_PACKAGE_2)).thenReturn(AppOpsManager.MODE_ALLOWED);
+    AppStateAppBatteryUsageBridge bridge =
+            new AppStateAppBatteryUsageBridge(mContext, null, null);
+    bridge.mAppOpsManager = mAppOpsManager;
+    bridge.mPowerAllowlistBackend = mPowerAllowlistBackend;
+    AppEntry entry = new AppEntry(mContext, null, 0);
+
+    bridge.updateExtraInfo(entry, TEST_PACKAGE_2, UID_2);
+
+    assertThat(entry.extraInfo.getClass())
+            .isEqualTo(AppStateAppBatteryUsageBridge.AppBatteryUsageDetails.class);
+    assertThat(AppStateAppBatteryUsageBridge.getAppBatteryUsageDetailsMode(entry))
+            .isEqualTo(AppStateAppBatteryUsageBridge.MODE_UNRESTRICTED);
+  }
+}

Settings/tests/unit/src/com/android/settings/applications/AppStateInstallAppsBridgeTest.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.AppOpsManager;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class AppStateInstallAppsBridgeTest {
+
+    @Test
+    public void testInstallAppsStateCanInstallApps() {
+        AppStateInstallAppsBridge.InstallAppsState appState =
+                new AppStateInstallAppsBridge.InstallAppsState();
+        assertThat(appState.canInstallApps()).isFalse();
+
+        appState.permissionRequested = true;
+        assertThat(appState.canInstallApps()).isFalse();
+
+        appState.appOpMode = AppOpsManager.MODE_ALLOWED;
+        assertThat(appState.canInstallApps()).isTrue();
+
+        appState.appOpMode = AppOpsManager.MODE_ERRORED;
+        assertThat(appState.canInstallApps()).isFalse();
+    }
+
+    @Test
+    public void testInstallAppsStateIsPotentialAppSource() {
+        AppStateInstallAppsBridge.InstallAppsState appState =
+                new AppStateInstallAppsBridge.InstallAppsState();
+        assertThat(appState.isPotentialAppSource()).isFalse();
+
+        appState.appOpMode = AppOpsManager.MODE_ERRORED;
+        assertThat(appState.isPotentialAppSource()).isTrue();
+
+        appState.permissionRequested = true;
+        appState.appOpMode = AppOpsManager.MODE_DEFAULT;
+        assertThat(appState.isPotentialAppSource()).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/EnterpriseDefaultAppsTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.R;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class EnterpriseDefaultAppsTest {
+    @Test
+    public void testNumberOfIntentsCorrelateWithUI() {
+        final int[] concatenation_templates =
+                new int[]{0 /* no need for single app name */,
+                        R.string.app_names_concatenation_template_2,
+                        R.string.app_names_concatenation_template_3};
+        for (EnterpriseDefaultApps app : EnterpriseDefaultApps.values()) {
+            assertTrue("Number of intents should be limited by number of apps the UI can show",
+                    app.getIntents().length <= concatenation_templates.length);
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/HibernatedAppsPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications;
+
+import static android.provider.DeviceConfig.NAMESPACE_APP_HIBERNATION;
+
+import static com.android.settings.Utils.PROPERTY_APP_HIBERNATION_ENABLED;
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.usage.IUsageStatsManager;
+import android.app.usage.UsageStatsManager;
+import android.apphibernation.AppHibernationManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Looper;
+import android.provider.DeviceConfig;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class HibernatedAppsPreferenceControllerTest {
+
+    @Mock
+    PackageManager mPackageManager;
+    @Mock
+    AppHibernationManager mAppHibernationManager;
+    @Mock
+    IUsageStatsManager mIUsageStatsManager;
+    PreferenceScreen mPreferenceScreen;
+    private static final String KEY = "key";
+    private Context mContext;
+    private HibernatedAppsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        MockitoAnnotations.initMocks(this);
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_APP_HIBERNATION_ENABLED,
+                "true", false);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mContext.getSystemService(AppHibernationManager.class))
+                .thenReturn(mAppHibernationManager);
+        when(mContext.getSystemService(UsageStatsManager.class)).thenReturn(
+                new UsageStatsManager(mContext, mIUsageStatsManager));
+
+        PreferenceManager manager = new PreferenceManager(mContext);
+        mPreferenceScreen = manager.createPreferenceScreen(mContext);
+        Preference preference = mock(Preference.class);
+        when(preference.getKey()).thenReturn(KEY);
+        mPreferenceScreen.addPreference(preference);
+
+        mController = new HibernatedAppsPreferenceController(mContext, KEY,
+                command -> command.run());
+    }
+
+    @Test
+    public void getAvailabilityStatus_featureDisabled_shouldNotReturnAvailable() {
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_APP_HIBERNATION_ENABLED,
+                "false", true);
+
+        assertThat((mController).getAvailabilityStatus()).isNotEqualTo(AVAILABLE);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/appcompat/UserAspectRatioManagerTest.java

@@ -0,0 +1,474 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.appcompat;
+
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_16_9;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_3_2;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_4_3;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_APP_DEFAULT;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_DISPLAY_SIZE;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_FULLSCREEN;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_SPLIT_SCREEN;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_UNSET;
+import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;
+import static android.view.WindowManager.PROPERTY_COMPAT_ALLOW_ORIENTATION_OVERRIDE;
+import static android.view.WindowManager.PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_FULLSCREEN_OVERRIDE;
+import static android.view.WindowManager.PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_OVERRIDE;
+
+import static com.android.settings.applications.appcompat.UserAspectRatioManager.KEY_ENABLE_USER_ASPECT_RATIO_FULLSCREEN;
+import static com.android.settings.applications.appcompat.UserAspectRatioManager.KEY_ENABLE_USER_ASPECT_RATIO_SETTINGS;
+import static com.android.window.flags.Flags.FLAG_USER_MIN_ASPECT_RATIO_APP_DEFAULT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageManager;
+import android.content.pm.LauncherActivityInfo;
+import android.content.pm.LauncherApps;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.os.RemoteException;
+import android.platform.test.flag.junit.SetFlagsRule;
+import android.provider.DeviceConfig;
+
+import androidx.annotation.NonNull;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.R;
+import com.android.settings.testutils.ResourcesUtils;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.List;
+
+/**
+ * To run this test: atest SettingsUnitTests:UserAspectRatioManagerTest
+ */
+@RunWith(AndroidJUnit4.class)
+public class UserAspectRatioManagerTest {
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);
+    private final String mPackageName = "com.test.mypackage";
+    private Context mContext;
+    private Resources mResources;
+    private FakeUserAspectRatioManager mUtils;
+    private String mOriginalSettingsFlag;
+    private String mOriginalFullscreenFlag;
+    private IPackageManager mIPm;
+    private PackageManager mPm;
+    private List<LauncherActivityInfo> mLauncherActivities;
+
+    @Before
+    public void setUp() throws RemoteException, PackageManager.NameNotFoundException {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mResources = mock(Resources.class);
+        final LauncherApps launcherApps = mock(LauncherApps.class);
+        mLauncherActivities = mock(List.class);
+        mIPm = mock(IPackageManager.class);
+        mPm = mock(PackageManager.class);
+        when(mContext.getPackageManager()).thenReturn(mPm);
+
+        when(mContext.getResources()).thenReturn(mResources);
+        when(mContext.getSystemService(LauncherApps.class)).thenReturn(launcherApps);
+        enableAllDefaultAspectRatioOptions();
+        mSetFlagsRule.disableFlags(FLAG_USER_MIN_ASPECT_RATIO_APP_DEFAULT);
+
+        mUtils = new FakeUserAspectRatioManager(mContext, mIPm);
+
+        doReturn(mLauncherActivities).when(launcherApps).getActivityList(anyString(), any());
+
+        mOriginalSettingsFlag = DeviceConfig.getProperty(
+                DeviceConfig.NAMESPACE_WINDOW_MANAGER, KEY_ENABLE_USER_ASPECT_RATIO_SETTINGS);
+        setAspectRatioSettingsBuildTimeFlagEnabled(true);
+        setAspectRatioSettingsDeviceConfigEnabled("true" /* enabled */, false /* makeDefault */);
+
+        mOriginalFullscreenFlag = DeviceConfig.getProperty(
+                DeviceConfig.NAMESPACE_WINDOW_MANAGER, KEY_ENABLE_USER_ASPECT_RATIO_FULLSCREEN);
+        setAspectRatioFullscreenBuildTimeFlagEnabled(true);
+        setAspectRatioFullscreenDeviceConfigEnabled("true" /* enabled */, false /* makeDefault */);
+
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_FULLSCREEN_OVERRIDE, true);
+        mockProperty(PROPERTY_COMPAT_ALLOW_ORIENTATION_OVERRIDE, true);
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_OVERRIDE, true);
+    }
+
+    @After
+    public void tearDown() {
+        setAspectRatioSettingsDeviceConfigEnabled(mOriginalSettingsFlag, true /* makeDefault */);
+        setAspectRatioFullscreenDeviceConfigEnabled(mOriginalFullscreenFlag,
+                true /* makeDefault */);
+    }
+
+    @Test
+    public void testCanDisplayAspectRatioUi() {
+        final ApplicationInfo canDisplay = new ApplicationInfo();
+        canDisplay.packageName = mPackageName;
+
+        doReturn(false).when(mLauncherActivities).isEmpty();
+        assertTrue(mUtils.canDisplayAspectRatioUi(canDisplay));
+
+        final ApplicationInfo noLauncherEntry = new ApplicationInfo();
+        noLauncherEntry.packageName = mPackageName;
+
+        doReturn(true).when(mLauncherActivities).isEmpty();
+        assertFalse(mUtils.canDisplayAspectRatioUi(noLauncherEntry));
+    }
+
+    @Test
+    public void testCanDisplayAspectRatioUi_hasLauncher_propertyFalse_returnFalse()
+            throws PackageManager.NameNotFoundException {
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_OVERRIDE, false);
+        doReturn(false).when(mLauncherActivities).isEmpty();
+
+        final ApplicationInfo canDisplay = new ApplicationInfo();
+        canDisplay.packageName = mPackageName;
+
+        assertFalse(mUtils.canDisplayAspectRatioUi(canDisplay));
+    }
+
+    @Test
+    public void testCanDisplayAspectRatioUi_noLauncher_propertyTrue_returnFalse()
+            throws PackageManager.NameNotFoundException {
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_OVERRIDE, true);
+        doReturn(true).when(mLauncherActivities).isEmpty();
+
+        final ApplicationInfo noLauncherEntry = new ApplicationInfo();
+        noLauncherEntry.packageName = mPackageName;
+
+        assertFalse(mUtils.canDisplayAspectRatioUi(noLauncherEntry));
+    }
+
+    @Test
+    public void testIsFeatureEnabled() {
+        assertTrue(UserAspectRatioManager.isFeatureEnabled(mContext));
+    }
+
+    @Test
+    public void testIsFeatureEnabled_disabledBuildTimeFlag_returnFalse() {
+        setAspectRatioSettingsBuildTimeFlagEnabled(false);
+        assertFalse(UserAspectRatioManager.isFeatureEnabled(mContext));
+    }
+
+    @Test
+    public void testIsFeatureEnabled_disabledRuntimeFlag_returnFalse() {
+        setAspectRatioSettingsDeviceConfigEnabled("false" /* enabled */, false /* makeDefault */);
+        assertFalse(UserAspectRatioManager.isFeatureEnabled(mContext));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled() {
+        assertTrue(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled_settingsDisabled_returnFalse() {
+        setAspectRatioFullscreenBuildTimeFlagEnabled(false);
+        assertFalse(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled_disabledBuildTimeFlag_returnFalse() {
+        setAspectRatioFullscreenBuildTimeFlagEnabled(false);
+        assertFalse(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled_disabledRuntimeFlag_returnFalse() {
+        setAspectRatioFullscreenDeviceConfigEnabled("false" /* enabled */, false /*makeDefault */);
+        assertFalse(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled_propertyFalse_returnsFalse()
+            throws PackageManager.NameNotFoundException {
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_FULLSCREEN_OVERRIDE, false);
+        assertFalse(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testIsFullscreenOptionEnabled_propertyTrue_configDisabled_returnsFalse()
+            throws PackageManager.NameNotFoundException {
+        mockProperty(PROPERTY_COMPAT_ALLOW_USER_ASPECT_RATIO_FULLSCREEN_OVERRIDE, true);
+        setAspectRatioFullscreenDeviceConfigEnabled("false" /* enabled */, false /*makeDefault */);
+
+        assertFalse(mUtils.isFullscreenOptionEnabled(mPackageName));
+    }
+
+    @Test
+    public void testHasAspectRatioOption_fullscreen() {
+        assertTrue(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_FULLSCREEN,
+                mPackageName));
+        assertTrue(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_SPLIT_SCREEN,
+                mPackageName));
+
+        // Only fullscreen option should be disabled
+        when(mUtils.isFullscreenOptionEnabled(mPackageName)).thenReturn(false);
+        assertFalse(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_FULLSCREEN,
+                mPackageName));
+        assertTrue(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_SPLIT_SCREEN,
+                mPackageName));
+    }
+
+    private String getUserMinAspectRatioEntry(int aspectRatio, String packageName) {
+        return mUtils.getUserMinAspectRatioEntry(aspectRatio, packageName, mContext.getUserId());
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioEntry() {
+        final Context context = ApplicationProvider.getApplicationContext();
+        // R.string.user_aspect_ratio_app_default
+        final String appDefault = ResourcesUtils.getResourcesString(context,
+                "user_aspect_ratio_app_default");
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_UNSET, mPackageName))
+                .isEqualTo(appDefault);
+        // should always return default if value does not correspond to anything
+        assertThat(getUserMinAspectRatioEntry(-1, mPackageName))
+                .isEqualTo(appDefault);
+        // R.string.user_aspect_ratio_half_screen
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_SPLIT_SCREEN,
+                mPackageName)).isEqualTo(ResourcesUtils.getResourcesString(context,
+                        "user_aspect_ratio_half_screen"));
+        // R.string.user_aspect_ratio_display_size
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_DISPLAY_SIZE,
+                mPackageName)).isEqualTo(ResourcesUtils.getResourcesString(context,
+                        "user_aspect_ratio_device_size"));
+        // R.string.user_aspect_ratio_16_9
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_16_9, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(context, "user_aspect_ratio_16_9"));
+        // R.string.user_aspect_ratio_4_3
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_4_3, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(context, "user_aspect_ratio_4_3"));
+        // R.string.user_aspect_ratio_3_2
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_3_2, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(context, "user_aspect_ratio_3_2"));
+        // R.string.user_aspect_ratio_fullscreen
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_FULLSCREEN,
+                mPackageName)).isEqualTo(ResourcesUtils.getResourcesString(context,
+                "user_aspect_ratio_fullscreen"));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioEntry_fullscreenDisabled_shouldReturnDefault() {
+        setAspectRatioFullscreenBuildTimeFlagEnabled(false);
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_FULLSCREEN,
+                mPackageName)).isEqualTo(ResourcesUtils.getResourcesString(
+                        ApplicationProvider.getApplicationContext(),
+                        "user_aspect_ratio_app_default"));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioEntry_nonDefaultString_shouldReturnNewString() {
+        final String newOptionName = "new_option_name";
+        when(mResources.getIntArray(anyInt())).thenReturn(new int[] {USER_MIN_ASPECT_RATIO_UNSET});
+        when(mResources.getStringArray(anyInt())).thenReturn(new String[] {newOptionName});
+
+        mUtils = new FakeUserAspectRatioManager(mContext, mIPm);
+
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_UNSET, mPackageName))
+                .isEqualTo(newOptionName);
+    }
+
+
+    @Test
+    public void testGetUserMinAspectRatioMapping_noAppDefault_shouldThrowException() {
+        when(mResources.getIntArray(anyInt())).thenReturn(new int[] {USER_MIN_ASPECT_RATIO_4_3});
+        when(mResources.getStringArray(anyInt())).thenReturn(new String[] {"4:3"});
+
+        assertThrows(RuntimeException.class, () -> new FakeUserAspectRatioManager(mContext, mIPm));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioMapping_configLengthMismatch_shouldThrowException() {
+        when(mResources.getIntArray(anyInt())).thenReturn(new int[] {
+                USER_MIN_ASPECT_RATIO_UNSET,
+                USER_MIN_ASPECT_RATIO_4_3});
+        when(mResources.getStringArray(anyInt())).thenReturn(new String[] {"4:3"});
+
+        assertThrows(RuntimeException.class, () -> new FakeUserAspectRatioManager(mContext, mIPm));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioMapping_appDefaultFlagEnabled() {
+        // Flag is disabled by default, app default not loaded
+        assertFalse(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_APP_DEFAULT, mPackageName));
+
+        mSetFlagsRule.enableFlags(FLAG_USER_MIN_ASPECT_RATIO_APP_DEFAULT);
+        mUtils = new FakeUserAspectRatioManager(mContext, mIPm);
+
+        assertTrue(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_APP_DEFAULT, mPackageName));
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_APP_DEFAULT, mPackageName))
+                .isEqualTo(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_UNSET, mPackageName));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioEntry_enabledFullscreenOverride_returnsFullscreen() {
+        setIsOverrideToFullscreenEnabled(true);
+        // Fullscreen option is pre-selected
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_UNSET, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        ApplicationProvider.getApplicationContext(),
+                        "user_aspect_ratio_fullscreen"));
+
+        // App default exists
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_APP_DEFAULT, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        ApplicationProvider.getApplicationContext(),
+                        "user_aspect_ratio_app_default"));
+    }
+
+    @Test
+    public void testGetUserMinAspectRatioEntry_disabledFullscreenOverride_returnsUnchanged() {
+        setIsOverrideToFullscreenEnabled(false);
+        // Fullscreen option is not pre-selected
+        assertThat(getUserMinAspectRatioEntry(USER_MIN_ASPECT_RATIO_UNSET, mPackageName))
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        ApplicationProvider.getApplicationContext(),
+                        "user_aspect_ratio_app_default"));
+    }
+
+    @Test
+    public void testIsOverrideToFullscreenEnabled_returnsTrue()
+            throws PackageManager.NameNotFoundException {
+        setIsOverrideToFullscreenEnabled(true);
+        assertTrue(mUtils.isOverrideToFullscreenEnabled(mPackageName, mContext.getUserId()));
+
+        mockProperty(PROPERTY_COMPAT_ALLOW_ORIENTATION_OVERRIDE, true);
+        assertTrue(mUtils.isOverrideToFullscreenEnabled(mPackageName, mContext.getUserId()));
+    }
+
+    @Test
+    public void testIsOverrideToFullscreenEnabled_optOut_returnsFalse()
+            throws PackageManager.NameNotFoundException {
+        setIsOverrideToFullscreenEnabled(true);
+        mockProperty(PROPERTY_COMPAT_ALLOW_ORIENTATION_OVERRIDE, false);
+        assertFalse(mUtils.isOverrideToFullscreenEnabled(mPackageName, mContext.getUserId()));
+    }
+
+    @Test
+    public void testIsOverrideToFullscreenEnabled_flagDisabled_returnsFalse() {
+        mUtils.setFullscreenCompatChange(true);
+        assertFalse(mUtils.isOverrideToFullscreenEnabled(mPackageName, mContext.getUserId()));
+    }
+
+    @Test
+    public void testIsOverrideToFullscreenEnabled_optionDisabled_returnsFalse() {
+        mUtils.setFullscreenCompatChange(true);
+        when(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_FULLSCREEN, mPackageName))
+                .thenReturn(false);
+        assertFalse(mUtils.isOverrideToFullscreenEnabled(mPackageName, mContext.getUserId()));
+    }
+
+    private void setIsOverrideToFullscreenEnabled(boolean enabled) {
+        if (enabled) {
+            mSetFlagsRule.enableFlags(FLAG_USER_MIN_ASPECT_RATIO_APP_DEFAULT);
+            mUtils = new FakeUserAspectRatioManager(mContext, mIPm);
+        }
+        mUtils.setFullscreenCompatChange(enabled);
+        when(mUtils.hasAspectRatioOption(USER_MIN_ASPECT_RATIO_FULLSCREEN, mPackageName))
+                .thenReturn(enabled);
+    }
+
+    private void enableAllDefaultAspectRatioOptions() {
+        final int[] aspectRatioOptions = new int[] {
+                USER_MIN_ASPECT_RATIO_UNSET,
+                USER_MIN_ASPECT_RATIO_SPLIT_SCREEN,
+                USER_MIN_ASPECT_RATIO_DISPLAY_SIZE,
+                USER_MIN_ASPECT_RATIO_4_3,
+                USER_MIN_ASPECT_RATIO_16_9,
+                USER_MIN_ASPECT_RATIO_3_2,
+                USER_MIN_ASPECT_RATIO_FULLSCREEN};
+        when(mResources.getIntArray(anyInt())).thenReturn(aspectRatioOptions);
+        // String array config overlay with @null values so default strings should be used
+        when(mResources.getStringArray(anyInt())).thenReturn(new String[aspectRatioOptions.length]);
+
+        final Context context = ApplicationProvider.getApplicationContext();
+        mockString(context, "user_aspect_ratio_app_default");
+        mockString(context, "user_aspect_ratio_half_screen");
+        mockString(context, "user_aspect_ratio_device_size");
+        mockString(context, "user_aspect_ratio_4_3");
+        mockString(context, "user_aspect_ratio_16_9");
+        mockString(context, "user_aspect_ratio_3_2");
+        mockString(context, "user_aspect_ratio_fullscreen");
+    }
+
+    private void mockString(Context context, String stringResName) {
+        final int resId = ResourcesUtils.getResourcesId(context, "string", stringResName);
+        final String string = ResourcesUtils.getResourcesString(context, stringResName);
+        when(mContext.getString(resId)).thenReturn(string);
+    }
+
+    private void mockProperty(String propertyName, boolean value)
+            throws PackageManager.NameNotFoundException {
+        PackageManager.Property prop = new PackageManager.Property(
+                propertyName, value, mPackageName, "" /* className */);
+        when(mPm.getProperty(propertyName, mPackageName)).thenReturn(prop);
+    }
+
+    private void setAspectRatioSettingsBuildTimeFlagEnabled(boolean enabled) {
+        when(mResources.getBoolean(R.bool.config_appCompatUserAppAspectRatioSettingsIsEnabled))
+                .thenReturn(enabled);
+    }
+
+    private void setAspectRatioSettingsDeviceConfigEnabled(String enabled, boolean makeDefault) {
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_WINDOW_MANAGER,
+                KEY_ENABLE_USER_ASPECT_RATIO_SETTINGS, enabled, makeDefault);
+    }
+
+    private void setAspectRatioFullscreenBuildTimeFlagEnabled(boolean enabled) {
+        when(mResources.getBoolean(R.bool.config_appCompatUserAppAspectRatioFullscreenIsEnabled))
+                .thenReturn(enabled);
+    }
+
+    private void setAspectRatioFullscreenDeviceConfigEnabled(String enabled, boolean makeDefault) {
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_WINDOW_MANAGER,
+                KEY_ENABLE_USER_ASPECT_RATIO_FULLSCREEN, enabled, makeDefault);
+    }
+
+    private static class FakeUserAspectRatioManager extends UserAspectRatioManager {
+        private boolean mFullscreenCompatChange = false;
+
+        private FakeUserAspectRatioManager(@NonNull Context context, IPackageManager pm) {
+            super(context, pm);
+        }
+
+        @Override
+        boolean isFullscreenCompatChangeEnabled(String pkgName, int userId) {
+            return mFullscreenCompatChange;
+        }
+
+        void setFullscreenCompatChange(boolean enabled) {
+            mFullscreenCompatChange = enabled;
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/appinfo/AppLocalePreferenceControllerTest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.appinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class AppLocalePreferenceControllerTest {
+
+    private Context mContext;
+    private boolean mCanDisplayLocaleUi;
+    private AppLocalePreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new AppLocalePreferenceController(mContext, "test_key") {
+            @Override
+            boolean canDisplayLocaleUi() {
+                return mCanDisplayLocaleUi;
+            }
+        };
+    }
+
+    @Test
+    public void getAvailabilityStatus_canShowUi_shouldReturnAvailable() {
+        mCanDisplayLocaleUi = true;
+
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_canNotShowUi_shouldReturnUnavailable() {
+        mCanDisplayLocaleUi = false;
+
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.CONDITIONALLY_UNAVAILABLE);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/appinfo/HibernationSwitchPreferenceControllerTest.java

@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications.appinfo;
+
+import static android.app.AppOpsManager.MODE_ALLOWED;
+import static android.app.AppOpsManager.MODE_DEFAULT;
+import static android.app.AppOpsManager.MODE_IGNORED;
+import static android.app.AppOpsManager.OPSTR_AUTO_REVOKE_PERMISSIONS_IF_UNUSED;
+import static android.provider.DeviceConfig.NAMESPACE_APP_HIBERNATION;
+
+import static com.android.settings.Utils.PROPERTY_APP_HIBERNATION_ENABLED;
+import static com.android.settings.Utils.PROPERTY_HIBERNATION_TARGETS_PRE_S_APPS;
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.AppOpsManager;
+import android.apphibernation.AppHibernationManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.provider.DeviceConfig;
+
+import androidx.preference.SwitchPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class HibernationSwitchPreferenceControllerTest {
+    private static final int PACKAGE_UID = 1;
+    private static final String INVALID_PACKAGE_NAME = "invalid_package";
+    private static final String KEY = "key";
+    private static final String VALID_PACKAGE_NAME = "package";
+    private static final String EXEMPTED_PACKAGE_NAME = "exempted_package";
+    private static final String UNEXEMPTED_PACKAGE_NAME = "unexempted_package";
+    @Mock
+    private AppOpsManager mAppOpsManager;
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private AppHibernationManager mAppHibernationManager;
+    @Mock
+    private SwitchPreference mPreference;
+
+    private HibernationSwitchPreferenceController mController;
+    private Context mContext;
+    private String mOriginalPreSFlagValue;
+
+    @Before
+    public void setUp() throws PackageManager.NameNotFoundException {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(Context.APP_OPS_SERVICE)).thenReturn(mAppOpsManager);
+        when(mContext.getSystemService(AppHibernationManager.class))
+                .thenReturn(mAppHibernationManager);
+        when(mPackageManager.getPackageUid(eq(VALID_PACKAGE_NAME), anyInt()))
+                .thenReturn(PACKAGE_UID);
+        when(mPackageManager.getPackageUid(eq(INVALID_PACKAGE_NAME), anyInt()))
+                .thenThrow(new PackageManager.NameNotFoundException());
+        when(mPackageManager.getTargetSdkVersion(eq(EXEMPTED_PACKAGE_NAME)))
+                .thenReturn(android.os.Build.VERSION_CODES.Q);
+        when(mPackageManager.getTargetSdkVersion(eq(UNEXEMPTED_PACKAGE_NAME)))
+                .thenReturn(android.os.Build.VERSION_CODES.S);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_APP_HIBERNATION_ENABLED,
+                "true", true /* makeDefault */);
+        mController = new HibernationSwitchPreferenceController(mContext, KEY);
+        when(mPreference.getKey()).thenReturn(mController.getPreferenceKey());
+
+        mOriginalPreSFlagValue = DeviceConfig.getProperty(NAMESPACE_APP_HIBERNATION,
+                PROPERTY_HIBERNATION_TARGETS_PRE_S_APPS);
+    }
+
+    @After
+    public void cleanUp() {
+        // Restore original device config values.
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_HIBERNATION_TARGETS_PRE_S_APPS,
+                mOriginalPreSFlagValue, true /* makeDefault */);
+    }
+
+    @Test
+    public void getAvailabilityStatus_featureNotEnabled_shouldNotReturnAvailable() {
+        mController.setPackage(VALID_PACKAGE_NAME);
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_APP_HIBERNATION_ENABLED,
+                "false", true /* makeDefault */);
+
+        assertThat(mController.getAvailabilityStatus()).isNotEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_invalidPackage_shouldReturnNotAvailable() {
+        mController.setPackage(INVALID_PACKAGE_NAME);
+
+        assertThat(mController.getAvailabilityStatus()).isNotEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_validPackage_shouldReturnAvailable() {
+        mController.setPackage(VALID_PACKAGE_NAME);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void onPreferenceChange_unhibernatesWhenExempted() {
+        mController.setPackage(VALID_PACKAGE_NAME);
+        mController.onPreferenceChange(mPreference, false);
+
+        verify(mAppHibernationManager).setHibernatingForUser(VALID_PACKAGE_NAME, false);
+        verify(mAppHibernationManager).setHibernatingGlobally(VALID_PACKAGE_NAME, false);
+    }
+
+    @Test
+    public void isPackageHibernationExemptByUser_preSAppShouldBeExemptByDefault() {
+        when(mAppOpsManager.unsafeCheckOpNoThrow(
+                eq(OPSTR_AUTO_REVOKE_PERMISSIONS_IF_UNUSED), anyInt(), eq(EXEMPTED_PACKAGE_NAME)))
+                .thenReturn(MODE_DEFAULT);
+        mController.setPackage(EXEMPTED_PACKAGE_NAME);
+
+        assertTrue(mController.isPackageHibernationExemptByUser());
+    }
+
+    @Test
+    public void isPackageHibernationExemptByUser_preSAppShouldNotBeExemptWithUserSetting() {
+        when(mAppOpsManager.unsafeCheckOpNoThrow(
+                eq(OPSTR_AUTO_REVOKE_PERMISSIONS_IF_UNUSED), anyInt(), eq(EXEMPTED_PACKAGE_NAME)))
+                .thenReturn(MODE_ALLOWED);
+        mController.setPackage(EXEMPTED_PACKAGE_NAME);
+
+        assertFalse(mController.isPackageHibernationExemptByUser());
+    }
+
+    @Test
+    public void isPackageHibernationExemptByUser_SAppShouldBeExemptWithUserSetting() {
+        when(mAppOpsManager.unsafeCheckOpNoThrow(
+                eq(OPSTR_AUTO_REVOKE_PERMISSIONS_IF_UNUSED), anyInt(), eq(UNEXEMPTED_PACKAGE_NAME)))
+                .thenReturn(MODE_IGNORED);
+        mController.setPackage(UNEXEMPTED_PACKAGE_NAME);
+
+        assertTrue(mController.isPackageHibernationExemptByUser());
+    }
+
+    @Test
+    public void isPackageHibernationExemptByUser_preSAppShouldNotBeExemptByDefaultWithPreSFlag() {
+        DeviceConfig.setProperty(NAMESPACE_APP_HIBERNATION, PROPERTY_HIBERNATION_TARGETS_PRE_S_APPS,
+                "true", true /* makeDefault */);
+        when(mAppOpsManager.unsafeCheckOpNoThrow(
+                eq(OPSTR_AUTO_REVOKE_PERMISSIONS_IF_UNUSED), anyInt(), eq(EXEMPTED_PACKAGE_NAME)))
+                .thenReturn(MODE_DEFAULT);
+        mController.setPackage(EXEMPTED_PACKAGE_NAME);
+
+        assertFalse(mController.isPackageHibernationExemptByUser());
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/assist/AssistSettingObserverTest.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.assist;
+
+import android.net.Uri;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class AssistSettingObserverTest {
+
+    @Test
+    public void callConstructor_shouldNotCrash() {
+        new AssistSettingObserver() {
+            @Override
+            protected List<Uri> getSettingUris() {
+                return null;
+            }
+
+            @Override
+            public void onSettingChange() {
+
+            }
+        };
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/autofill/OWNERS

@@ -0,0 +1 @@
+include /src/com/android/settings/applications/autofill/OWNERS

Settings/tests/unit/src/com/android/settings/applications/autofill/PasswordsPreferenceControllerTest.java

@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.autofill;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.service.autofill.AutofillServiceInfo;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.annotation.UiThreadTest;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.google.android.collect.Lists;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+
+import java.util.Collections;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class PasswordsPreferenceControllerTest {
+
+    private Context mContext;
+    private PreferenceScreen mScreen;
+    private PreferenceCategory mPasswordsPreferenceCategory;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+        mScreen = new PreferenceManager(mContext).createPreferenceScreen(mContext);
+        mPasswordsPreferenceCategory = new PreferenceCategory(mContext);
+        mPasswordsPreferenceCategory.setKey("passwords");
+        mScreen.addPreference(mPasswordsPreferenceCategory);
+    }
+
+    @Test
+    // Tests that getAvailabilityStatus() does not throw an exception if it's called before the
+    // Controller is initialized (this can happen during indexing).
+    public void getAvailabilityStatus_withoutInit_returnsUnavailable() {
+        PasswordsPreferenceController controller =
+                new PasswordsPreferenceController(mContext, mPasswordsPreferenceCategory.getKey());
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noServices_returnsUnavailable() {
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Collections.emptyList());
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noPasswords_returnsUnavailable() {
+        AutofillServiceInfo service = new AutofillServiceInfo.TestDataBuilder().build();
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(service));
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_withPasswords_returnsAvailable() {
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(createServiceWithPasswords()));
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void displayPreference_noServices_noPreferencesAdded() {
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Collections.emptyList());
+        controller.displayPreference(mScreen);
+        assertThat(mPasswordsPreferenceCategory.getPreferenceCount()).isEqualTo(0);
+    }
+
+    @Test
+    public void displayPreference_noPasswords_noPreferencesAdded() {
+        AutofillServiceInfo service = new AutofillServiceInfo.TestDataBuilder().build();
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(service));
+        controller.displayPreference(mScreen);
+        assertThat(mPasswordsPreferenceCategory.getPreferenceCount()).isEqualTo(0);
+    }
+
+    @Test
+    @UiThreadTest
+    public void displayPreference_withPasswords_addsPreference() {
+        AutofillServiceInfo service = createServiceWithPasswords();
+        service.getServiceInfo().packageName = "";
+        service.getServiceInfo().name = "";
+        PasswordsPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(service));
+        doReturn(false).when(mContext).bindServiceAsUser(any(), any(), anyInt(), any());
+
+        controller.displayPreference(mScreen);
+
+        assertThat(mPasswordsPreferenceCategory.getPreferenceCount()).isEqualTo(1);
+        Preference pref = mPasswordsPreferenceCategory.getPreference(0);
+        assertThat(pref.getIcon()).isNotNull();
+        pref.performClick();
+        ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        UserHandle user = mContext.getUser();
+        verify(mContext).startActivityAsUser(intentCaptor.capture(), eq(user));
+        assertThat(intentCaptor.getValue().getComponent())
+                .isEqualTo(
+                        new ComponentName(
+                                service.getServiceInfo().packageName,
+                                service.getPasswordsActivity()));
+    }
+
+    private PasswordsPreferenceController createControllerWithServices(
+            List<AutofillServiceInfo> availableServices) {
+        PasswordsPreferenceController controller =
+                new PasswordsPreferenceController(mContext, mPasswordsPreferenceCategory.getKey());
+        controller.init(() -> mock(Lifecycle.class), availableServices);
+        return controller;
+    }
+
+    private AutofillServiceInfo createServiceWithPasswords() {
+        return new AutofillServiceInfo.TestDataBuilder()
+                .setPasswordsActivity("com.android.test.Passwords")
+                .build();
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/credentials/CredentialManagerPreferenceControllerTest.java

@@ -0,0 +1,643 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.credentials;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.ServiceInfo;
+import android.content.res.Resources;
+import android.credentials.CredentialProviderInfo;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Looper;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import com.android.settings.tests.unit.R;
+
+import com.google.android.collect.Lists;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+@RunWith(AndroidJUnit4.class)
+public class CredentialManagerPreferenceControllerTest {
+
+    private Context mContext;
+    private PreferenceScreen mScreen;
+    private PreferenceCategory mCredentialsPreferenceCategory;
+    private CredentialManagerPreferenceController.Delegate mDelegate;
+
+    private static final String TEST_PACKAGE_NAME_A = "com.android.providerA";
+    private static final String TEST_PACKAGE_NAME_B = "com.android.providerB";
+    private static final String TEST_PACKAGE_NAME_C = "com.android.providerC";
+    private static final String TEST_TITLE_APP_A = "test app A";
+    private static final String TEST_TITLE_APP_B = "test app B";
+    private static final String TEST_TITLE_APP_C = "test app C1";
+    private static final String PRIMARY_INTENT = "android.settings.CREDENTIAL_PROVIDER";
+    private static final String ALTERNATE_INTENT = "android.settings.SYNC_SETTINGS";
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+        mScreen = new PreferenceManager(mContext).createPreferenceScreen(mContext);
+        mCredentialsPreferenceCategory = new PreferenceCategory(mContext);
+        mCredentialsPreferenceCategory.setKey("credentials_test");
+        mScreen.addPreference(mCredentialsPreferenceCategory);
+        mDelegate =
+                new CredentialManagerPreferenceController.Delegate() {
+                    public void setActivityResult(int resultCode) {}
+
+                    public void forceDelegateRefresh() {}
+                };
+    }
+
+    @Test
+    // Tests that getAvailabilityStatus() does not throw an exception if it's called before the
+    // Controller is initialized (this can happen during indexing).
+    public void getAvailabilityStatus_withoutInit_returnsUnavailable() {
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+
+        CredentialManagerPreferenceController controller =
+                new CredentialManagerPreferenceController(
+                        mContext, mCredentialsPreferenceCategory.getKey());
+        assertThat(controller.isConnected()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noServices_returnsUnavailable() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Collections.emptyList());
+        assertThat(controller.isConnected()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_withServices_returnsAvailable() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(createCredentialProviderInfo()));
+        controller.setSimulateConnectedForTests(true);
+        assertThat(controller.isConnected()).isTrue();
+        controller.setSimulateHiddenForTests(Optional.of(false));
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_isHidden_returnsConditionallyUnavailable() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(createCredentialProviderInfo()));
+        controller.setSimulateConnectedForTests(true);
+        assertThat(controller.isConnected()).isTrue();
+        controller.setSimulateHiddenForTests(Optional.of(true));
+        assertThat(controller.isHiddenDueToNoProviderSet()).isTrue();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void displayPreference_withServices_preferencesAdded() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(createCredentialProviderInfo()));
+        controller.setSimulateConnectedForTests(true);
+        controller.setSimulateHiddenForTests(Optional.of(false));
+
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.isConnected()).isTrue();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        controller.displayPreference(mScreen);
+        assertThat(mCredentialsPreferenceCategory.getPreferenceCount()).isEqualTo(1);
+
+        Preference pref = mCredentialsPreferenceCategory.getPreference(0);
+        assertThat(pref.getTitle()).isNotEqualTo("Add account");
+    }
+
+    @Test
+    public void buildPreference() {
+        CredentialProviderInfo providerInfo1 =
+                createCredentialProviderInfoWithSubtitle(
+                        "com.android.provider1", "ClassA", "Service Title", null);
+        CredentialProviderInfo providerInfo2 =
+                createCredentialProviderInfoWithSubtitle(
+                        "com.android.provider2", "ClassA", "Service Title", "Summary Text");
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(providerInfo1, providerInfo2));
+        controller.setSimulateConnectedForTests(true);
+        assertThat(controller.isConnected()).isTrue();
+        controller.setSimulateHiddenForTests(Optional.of(false));
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // Test the data is correct.
+        assertThat(providerInfo1.isEnabled()).isFalse();
+        assertThat(providerInfo2.isEnabled()).isFalse();
+        assertThat(controller.getEnabledProviders().size()).isEqualTo(0);
+
+        // Toggle one provider and make sure it worked.
+        assertThat(controller.togglePackageNameEnabled("com.android.provider1")).isTrue();
+        Set<String> enabledProviders = controller.getEnabledProviders();
+        assertThat(enabledProviders.size()).isEqualTo(1);
+        assertThat(enabledProviders.contains("com.android.provider1")).isTrue();
+
+        // Create the pref (checked).
+        CredentialManagerPreferenceController.CombiPreference pref =
+                controller.createPreference(mContext, providerInfo1);
+        assertThat(pref.getTitle().toString()).isEqualTo("Service Title");
+        assertThat(pref.isChecked()).isTrue();
+        assertThat(pref.getSummary()).isNull();
+
+        // Create the pref (not checked).
+        CredentialManagerPreferenceController.CombiPreference pref2 =
+                controller.createPreference(mContext, providerInfo2);
+        assertThat(pref2.getTitle().toString()).isEqualTo("Service Title");
+        assertThat(pref2.isChecked()).isFalse();
+        assertThat(pref2.getSummary().toString()).isEqualTo("Summary Text");
+    }
+
+    @Test
+    public void getAvailabilityStatus_handlesToggleAndSave() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(
+                        Lists.newArrayList(
+                                createCredentialProviderInfo("com.android.provider1", "ClassA"),
+                                createCredentialProviderInfo("com.android.provider1", "ClassB"),
+                                createCredentialProviderInfo("com.android.provider2", "ClassA"),
+                                createCredentialProviderInfo("com.android.provider3", "ClassA"),
+                                createCredentialProviderInfo("com.android.provider4", "ClassA"),
+                                createCredentialProviderInfo("com.android.provider5", "ClassA"),
+                                createCredentialProviderInfo("com.android.provider6", "ClassA")));
+        controller.setSimulateConnectedForTests(true);
+        assertThat(controller.isConnected()).isTrue();
+        controller.setSimulateHiddenForTests(Optional.of(false));
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // Ensure that we stay under 5 providers (one is reserved for primary).
+        assertThat(controller.togglePackageNameEnabled("com.android.provider1")).isTrue();
+        assertThat(controller.togglePackageNameEnabled("com.android.provider2")).isTrue();
+        assertThat(controller.togglePackageNameEnabled("com.android.provider3")).isTrue();
+        assertThat(controller.togglePackageNameEnabled("com.android.provider4")).isTrue();
+        assertThat(controller.togglePackageNameEnabled("com.android.provider5")).isFalse();
+        assertThat(controller.togglePackageNameEnabled("com.android.provider6")).isFalse();
+
+        // Check that they are all actually registered.
+        Set<String> enabledProviders = controller.getEnabledProviders();
+        assertThat(enabledProviders.size()).isEqualTo(4);
+        assertThat(enabledProviders.contains("com.android.provider1")).isTrue();
+        assertThat(enabledProviders.contains("com.android.provider2")).isTrue();
+        assertThat(enabledProviders.contains("com.android.provider3")).isTrue();
+        assertThat(enabledProviders.contains("com.android.provider4")).isTrue();
+        assertThat(enabledProviders.contains("com.android.provider5")).isFalse();
+        assertThat(enabledProviders.contains("com.android.provider6")).isFalse();
+
+        // Check that the settings string has the right component names.
+        List<String> enabledServices = controller.getEnabledSettings();
+        assertThat(enabledServices.size()).isEqualTo(5);
+        assertThat(enabledServices.contains("com.android.provider1/ClassA")).isTrue();
+        assertThat(enabledServices.contains("com.android.provider1/ClassB")).isTrue();
+        assertThat(enabledServices.contains("com.android.provider2/ClassA")).isTrue();
+        assertThat(enabledServices.contains("com.android.provider3/ClassA")).isTrue();
+        assertThat(enabledServices.contains("com.android.provider4/ClassA")).isTrue();
+        assertThat(enabledServices.contains("com.android.provider5/ClassA")).isFalse();
+        assertThat(enabledServices.contains("com.android.provider6/ClassA")).isFalse();
+
+        // Toggle the provider disabled.
+        controller.togglePackageNameDisabled("com.android.provider2");
+
+        // Check that the provider was removed from the list of providers.
+        Set<String> currentlyEnabledProviders = controller.getEnabledProviders();
+        assertThat(currentlyEnabledProviders.size()).isEqualTo(3);
+        assertThat(currentlyEnabledProviders.contains("com.android.provider1")).isTrue();
+        assertThat(currentlyEnabledProviders.contains("com.android.provider2")).isFalse();
+        assertThat(currentlyEnabledProviders.contains("com.android.provider3")).isTrue();
+        assertThat(currentlyEnabledProviders.contains("com.android.provider4")).isTrue();
+        assertThat(currentlyEnabledProviders.contains("com.android.provider5")).isFalse();
+        assertThat(currentlyEnabledProviders.contains("com.android.provider6")).isFalse();
+
+        // Check that the provider was removed from the list of services stored in the setting.
+        List<String> currentlyEnabledServices = controller.getEnabledSettings();
+        assertThat(currentlyEnabledServices.size()).isEqualTo(4);
+        assertThat(currentlyEnabledServices.contains("com.android.provider1/ClassA")).isTrue();
+        assertThat(currentlyEnabledServices.contains("com.android.provider1/ClassB")).isTrue();
+        assertThat(currentlyEnabledServices.contains("com.android.provider3/ClassA")).isTrue();
+        assertThat(currentlyEnabledServices.contains("com.android.provider4/ClassA")).isTrue();
+        assertThat(currentlyEnabledServices.contains("com.android.provider5/ClassA")).isFalse();
+        assertThat(currentlyEnabledServices.contains("com.android.provider6/ClassA")).isFalse();
+    }
+
+    @Test
+    public void handlesCredentialProviderInfoEnabledDisabled() {
+        CredentialProviderInfo providerInfo1 =
+                createCredentialProviderInfoWithIsEnabled(
+                        "com.android.provider1", "ClassA", "Service Title", false);
+        CredentialProviderInfo providerInfo2 =
+                createCredentialProviderInfoWithIsEnabled(
+                        "com.android.provider2", "ClassA", "Service Title", true);
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(providerInfo1, providerInfo2));
+        controller.setSimulateConnectedForTests(true);
+        assertThat(controller.isConnected()).isTrue();
+        controller.setSimulateHiddenForTests(Optional.of(false));
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // Test the data is correct.
+        assertThat(providerInfo1.isEnabled()).isFalse();
+        assertThat(providerInfo2.isEnabled()).isTrue();
+
+        // Check that they are all actually registered.
+        Set<String> enabledProviders = controller.getEnabledProviders();
+        assertThat(enabledProviders.size()).isEqualTo(1);
+        assertThat(enabledProviders.contains("com.android.provider1")).isFalse();
+        assertThat(enabledProviders.contains("com.android.provider2")).isTrue();
+
+        // Check that the settings string has the right component names.
+        List<String> enabledServices = controller.getEnabledSettings();
+        assertThat(enabledServices.size()).isEqualTo(1);
+        assertThat(enabledServices.contains("com.android.provider1/ClassA")).isFalse();
+        assertThat(enabledServices.contains("com.android.provider2/ClassA")).isTrue();
+    }
+
+    @Test
+    public void displayPreference_withServices_preferencesAdded_sameAppShouldBeMerged() {
+        CredentialProviderInfo serviceA1 =
+                createCredentialProviderInfoWithAppLabel(
+                        TEST_PACKAGE_NAME_A,
+                        "CredManProviderA1",
+                        TEST_TITLE_APP_A,
+                        "test service A1");
+        CredentialProviderInfo serviceB1 =
+                createCredentialProviderInfoWithAppLabel(
+                        TEST_PACKAGE_NAME_B,
+                        "CredManProviderB1",
+                        TEST_TITLE_APP_B,
+                        "test service B");
+        CredentialProviderInfo serviceC1 =
+                createCredentialProviderInfoWithAppLabel(
+                        TEST_PACKAGE_NAME_C, "CredManProviderC1", "test app C1", TEST_TITLE_APP_C);
+        CredentialProviderInfo serviceC2 =
+                createCredentialProviderInfoWithAppLabel(
+                        TEST_PACKAGE_NAME_C, "CredManProviderC2", "test app C2", TEST_TITLE_APP_C);
+        CredentialProviderInfo serviceC3 =
+                createCredentialProviderInfoBuilder(
+                                TEST_PACKAGE_NAME_C,
+                                "CredManProviderC3",
+                                "test app C3",
+                                TEST_TITLE_APP_C)
+                        .setEnabled(true)
+                        .build();
+
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(
+                        Lists.newArrayList(serviceA1, serviceB1, serviceC1, serviceC2, serviceC3));
+        controller.setSimulateConnectedForTests(true);
+        controller.setSimulateHiddenForTests(Optional.of(false));
+
+        assertThat(controller.isHiddenDueToNoProviderSet()).isFalse();
+        assertThat(controller.isConnected()).isTrue();
+        assertThat(controller.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        controller.displayPreference(mScreen);
+        assertThat(mCredentialsPreferenceCategory.getPreferenceCount()).isEqualTo(3);
+
+        Map<String, CredentialManagerPreferenceController.CombiPreference> prefs =
+                controller.buildPreferenceList(mContext, mCredentialsPreferenceCategory);
+        assertThat(prefs.keySet())
+                .containsExactly(TEST_PACKAGE_NAME_A, TEST_PACKAGE_NAME_B, TEST_PACKAGE_NAME_C);
+        assertThat(prefs.size()).isEqualTo(3);
+        assertThat(prefs.containsKey(TEST_PACKAGE_NAME_A)).isTrue();
+        assertThat(prefs.get(TEST_PACKAGE_NAME_A).getTitle()).isEqualTo(TEST_TITLE_APP_A);
+        assertThat(prefs.get(TEST_PACKAGE_NAME_A).isChecked()).isFalse();
+        assertThat(prefs.containsKey(TEST_PACKAGE_NAME_B)).isTrue();
+        assertThat(prefs.get(TEST_PACKAGE_NAME_B).getTitle()).isEqualTo(TEST_TITLE_APP_B);
+        assertThat(prefs.get(TEST_PACKAGE_NAME_B).isChecked()).isFalse();
+        assertThat(prefs.containsKey(TEST_PACKAGE_NAME_C)).isTrue();
+        assertThat(prefs.get(TEST_PACKAGE_NAME_C).getTitle()).isEqualTo(TEST_TITLE_APP_C);
+        assertThat(prefs.get(TEST_PACKAGE_NAME_C).isChecked()).isTrue();
+    }
+
+    @Test
+    public void handleIntentWithProviderServiceInfo_handleBadIntent_missingData() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        // Create an intent with missing data.
+        Intent missingDataIntent = new Intent(PRIMARY_INTENT);
+        assertThat(controller.verifyReceivedIntent(missingDataIntent)).isFalse();
+    }
+
+    @Test
+    public void handleIntentWithProviderServiceInfo_handleBadIntent_successDialog() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+        String packageName = cpi.getServiceInfo().packageName;
+
+        // Create an intent with valid data.
+        Intent intent = new Intent(PRIMARY_INTENT);
+        intent.setData(Uri.parse("package:" + packageName));
+        assertThat(controller.verifyReceivedIntent(intent)).isTrue();
+        int resultCode =
+                controller.completeEnableProviderDialogBox(
+                        DialogInterface.BUTTON_POSITIVE, packageName, true);
+        assertThat(resultCode).isEqualTo(Activity.RESULT_OK);
+    }
+
+    @Test
+    public void handleIntentWithProviderServiceInfo_handleIntent_cancelDialog() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+        String packageName = cpi.getServiceInfo().packageName;
+
+        // Create an intent with valid data.
+        Intent intent = new Intent(PRIMARY_INTENT);
+        intent.setData(Uri.parse("package:" + packageName));
+        assertThat(controller.verifyReceivedIntent(intent)).isTrue();
+        int resultCode =
+                controller.completeEnableProviderDialogBox(
+                        DialogInterface.BUTTON_NEGATIVE, packageName, true);
+        assertThat(resultCode).isEqualTo(Activity.RESULT_CANCELED);
+    }
+
+    @Test
+    public void handleOtherIntentWithProviderServiceInfo_handleBadIntent_missingData() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        // Create an intent with missing data.
+        Intent missingDataIntent = new Intent(ALTERNATE_INTENT);
+        assertThat(controller.verifyReceivedIntent(missingDataIntent)).isFalse();
+    }
+
+    @Test
+    public void handleOtherIntentWithProviderServiceInfo_handleBadIntent_successDialog() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+        String packageName = cpi.getServiceInfo().packageName;
+
+        // Create an intent with valid data.
+        Intent intent = new Intent(ALTERNATE_INTENT);
+        intent.setData(Uri.parse("package:" + packageName));
+        assertThat(controller.verifyReceivedIntent(intent)).isTrue();
+        int resultCode =
+                controller.completeEnableProviderDialogBox(
+                        DialogInterface.BUTTON_POSITIVE, packageName, true);
+        assertThat(resultCode).isEqualTo(Activity.RESULT_OK);
+    }
+
+    @Test
+    public void handleOtherIntentWithProviderServiceInfo_handleIntent_cancelDialog() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+        String packageName = cpi.getServiceInfo().packageName;
+
+        // Create an intent with valid data.
+        Intent intent = new Intent(ALTERNATE_INTENT);
+        intent.setData(Uri.parse("package:" + packageName));
+        assertThat(controller.verifyReceivedIntent(intent)).isTrue();
+        int resultCode =
+                controller.completeEnableProviderDialogBox(
+                        DialogInterface.BUTTON_NEGATIVE, packageName, true);
+        assertThat(resultCode).isEqualTo(Activity.RESULT_CANCELED);
+    }
+
+    @Test
+    public void handleIntentWithProviderServiceInfo_handleIntent_incorrectAction() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+        String packageName = cpi.getServiceInfo().packageName;
+
+        // Create an intent with valid data.
+        Intent intent = new Intent(Settings.ACTION_REQUEST_SET_AUTOFILL_SERVICE);
+        intent.setData(Uri.parse("package:" + packageName));
+        assertThat(controller.verifyReceivedIntent(intent)).isFalse();
+    }
+
+    @Test
+    public void handleIntentWithProviderServiceInfo_handleNullIntent() {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        // Use a null intent.
+        assertThat(controller.verifyReceivedIntent(null)).isFalse();
+    }
+
+    @Test
+    public void testIconResizer_resizeLargeImage() throws Throwable {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        final Drawable d =
+                InstrumentationRegistry.getInstrumentation()
+                        .getContext()
+                        .getResources()
+                        .getDrawable(R.drawable.credman_icon_32_32);
+        assertThat(d).isNotNull();
+        assertThat(d.getIntrinsicHeight() >= 0).isTrue();
+        assertThat(d.getIntrinsicWidth() >= 0).isTrue();
+
+        Drawable thumbnail = controller.processIcon(d);
+        assertThat(thumbnail).isNotNull();
+        assertThat(thumbnail.getIntrinsicHeight()).isEqualTo(getIconSize());
+        assertThat(thumbnail.getIntrinsicWidth()).isEqualTo(getIconSize());
+    }
+
+    @Test
+    public void testIconResizer_resizeNullImage() throws Throwable {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        Drawable thumbnail = controller.processIcon(null);
+        assertThat(thumbnail).isNotNull();
+        assertThat(thumbnail.getIntrinsicHeight()).isEqualTo(getIconSize());
+        assertThat(thumbnail.getIntrinsicWidth()).isEqualTo(getIconSize());
+    }
+
+    @Test
+    public void testIconResizer_resizeSmallImage() throws Throwable {
+        CredentialProviderInfo cpi = createCredentialProviderInfo();
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(Lists.newArrayList(cpi));
+
+        final Drawable d =
+                InstrumentationRegistry.getInstrumentation()
+                        .getContext()
+                        .getResources()
+                        .getDrawable(R.drawable.credman_icon_1_1);
+        assertThat(d).isNotNull();
+        assertThat(d.getIntrinsicHeight() >= 0).isTrue();
+        assertThat(d.getIntrinsicWidth() >= 0).isTrue();
+
+        Drawable thumbnail = controller.processIcon(null);
+        assertThat(thumbnail).isNotNull();
+        assertThat(thumbnail.getIntrinsicHeight()).isEqualTo(getIconSize());
+        assertThat(thumbnail.getIntrinsicWidth()).isEqualTo(getIconSize());
+    }
+
+    @Test
+    public void hasNonPrimaryServices_allServicesArePrimary() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(
+                    Lists.newArrayList(createCredentialProviderPrimary()));
+        assertThat(controller.hasNonPrimaryServices()).isFalse();
+    }
+
+    @Test
+    public void hasNonPrimaryServices_mixtureOfServices() {
+        CredentialManagerPreferenceController controller =
+                createControllerWithServices(
+                    Lists.newArrayList(createCredentialProviderInfo(),
+                        createCredentialProviderPrimary()));
+        assertThat(controller.hasNonPrimaryServices()).isTrue();
+    }
+
+    @Test
+    public void testProviderLimitReached() {
+        // The limit is 5 with one slot reserved for primary.
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(0)).isFalse();
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(1)).isFalse();
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(2)).isFalse();
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(3)).isFalse();
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(4)).isTrue();
+        assertThat(CredentialManagerPreferenceController.hasProviderLimitBeenReached(5)).isTrue();
+    }
+
+    private int getIconSize() {
+        final Resources resources = mContext.getResources();
+        return (int) resources.getDimension(android.R.dimen.app_icon_size);
+    }
+
+    private CredentialManagerPreferenceController createControllerWithServices(
+            List<CredentialProviderInfo> availableServices) {
+        return createControllerWithServicesAndAddServiceOverride(availableServices, null);
+    }
+
+    private CredentialManagerPreferenceController createControllerWithServicesAndAddServiceOverride(
+            List<CredentialProviderInfo> availableServices, String addServiceOverride) {
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+
+        CredentialManagerPreferenceController controller =
+                new CredentialManagerPreferenceController(
+                        mContext, mCredentialsPreferenceCategory.getKey());
+        controller.setAvailableServices(availableServices, addServiceOverride);
+        controller.setDelegate(mDelegate);
+        return controller;
+    }
+
+    private CredentialProviderInfo createCredentialProviderInfo() {
+        return createCredentialProviderInfo("com.android.provider", "CredManProvider");
+    }
+
+    private CredentialProviderInfo createCredentialProviderInfo(
+            String packageName, String className) {
+        return createCredentialProviderInfoBuilder(packageName, className, null, "App Name")
+                .build();
+    }
+
+    private CredentialProviderInfo createCredentialProviderInfoWithIsEnabled(
+            String packageName, String className, CharSequence serviceLabel, boolean isEnabled) {
+        return createCredentialProviderInfoBuilder(packageName, className, serviceLabel, "App Name")
+                .setEnabled(isEnabled)
+                .build();
+    }
+
+    private CredentialProviderInfo createCredentialProviderPrimary() {
+        return createCredentialProviderInfoBuilder(
+            "com.android.primary", "CredManProvider", "Service Label", "App Name")
+                .setPrimary(true)
+                .build();
+    }
+
+    private CredentialProviderInfo createCredentialProviderInfoWithSubtitle(
+            String packageName, String className, CharSequence label, CharSequence subtitle) {
+        ServiceInfo si = new ServiceInfo();
+        si.packageName = packageName;
+        si.name = className;
+        si.nonLocalizedLabel = "test";
+
+        si.applicationInfo = new ApplicationInfo();
+        si.applicationInfo.packageName = packageName;
+        si.applicationInfo.nonLocalizedLabel = "test";
+
+        return new CredentialProviderInfo.Builder(si)
+                .setOverrideLabel(label)
+                .setSettingsSubtitle(subtitle)
+                .build();
+    }
+
+    private CredentialProviderInfo createCredentialProviderInfoWithAppLabel(
+            String packageName, String className, CharSequence serviceLabel, String appLabel) {
+        return createCredentialProviderInfoBuilder(packageName, className, serviceLabel, appLabel)
+                .build();
+    }
+
+    private CredentialProviderInfo.Builder createCredentialProviderInfoBuilder(
+            String packageName, String className, CharSequence serviceLabel, String appLabel) {
+        ServiceInfo si = new ServiceInfo();
+        si.packageName = packageName;
+        si.name = className;
+        si.nonLocalizedLabel = serviceLabel;
+
+        si.applicationInfo = new ApplicationInfo();
+        si.applicationInfo.packageName = packageName;
+        si.applicationInfo.nonLocalizedLabel = appLabel;
+
+        return new CredentialProviderInfo.Builder(si).setOverrideLabel(serviceLabel);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/credentials/CredentialsPickerActivityTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.credentials;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.UserInfo;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.google.common.collect.Lists;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class CredentialsPickerActivityTest {
+
+    @Mock private UserManager mUserManager;
+
+    private Context mMockContext;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mMockContext = spy(ApplicationProvider.getApplicationContext());
+        when(mMockContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
+    }
+
+    @Test
+    public void testInjectFragmentIntoIntent_normalProfile() {
+        Intent intent = new Intent();
+        CredentialsPickerActivity.injectFragmentIntoIntent(mMockContext, intent);
+        assertThat(intent.getStringExtra(CredentialsPickerActivity.EXTRA_SHOW_FRAGMENT))
+                .isEqualTo(DefaultCombinedPicker.class.getName());
+    }
+
+    @Test
+    public void testInjectFragmentIntoIntent_workProfile() {
+        Intent intent = new Intent();
+
+        // Simulate managed / work profile.
+        when(mUserManager.isManagedProfile(anyInt())).thenReturn(true);
+        assertThat(DefaultCombinedPickerWork.isUserHandledByFragment(mUserManager, 10)).isTrue();
+
+        CredentialsPickerActivity.injectFragmentIntoIntent(mMockContext, intent);
+        assertThat(intent.getStringExtra(CredentialsPickerActivity.EXTRA_SHOW_FRAGMENT))
+                .isEqualTo(DefaultCombinedPickerWork.class.getName());
+    }
+
+    @Test
+    public void testInjectFragmentIntoIntent_privateProfile() {
+        Intent intent = new Intent();
+
+        // Simulate private profile.
+        UserHandle privateUser = new UserHandle(100);
+        when(mUserManager.getUserInfo(100))
+                .thenReturn(new UserInfo(100, "", "", 0, UserManager.USER_TYPE_PROFILE_PRIVATE));
+        when(mUserManager.getUserProfiles()).thenReturn(Lists.newArrayList(privateUser));
+        assertThat(DefaultCombinedPickerPrivate.isUserHandledByFragment(mUserManager)).isTrue();
+
+        CredentialsPickerActivity.injectFragmentIntoIntent(mMockContext, intent);
+        assertThat(intent.getStringExtra(CredentialsPickerActivity.EXTRA_SHOW_FRAGMENT))
+                .isEqualTo(DefaultCombinedPickerPrivate.class.getName());
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/credentials/DefaultCombinedPreferenceControllerTest.java

@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.credentials;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.os.Looper;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import androidx.preference.PreferenceViewHolder;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.R;
+import com.android.settings.testutils.ResourcesUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class DefaultCombinedPreferenceControllerTest {
+
+    private Context mContext;
+    private PrimaryProviderPreference.Delegate mDelegate;
+    private AttributeSet mAttributes;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+        mDelegate =
+                new PrimaryProviderPreference.Delegate() {
+                    public void onOpenButtonClicked() {}
+
+                    public void onChangeButtonClicked() {}
+                };
+    }
+
+    @Test
+    public void ensureSettingIntentNullForNewDesign() {
+        if (!PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        // The setting intent should be null for the new design since this
+        // is handled by the delegate for the PrimaryProviderPreference.
+        DefaultCombinedPreferenceController dcpc =
+                new DefaultCombinedPreferenceController(mContext);
+        assertThat(dcpc.getSettingIntent(null).getPackage()).isNull();
+    }
+
+    @Test
+    public void ensureSettingIntentNotNullForOldDesign() {
+        if (PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        // For the old design the setting intent should still be used.
+        DefaultCombinedPreferenceController dcpc =
+                new DefaultCombinedPreferenceController(mContext);
+        assertThat(dcpc.getSettingIntent(null).getPackage()).isNotNull();
+    }
+
+    @Test
+    public void ensureSettingsActivityIntentCreatedSuccessfully() {
+        // Ensure that the settings activity is only created if we haved the right combination
+        // of package and class name.
+        assertThat(CombinedProviderInfo.createSettingsActivityIntent(null, null)).isNull();
+        assertThat(CombinedProviderInfo.createSettingsActivityIntent("", null)).isNull();
+        assertThat(CombinedProviderInfo.createSettingsActivityIntent("", "")).isNull();
+        assertThat(CombinedProviderInfo.createSettingsActivityIntent("com.test", "")).isNull();
+        assertThat(CombinedProviderInfo.createSettingsActivityIntent("com.test", "ClassName"))
+                .isNotNull();
+    }
+
+    @Test
+    public void ensureUpdatePreferenceForProviderPopulatesInfo() {
+        if (!PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        DefaultCombinedPreferenceController dcpc =
+                new DefaultCombinedPreferenceController(mContext);
+        PrimaryProviderPreference ppp = createTestPreference();
+        Drawable appIcon = mContext.getResources().getDrawable(R.drawable.ic_settings_delete);
+
+        // Update the preference to use the provider and make sure the view
+        // was updated.
+        dcpc.updatePreferenceForProvider(ppp, "App Name", "Subtitle", appIcon, null, null);
+        assertThat(ppp.getTitle().toString()).isEqualTo("App Name");
+        assertThat(ppp.getSummary().toString()).isEqualTo("Subtitle");
+        assertThat(ppp.getIcon()).isEqualTo(appIcon);
+
+        // Set the preference back to none and make sure the view was updated.
+        dcpc.updatePreferenceForProvider(ppp, null, null, null, null, null);
+        assertThat(ppp.getTitle().toString()).isEqualTo("None");
+        assertThat(ppp.getSummary()).isNull();
+        assertThat(ppp.getIcon()).isNull();
+    }
+
+    private PrimaryProviderPreference createTestPreference() {
+        int layoutId =
+                ResourcesUtils.getResourcesId(
+                        mContext, "layout", "preference_credential_manager_with_buttons");
+        PreferenceViewHolder holder =
+                PreferenceViewHolder.createInstanceForTests(
+                        LayoutInflater.from(mContext).inflate(layoutId, null));
+        PreferenceViewHolder holderForTest = spy(holder);
+        View gearView = new View(mContext, null);
+        int gearId = ResourcesUtils.getResourcesId(mContext, "id", "settings_button");
+        when(holderForTest.findViewById(gearId)).thenReturn(gearView);
+
+        PrimaryProviderPreference ppp = new PrimaryProviderPreference(mContext, mAttributes);
+        ppp.setDelegate(mDelegate);
+        ppp.onBindViewHolder(holderForTest);
+        return ppp;
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/credentials/OWNERS

@@ -0,0 +1 @@
+include /src/com/android/settings/applications/credentials/OWNERS

Settings/tests/unit/src/com/android/settings/applications/credentials/PrimaryProviderPreferenceTest.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.credentials;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.Looper;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import androidx.preference.PreferenceViewHolder;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.ResourcesUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class PrimaryProviderPreferenceTest {
+
+    private Context mContext;
+    private PrimaryProviderPreference.Delegate mDelegate;
+    private boolean mReceivedOpenButtonClicked = false;
+    private boolean mReceivedChangeButtonClicked = false;
+    private AttributeSet mAttributes;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        if (Looper.myLooper() == null) {
+            Looper.prepare(); // needed to create the preference screen
+        }
+        mReceivedOpenButtonClicked = false;
+        mReceivedChangeButtonClicked = false;
+        mDelegate =
+                new PrimaryProviderPreference.Delegate() {
+                    public void onOpenButtonClicked() {
+                        mReceivedOpenButtonClicked = true;
+                    }
+
+                    public void onChangeButtonClicked() {
+                        mReceivedChangeButtonClicked = true;
+                    }
+                };
+    }
+
+    @Test
+    public void ensureButtonsClicksCallDelegate_newDesign() {
+        if (!PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        PrimaryProviderPreference ppp = createTestPreferenceWithNewLayout();
+
+        // Test that all the views & buttons are bound correctly.
+        assertThat(ppp.getOpenButton()).isNotNull();
+        assertThat(ppp.getChangeButton()).isNotNull();
+        assertThat(ppp.getButtonFrameView()).isNotNull();
+
+        // Test that clicking the open button results in the delegate being
+        // called.
+        assertThat(mReceivedOpenButtonClicked).isFalse();
+        ppp.getOpenButton().performClick();
+        assertThat(mReceivedOpenButtonClicked).isTrue();
+
+        // Test that clicking the change button results in the delegate being
+        // called.
+        assertThat(mReceivedChangeButtonClicked).isFalse();
+        ppp.getChangeButton().performClick();
+        assertThat(mReceivedChangeButtonClicked).isTrue();
+    }
+
+    @Test
+    public void ensureButtonsClicksCallDelegate_newDesign_openButtonVisibility() {
+        if (!PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        PrimaryProviderPreference ppp = createTestPreferenceWithNewLayout();
+
+        // Test that the open button is visible.
+        assertThat(ppp.getOpenButton()).isNotNull();
+        assertThat(ppp.getOpenButton().getVisibility()).isEqualTo(View.GONE);
+
+        // Show the button and make sure the view was updated.
+        ppp.setOpenButtonVisible(true);
+        assertThat(ppp.getOpenButton().getVisibility()).isEqualTo(View.VISIBLE);
+
+        // Hide the button and make sure the view was updated.
+        ppp.setOpenButtonVisible(false);
+        assertThat(ppp.getOpenButton().getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void ensureButtonsClicksCallDelegate_newDesign_buttonsCompactMode() {
+        if (!PrimaryProviderPreference.shouldUseNewSettingsUi()) {
+            return;
+        }
+
+        PrimaryProviderPreference ppp = createTestPreferenceWithNewLayout();
+        int initialPaddingLeft = ppp.getButtonFrameView().getPaddingLeft();
+
+        // If we show the buttons the left padding should be updated.
+        ppp.setButtonsCompactMode(true);
+        assertThat(ppp.getButtonFrameView().getPaddingLeft()).isNotEqualTo(initialPaddingLeft);
+
+        // If we hide the buttons the left padding should be updated.
+        ppp.setButtonsCompactMode(false);
+        assertThat(ppp.getButtonFrameView().getPaddingLeft()).isEqualTo(initialPaddingLeft);
+    }
+
+    private PrimaryProviderPreference createTestPreferenceWithNewLayout() {
+        return createTestPreference("preference_credential_manager_with_buttons");
+    }
+
+    private PrimaryProviderPreference createTestPreference(String layoutName) {
+        int layoutId = ResourcesUtils.getResourcesId(mContext, "layout", layoutName);
+        PreferenceViewHolder holder =
+                PreferenceViewHolder.createInstanceForTests(
+                        LayoutInflater.from(mContext).inflate(layoutId, null));
+        PreferenceViewHolder holderForTest = spy(holder);
+        View gearView = new View(mContext, null);
+        int gearId = ResourcesUtils.getResourcesId(mContext, "id", "settings_button");
+        when(holderForTest.findViewById(gearId)).thenReturn(gearView);
+
+        PrimaryProviderPreference ppp = new PrimaryProviderPreference(mContext, mAttributes);
+        ppp.setDelegate(mDelegate);
+        ppp.onBindViewHolder(holderForTest);
+        return ppp;
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/manageapplications/AppFilterRegistryTest.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.manageapplications;
+
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_ALARMS_AND_REMINDERS;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_ALL;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_BATTERY_OPTIMIZED;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_INSTALL_SOURCES;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_MEDIA_MANAGEMENT;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_POWER_ALLOWLIST;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_RECENT;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_TURN_SCREEN_ON;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_USAGE_ACCESS;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_WITH_OVERLAY;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_WRITE_SETTINGS;
+import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_LONG_BACKGROUND_TASKS;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_ALARMS_AND_REMINDERS;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_BATTERY_OPTIMIZATION;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_GAMES;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_HIGH_POWER;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_LONG_BACKGROUND_TASKS;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_MAIN;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_MANAGE_SOURCES;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_MEDIA_MANAGEMENT_APPS;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_NOTIFICATION;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_OVERLAY;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_STORAGE;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_TURN_SCREEN_ON;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_USAGE_ACCESS;
+import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_WRITE_SETTINGS;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class AppFilterRegistryTest {
+
+    @Test
+    public void getDefaultType_shouldMatchForAllListType() {
+        final AppFilterRegistry registry = AppFilterRegistry.getInstance();
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_USAGE_ACCESS))
+                .isEqualTo(FILTER_APPS_USAGE_ACCESS);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_HIGH_POWER))
+                .isEqualTo(FILTER_APPS_POWER_ALLOWLIST);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_OVERLAY))
+                .isEqualTo(FILTER_APPS_WITH_OVERLAY);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_WRITE_SETTINGS))
+                .isEqualTo(FILTER_APPS_WRITE_SETTINGS);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_MANAGE_SOURCES))
+                .isEqualTo(FILTER_APPS_INSTALL_SOURCES);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_ALARMS_AND_REMINDERS))
+                .isEqualTo(FILTER_ALARMS_AND_REMINDERS);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_MEDIA_MANAGEMENT_APPS))
+                .isEqualTo(FILTER_APPS_MEDIA_MANAGEMENT);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_BATTERY_OPTIMIZATION))
+                .isEqualTo(FILTER_APPS_BATTERY_OPTIMIZED);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_MAIN)).isEqualTo(FILTER_APPS_ALL);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_NOTIFICATION))
+                .isEqualTo(FILTER_APPS_RECENT);
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_STORAGE)).isEqualTo(FILTER_APPS_ALL);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_GAMES)).isEqualTo(FILTER_APPS_ALL);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_LONG_BACKGROUND_TASKS))
+                .isEqualTo(FILTER_LONG_BACKGROUND_TASKS);
+
+        assertThat(registry.getDefaultFilterType(LIST_TYPE_TURN_SCREEN_ON)).isEqualTo(
+                FILTER_APPS_TURN_SCREEN_ON);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/AlertingTypeFilterPreferenceControllerTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_ALERTING;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_SILENT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ServiceInfo;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class AlertingTypeFilterPreferenceControllerTest {
+
+    private Context mContext;
+    private AlertingTypeFilterPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    ServiceInfo mSi = new ServiceInfo();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new AlertingTypeFilterPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setServiceInfo(mSi);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void getType() {
+        assertThat(mController.getType()).isEqualTo(FLAG_FILTER_TYPE_ALERTING);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/ApprovalPreferenceControllerTest.java

@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.AppOpsManager;
+import android.app.Flags;
+import android.app.NotificationManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.annotations.RequiresFlagsDisabled;
+import android.platform.test.flag.junit.CheckFlagsRule;
+import android.platform.test.flag.junit.DeviceFlagsValueProvider;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settingslib.RestrictedSwitchPreference;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class ApprovalPreferenceControllerTest {
+
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(
+            SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT);
+    @Rule
+    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
+
+    private Context mContext;
+    private FakeFeatureFactory mFeatureFactory;
+    @Mock
+    private NotificationAccessDetails mFragment;
+    private ApprovalPreferenceController mController;
+    @Mock
+    NotificationManager mNm;
+    @Mock
+    AppOpsManager mAppOpsManager;
+    @Mock
+    PackageManager mPm;
+    PackageInfo mPkgInfo;
+    ComponentName mCn = new ComponentName("a", "b");
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mFeatureFactory = FakeFeatureFactory.setupForTest();
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        doReturn(mContext).when(mFragment).getContext();
+
+        mPkgInfo = new PackageInfo();
+        mPkgInfo.applicationInfo = mock(ApplicationInfo.class);
+        when(mPkgInfo.applicationInfo.loadLabel(mPm)).thenReturn("LABEL");
+
+        mController = new ApprovalPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setParent(mFragment);
+        mController.setPkgInfo(mPkgInfo);
+    }
+
+    @Test
+    public void updateState_enabled() {
+        when(mAppOpsManager.noteOpNoThrow(anyInt(), anyInt(), anyString())).thenReturn(
+                AppOpsManager.MODE_ALLOWED);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        RestrictedSwitchPreference pref = new RestrictedSwitchPreference(
+                mContext);
+        pref.setAppOps(mAppOpsManager);
+
+        mController.updateState(pref);
+
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void updateState_invalidCn_disabled() {
+        ComponentName longCn = new ComponentName("com.example.package",
+                com.google.common.base.Strings.repeat("Blah", 150));
+        mController.setCn(longCn);
+        when(mAppOpsManager.noteOpNoThrow(anyInt(), anyInt(), anyString())).thenReturn(
+                AppOpsManager.MODE_ALLOWED);
+        RestrictedSwitchPreference pref = new RestrictedSwitchPreference(
+                mContext);
+        pref.setAppOps(mAppOpsManager);
+
+        mController.updateState(pref);
+
+        assertThat(pref.isEnabled()).isFalse();
+    }
+
+    @Test
+    @RequiresFlagsDisabled(android.security.Flags.FLAG_EXTEND_ECM_TO_ALL_SETTINGS)
+    public void updateState_checked() {
+        when(mAppOpsManager.noteOpNoThrow(anyInt(), anyInt(), anyString())).thenReturn(
+                AppOpsManager.MODE_ALLOWED);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        RestrictedSwitchPreference pref = new RestrictedSwitchPreference(
+                mContext);
+        pref.setAppOps(mAppOpsManager);
+
+        mController.updateState(pref);
+        assertThat(pref.isChecked()).isTrue();
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    @RequiresFlagsDisabled(android.security.Flags.FLAG_EXTEND_ECM_TO_ALL_SETTINGS)
+    public void restrictedSettings_appOpsDisabled() {
+        Assert.assertFalse(android.security.Flags.extendEcmToAllSettings());
+        when(mAppOpsManager.noteOpNoThrow(anyInt(), anyInt(), anyString()))
+                .thenReturn(AppOpsManager.MODE_ERRORED);
+        doReturn(mAppOpsManager).when(mContext).getSystemService(Context.APP_OPS_SERVICE);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(false);
+        RestrictedSwitchPreference pref = new RestrictedSwitchPreference(
+                mContext);
+        pref.setAppOps(mAppOpsManager);
+        mController.setSettingIdentifier(AppOpsManager.OPSTR_ACCESS_NOTIFICATIONS);
+
+        mController.updateState(pref);
+
+        verify(mAppOpsManager).noteOpNoThrow(anyInt(), anyInt(), anyString());
+        assertThat(pref.isEnabled()).isFalse();
+    }
+
+    @Test
+    @RequiresFlagsDisabled(android.security.Flags.FLAG_EXTEND_ECM_TO_ALL_SETTINGS)
+    public void restrictedSettings_serviceAlreadyEnabled() {
+        when(mAppOpsManager.noteOpNoThrow(anyInt(), anyInt(), anyString())).thenReturn(
+                AppOpsManager.MODE_ERRORED);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        RestrictedSwitchPreference pref = new RestrictedSwitchPreference(
+                mContext);
+        pref.setAppOps(mAppOpsManager);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void enable() {
+        mController.enable(mCn);
+        verify(mFeatureFactory.metricsFeatureProvider).action(
+                mContext,
+                MetricsProto.MetricsEvent.APP_SPECIAL_PERMISSION_NOTIVIEW_ALLOW,
+                "a");
+
+        verify(mNm).setNotificationListenerAccessGranted(mCn, true);
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_MODES_API)
+    public void disable() {
+        mController.disable(mCn);
+        verify(mFeatureFactory.metricsFeatureProvider).action(
+                mContext,
+                MetricsProto.MetricsEvent.APP_SPECIAL_PERMISSION_NOTIVIEW_ALLOW,
+                "a");
+
+        verify(mNm).removeAutomaticZenRules(eq(mCn.getPackageName()), eq(true));
+        verify(mNm).setNotificationListenerAccessGranted(mCn, false);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/BridgedAppsLinkPreferenceControllerTest.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_CONVERSATIONS;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.DISABLED_DEPENDENT_SETTING;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.os.Build;
+import android.service.notification.NotificationListenerFilter;
+
+import androidx.preference.Preference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class BridgedAppsLinkPreferenceControllerTest {
+
+    private Context mContext;
+    private BridgedAppsLinkPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new BridgedAppsLinkPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void testAvailable_notGranted() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(false);
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+
+        // disables field
+        Preference p = new Preference(mContext);
+        mController.updateState(p);
+        assertThat(p.isEnabled()).isFalse();
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_noCustomizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+
+        // disables field
+        Preference p = new Preference(mContext);
+        mController.updateState(p);
+        assertThat(p.isEnabled()).isFalse();
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_customizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        NotificationListenerFilter nlf = new NotificationListenerFilter();
+        nlf.setTypes(FLAG_FILTER_TYPE_CONVERSATIONS);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // enables field
+        Preference p = new Preference(mContext);
+        mController.updateState(p);
+        assertThat(p.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void testAvailable_highTargetSdk_noCustomizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // enables field
+        Preference p = new Preference(mContext);
+        mController.updateState(p);
+        assertThat(p.isEnabled()).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/BridgedAppsPreferenceControllerTest.java

@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_CONVERSATIONS;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_ONGOING;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.VersionedPackage;
+import android.os.Looper;
+import android.service.notification.NotificationListenerFilter;
+import android.util.ArraySet;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+import com.android.settings.widget.AppCheckBoxPreference;
+import com.android.settingslib.applications.ApplicationsState;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+
+@RunWith(AndroidJUnit4.class)
+public class BridgedAppsPreferenceControllerTest {
+
+    private Context mContext;
+    private BridgedAppsPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    PreferenceScreen mScreen;
+    @Mock
+    ApplicationsState mAppState;
+
+    private ApplicationsState.AppEntry mAppEntry;
+    private ApplicationsState.AppEntry mAppEntry2;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+
+        ApplicationInfo ai = new ApplicationInfo();
+        ai.packageName = "pkg";
+        ai.uid = 12300;
+        ai.sourceDir = "";
+        ApplicationInfo ai2 = new ApplicationInfo();
+        ai2.packageName = "another";
+        ai2.uid = 18800;
+        ai2.sourceDir = "";
+        mAppEntry = new ApplicationsState.AppEntry(mContext, ai, 0);
+        mAppEntry2 = new ApplicationsState.AppEntry(mContext, ai2, 1);
+
+        mAppEntry.info = ai;
+        mAppEntry.label = "hi";
+
+        mController = new BridgedAppsPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setUserId(0);
+        mController.setAppState(mAppState);
+        mController.displayPreference(mScreen);
+    }
+
+    @Test
+    public void onRebuildComplete_AddsToScreen() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        ArrayList<ApplicationsState.AppEntry> entries = new ArrayList<>();
+        entries.add(mAppEntry);
+        entries.add(mAppEntry2);
+
+        mController.onRebuildComplete(entries);
+
+        assertThat(mScreen.getPreferenceCount()).isEqualTo(2);
+    }
+
+    @Test
+    public void onRebuildComplete_doesNotReaddToScreen() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        AppCheckBoxPreference p = mock(AppCheckBoxPreference.class);
+        when(p.getKey()).thenReturn("pkg|12300");
+        mScreen.addPreference(p);
+
+        ArrayList<ApplicationsState.AppEntry> entries = new ArrayList<>();
+        entries.add(mAppEntry);
+        entries.add(mAppEntry2);
+
+        mController.onRebuildComplete(entries);
+
+        assertThat(mScreen.getPreferenceCount()).isEqualTo(2);
+    }
+
+    @Test
+    public void onRebuildComplete_removesExtras() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        Preference p = mock(Preference.class);
+        when(p.getKey()).thenReturn("pkg|123");
+        mScreen.addPreference(p);
+
+        ArrayList<ApplicationsState.AppEntry> entries = new ArrayList<>();
+        entries.add(mAppEntry);
+        entries.add(mAppEntry2);
+
+        mController.onRebuildComplete(entries);
+
+        assertThat((Preference) mScreen.findPreference("pkg|123")).isNull();
+    }
+
+    @Test
+    public void onRebuildComplete_buildsSetting() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        ArrayList<ApplicationsState.AppEntry> entries = new ArrayList<>();
+        entries.add(mAppEntry);
+
+        mController.onRebuildComplete(entries);
+
+        AppCheckBoxPreference actual = mScreen.findPreference("pkg|12300");
+
+        assertThat(actual.isChecked()).isTrue();
+        assertThat(actual.getTitle()).isEqualTo("hi");
+        assertThat(actual.getIcon()).isNotNull();
+    }
+
+    @Test
+    public void onPreferenceChange_false() {
+        VersionedPackage vp = new VersionedPackage("pkg", 10567);
+        ArraySet<VersionedPackage> vps = new ArraySet<>();
+        vps.add(vp);
+        NotificationListenerFilter nlf = new NotificationListenerFilter(FLAG_FILTER_TYPE_ONGOING
+                | FLAG_FILTER_TYPE_CONVERSATIONS, vps);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        AppCheckBoxPreference pref = new AppCheckBoxPreference(mContext);
+        pref.setKey("pkg|567");
+
+        mController.onPreferenceChange(pref, false);
+
+        ArgumentCaptor<NotificationListenerFilter> captor =
+                ArgumentCaptor.forClass(NotificationListenerFilter.class);
+        verify(mNm).setListenerFilter(eq(mCn), eq(0), captor.capture());
+        assertThat(captor.getValue().getDisallowedPackages()).contains(
+                new VersionedPackage("pkg", 567));
+        assertThat(captor.getValue().getDisallowedPackages()).contains(
+                new VersionedPackage("pkg", 10567));
+    }
+
+    @Test
+    public void onPreferenceChange_true() {
+        VersionedPackage vp = new VersionedPackage("pkg", 567);
+        VersionedPackage vp2 = new VersionedPackage("pkg", 10567);
+        ArraySet<VersionedPackage> vps = new ArraySet<>();
+        vps.add(vp);
+        vps.add(vp2);
+        NotificationListenerFilter nlf = new NotificationListenerFilter(FLAG_FILTER_TYPE_ONGOING
+                | FLAG_FILTER_TYPE_CONVERSATIONS, vps);
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        AppCheckBoxPreference pref = new AppCheckBoxPreference(mContext);
+        pref.setKey("pkg|567");
+
+        mController.onPreferenceChange(pref, true);
+
+        ArgumentCaptor<NotificationListenerFilter> captor =
+                ArgumentCaptor.forClass(NotificationListenerFilter.class);
+        verify(mNm).setListenerFilter(eq(mCn), eq(0), captor.capture());
+        assertThat(captor.getValue().getDisallowedPackages().size()).isEqualTo(1);
+        assertThat(captor.getValue().getDisallowedPackages()).contains(
+                new VersionedPackage("pkg", 10567));
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/ConversationTypeFilterPreferenceControllerTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_CONVERSATIONS;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_SILENT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ServiceInfo;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class ConversationTypeFilterPreferenceControllerTest {
+
+    private Context mContext;
+    private ConversationTypeFilterPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    ServiceInfo mSi = new ServiceInfo();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new ConversationTypeFilterPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setServiceInfo(mSi);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void getType() {
+        assertThat(mController.getType()).isEqualTo(FLAG_FILTER_TYPE_CONVERSATIONS);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/MoreSettingsPreferenceControllerTest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.service.notification.NotificationListenerService;
+
+import androidx.preference.Preference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.google.common.collect.ImmutableList;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class MoreSettingsPreferenceControllerTest {
+
+    Context mContext;
+    private MoreSettingsPreferenceController mController;
+    @Mock
+    PackageManager mPm;
+    final String mPkg = "pkg";
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new MoreSettingsPreferenceController(mContext);
+        mController.setPackage(mPkg);
+        mController.setPackageManager(mPm);
+
+    }
+
+    @Test
+    public void getAvailabilityStatus_available() {
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        when(mPm.queryIntentActivities(captor.capture(), any())).thenReturn(
+                ImmutableList.of(mock(ResolveInfo.class)));
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+        assertThat(captor.getValue().getPackage()).isEqualTo(mPkg);
+        assertThat(captor.getValue().getAction()).contains(
+                NotificationListenerService.ACTION_SETTINGS_HOME);
+    }
+
+    @Test
+    public void getAvailabilityStatus_notAvailable() {
+        ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
+        when(mPm.queryIntentActivities(captor.capture(), any())).thenReturn(ImmutableList.of());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void updateState() {
+        Preference preference = new Preference(mContext);
+        mController.updateState(preference);
+
+        assertThat(preference.getIntent().getPackage()).isEqualTo(mPkg);
+        assertThat(preference.getIntent().getAction()).isEqualTo(
+                NotificationListenerService.ACTION_SETTINGS_HOME);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/OWNERS

@@ -0,0 +1,4 @@
+# Default reviewers for this and subdirectories.
+beverlyt@google.com
+dsandler@android.com
+juliacr@google.com

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/OngoingTypeFilterPreferenceControllerTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_ONGOING;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_SILENT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ServiceInfo;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class OngoingTypeFilterPreferenceControllerTest {
+
+    private Context mContext;
+    private OngoingTypeFilterPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    ServiceInfo mSi = new ServiceInfo();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new OngoingTypeFilterPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setServiceInfo(mSi);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void getType() {
+        assertThat(mController.getType()).isEqualTo(FLAG_FILTER_TYPE_ONGOING);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/PreUpgradePreferenceControllerTest.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_CONVERSATIONS;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.os.Build;
+import android.service.notification.NotificationListenerFilter;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class PreUpgradePreferenceControllerTest {
+
+    private Context mContext;
+    private PreUpgradePreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new PreUpgradePreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_noCustomizations() {
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_customizations() {
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        NotificationListenerFilter nlf = new NotificationListenerFilter();
+        nlf.setTypes(FLAG_FILTER_TYPE_CONVERSATIONS);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void testAvailable_highTargetSdk_noCustomizations() {
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/SilentTypeFilterPreferenceControllerTest.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_SILENT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ServiceInfo;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class SilentTypeFilterPreferenceControllerTest {
+
+    private Context mContext;
+    private SilentTypeFilterPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    ServiceInfo mSi = new ServiceInfo();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new SilentTypeFilterPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setServiceInfo(mSi);
+        mController.setUserId(0);
+    }
+
+    @Test
+    public void getType() {
+        assertThat(mController.getType()).isEqualTo(FLAG_FILTER_TYPE_SILENT);
+    }
+}

Settings/tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/TypeFilterPreferenceControllerTest.java

@@ -0,0 +1,264 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications.specialaccess.notificationaccess;
+
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_CONVERSATIONS;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_ONGOING;
+import static android.service.notification.NotificationListenerService.FLAG_FILTER_TYPE_SILENT;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.DISABLED_DEPENDENT_SETTING;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.ServiceInfo;
+import android.os.Build;
+import android.os.Bundle;
+import android.service.notification.NotificationListenerFilter;
+import android.service.notification.NotificationListenerService;
+import android.util.ArraySet;
+
+import androidx.preference.CheckBoxPreference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.notification.NotificationBackend;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Set;
+
+@RunWith(AndroidJUnit4.class)
+public class TypeFilterPreferenceControllerTest {
+
+    private Context mContext;
+    private TypeFilterPreferenceController mController;
+    @Mock
+    NotificationBackend mNm;
+    ComponentName mCn = new ComponentName("a", "b");
+    ServiceInfo mSi = new ServiceInfo();
+
+    private static class TestTypeFilterPreferenceController extends TypeFilterPreferenceController {
+
+        public TestTypeFilterPreferenceController(Context context, String key) {
+            super(context, key);
+        }
+
+        @Override
+        protected int getType() {
+            return 32;
+        }
+    }
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+
+        mController = new TestTypeFilterPreferenceController(mContext, "key");
+        mController.setCn(mCn);
+        mController.setNm(mNm);
+        mController.setServiceInfo(mSi);
+        mController.setUserId(0);
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+    }
+
+    @Test
+    public void testAvailable_notGranted() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(false);
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_noCustomizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+    }
+
+    @Test
+    public void testAvailable_lowTargetSdk_customizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.S);
+        NotificationListenerFilter nlf = new NotificationListenerFilter();
+        nlf.setTypes(FLAG_FILTER_TYPE_CONVERSATIONS);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void testAvailable_highTargetSdk_noCustomizations() {
+        when(mNm.isNotificationListenerAccessGranted(any())).thenReturn(true);
+        mController.setTargetSdk(Build.VERSION_CODES.CUR_DEVELOPMENT + 1);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void updateState_enabled_noMetaData() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void updateState_enabled_metaData_notTheDisableFilter() {
+        mSi.metaData = new Bundle();
+        mSi.metaData.putCharSequence("test", "value");
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void updateState_enabled_metaData_disableFilter_notThisField() {
+        mSi.metaData = new Bundle();
+        mSi.metaData.putCharSequence(NotificationListenerService.META_DATA_DISABLED_FILTER_TYPES, 
+                "1|alerting");
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void updateState_enabled_metaData_disableFilter_thisField_stateIsChecked() {
+        mSi.metaData = new Bundle();
+        mSi.metaData.putCharSequence(NotificationListenerService.META_DATA_DISABLED_FILTER_TYPES,
+                "conversations|2|32");
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(
+                new NotificationListenerFilter(32, new ArraySet<>()));
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void updateState_disabled() {
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(false);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(new NotificationListenerFilter());
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isEnabled()).isFalse();
+    }
+
+    @Test
+    public void updateState_disabled_metaData_disableFilter_thisField_stateIsNotChecked() {
+        mSi.metaData = new Bundle();
+        mSi.metaData.putCharSequence(NotificationListenerService.META_DATA_DISABLED_FILTER_TYPES,
+                "1|2|32");
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        NotificationListenerFilter before = new NotificationListenerFilter(4, new ArraySet<>());
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(before);
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.updateState(pref);
+        assertThat(pref.isChecked()).isFalse();
+        assertThat(pref.isEnabled()).isFalse();
+    }
+
+    @Test
+    public void updateState_checked() {
+        NotificationListenerFilter nlf = new NotificationListenerFilter(mController.getType(),
+                new ArraySet<>());
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+        mController.updateState(pref);
+
+        assertThat(pref.isChecked()).isTrue();
+    }
+
+    @Test
+    public void updateState_unchecked() {
+        NotificationListenerFilter nlf = new NotificationListenerFilter(mController.getType() - 1,
+                new ArraySet<>());
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+        mController.updateState(pref);
+
+        assertThat(pref.isChecked()).isFalse();
+    }
+
+    @Test
+    public void onPreferenceChange_true() {
+        NotificationListenerFilter nlf = new NotificationListenerFilter(FLAG_FILTER_TYPE_ONGOING
+                | FLAG_FILTER_TYPE_CONVERSATIONS, new ArraySet<>());
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.onPreferenceChange(pref, true);
+
+        ArgumentCaptor<NotificationListenerFilter> captor =
+                ArgumentCaptor.forClass(NotificationListenerFilter.class);
+        verify(mNm).setListenerFilter(eq(mCn), eq(0), captor.capture());
+        assertThat(captor.getValue().getTypes()).isEqualTo(FLAG_FILTER_TYPE_CONVERSATIONS
+                | FLAG_FILTER_TYPE_ONGOING | mController.getType());
+    }
+
+    @Test
+    public void onPreferenceChange_false() {
+        NotificationListenerFilter nlf = new NotificationListenerFilter(FLAG_FILTER_TYPE_ONGOING
+                | FLAG_FILTER_TYPE_CONVERSATIONS | mController.getType(), new ArraySet<>());
+        when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);
+        when(mNm.getListenerFilter(mCn, 0)).thenReturn(nlf);
+
+        CheckBoxPreference pref = new CheckBoxPreference(mContext);
+
+        mController.onPreferenceChange(pref, false);
+
+        ArgumentCaptor<NotificationListenerFilter> captor =
+                ArgumentCaptor.forClass(NotificationListenerFilter.class);
+        verify(mNm).setListenerFilter(eq(mCn), eq(0), captor.capture());
+        assertThat(captor.getValue().getTypes()).isEqualTo(FLAG_FILTER_TYPE_CONVERSATIONS
+                | FLAG_FILTER_TYPE_ONGOING);
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/BiometricNavigationUtilsTest.java

@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class BiometricNavigationUtilsTest {
+
+    private static final String SETTINGS_CLASS_NAME = "SettingsClassName";
+    private static final String EXTRA_KEY = "EXTRA_KEY";
+    private static final ComponentName COMPONENT_NAME = new ComponentName("package", "class");
+    private static final int ADMIN_USER_ID = 2;
+
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private ActivityResultLauncher<Intent> mLauncher;
+    private Context mContext;
+    private BiometricNavigationUtils mBiometricNavigationUtils;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
+        doNothing().when(mContext).startActivity(any());
+        mBiometricNavigationUtils = new BiometricNavigationUtils(UserHandle.myUserId());
+    }
+
+    @Test
+    public void launchBiometricSettings_quietMode_launchesQuiteModeDialog() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(true);
+
+        mBiometricNavigationUtils.launchBiometricSettings(mContext, SETTINGS_CLASS_NAME,
+                Bundle.EMPTY, null);
+
+        assertQuietModeDialogLaunchRequested();
+    }
+
+    @Test
+    public void launchBiometricSettings_quietMode_returnsFalse() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(true);
+
+        assertThat(mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, Bundle.EMPTY, null)).isFalse();
+    }
+
+    @Test
+    public void launchBiometricSettings_quietMode_withLauncher_notThroughLauncher() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(true);
+
+        mBiometricNavigationUtils.launchBiometricSettings(mContext, SETTINGS_CLASS_NAME,
+                Bundle.EMPTY, mLauncher);
+
+        verify(mLauncher, never()).launch(any(Intent.class));
+    }
+
+    @Test
+    public void launchBiometricSettings_noQuietMode_emptyExtras_launchesFragmentWithoutExtras() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, Bundle.EMPTY, null);
+
+        assertSettingsPageLaunchRequested(false /* shouldContainExtras */);
+    }
+
+    @Test
+    public void launchBiometricSettings_noQuietMode_emptyExtras_returnsTrue() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        assertThat(mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, Bundle.EMPTY, null)).isTrue();
+    }
+
+    @Test
+    public void launchBiometricSettings_noQuietMode_withExtras_launchesFragmentWithExtras() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        final Bundle extras = createNotEmptyExtras();
+        mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, extras, null);
+
+        assertSettingsPageLaunchRequested(true /* shouldContainExtras */);
+    }
+
+    @Test
+    public void launchBiometricSettings_noQuietMode_withLauncher_launchesThroughLauncher() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        final Bundle extras = createNotEmptyExtras();
+        mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, extras, mLauncher);
+
+        verify(mLauncher).launch(any(Intent.class));
+    }
+
+    @Test
+    public void launchBiometricSettings_noQuietMode_withExtras_returnsTrue() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        assertThat(mBiometricNavigationUtils.launchBiometricSettings(
+                mContext, SETTINGS_CLASS_NAME, createNotEmptyExtras(), null)).isTrue();
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_quietMode_returnsQuiteModeDialogIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(true);
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, null /* enforcedAdmin */, Bundle.EMPTY);
+
+        assertQuietModeDialogIntent(intent);
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_noQuietMode_emptyExtras_returnsSettingsIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, null /* enforcedAdmin */, Bundle.EMPTY);
+
+        assertSettingsPageIntent(intent, false /* shouldContainExtras */);
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_noQuietMode_withExtras_returnsSettingsIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, null /* enforcedAdmin */, createNotEmptyExtras());
+
+        assertSettingsPageIntent(intent, true /* shouldContainExtras */);
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_whenDisabledByAdmin_quietMode_returnsBlockedIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(true);
+        final EnforcedAdmin enforcedAdmin = new EnforcedAdmin(
+                COMPONENT_NAME, UserHandle.of(ADMIN_USER_ID));
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, enforcedAdmin, Bundle.EMPTY);
+
+        assertBlockedByAdminDialogIntent(intent);
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_whenDisabledByAdmin_emptyExtras_returnsBlockedIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+        final EnforcedAdmin enforcedAdmin = new EnforcedAdmin(
+                COMPONENT_NAME, UserHandle.of(ADMIN_USER_ID));
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, enforcedAdmin, Bundle.EMPTY);
+
+        assertBlockedByAdminDialogIntent(intent);
+    }
+
+    @Test
+    public void getBiometricSettingsIntent_whenDisabledByAdmin_withExtras_returnsBlockedIntent() {
+        when(mUserManager.isQuietModeEnabled(any())).thenReturn(false);
+        final EnforcedAdmin enforcedAdmin = new EnforcedAdmin(
+                COMPONENT_NAME, UserHandle.of(ADMIN_USER_ID));
+
+        final Intent intent = mBiometricNavigationUtils.getBiometricSettingsIntent(
+                mContext, SETTINGS_CLASS_NAME, enforcedAdmin, Bundle.EMPTY);
+
+        assertBlockedByAdminDialogIntent(intent);
+    }
+
+    private Bundle createNotEmptyExtras() {
+        final Bundle bundle = new Bundle();
+        bundle.putInt(EXTRA_KEY, 0);
+        return bundle;
+    }
+
+    private void assertQuietModeDialogLaunchRequested() {
+        ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mContext).startActivity(intentCaptor.capture());
+
+        Intent intent = intentCaptor.getValue();
+        assertQuietModeDialogIntent(intent);
+    }
+
+    private void assertQuietModeDialogIntent(Intent intent) {
+        assertThat(intent.getComponent().getPackageName())
+                .isEqualTo("android");
+        assertThat(intent.getComponent().getClassName())
+                .isEqualTo("com.android.internal.app.UnlaunchableAppActivity");
+    }
+
+    private void assertBlockedByAdminDialogIntent(Intent intent) {
+        assertThat(intent.getAction()).isEqualTo(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS);
+        assertThat(
+                (ComponentName) intent.getParcelableExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN))
+                .isEqualTo(COMPONENT_NAME);
+    }
+
+    private void assertSettingsPageLaunchRequested(boolean shouldContainExtras) {
+        ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mContext).startActivity(intentCaptor.capture());
+
+        Intent intent = intentCaptor.getValue();
+        assertSettingsPageIntent(intent, shouldContainExtras);
+    }
+
+    private void assertSettingsPageIntent(Intent intent, boolean shouldContainExtras) {
+        assertThat(intent.getComponent().getPackageName())
+                .isEqualTo("com.android.settings");
+        assertThat(intent.getComponent().getClassName())
+                .isEqualTo(SETTINGS_CLASS_NAME);
+        assertThat(intent.getExtras().containsKey(EXTRA_KEY)).isEqualTo(shouldContainExtras);
+    }
+
+}

Settings/tests/unit/src/com/android/settings/biometrics/GatekeeperPasswordProviderTest.java

@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics;
+
+import static com.android.settings.biometrics.BiometricUtils.GatekeeperCredentialNotMatchException;
+import static com.android.settings.biometrics.GatekeeperPasswordProvider.containsGatekeeperPasswordHandle;
+import static com.android.settings.biometrics.GatekeeperPasswordProvider.getGatekeeperPasswordHandle;
+import static com.android.settings.password.ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.only;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Intent;
+
+import androidx.annotation.NonNull;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.internal.widget.VerifyCredentialResponse;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+@RunWith(AndroidJUnit4.class)
+public class GatekeeperPasswordProviderTest {
+
+    @Rule public final MockitoRule mockito = MockitoJUnit.rule();
+
+    @Mock private LockPatternUtils mLockPatternUtils;
+    private GatekeeperPasswordProvider mGatekeeperPasswordProvider;
+
+    @Before
+    public void setUp() {
+        mGatekeeperPasswordProvider = new GatekeeperPasswordProvider(mLockPatternUtils);
+    }
+
+    @Test
+    public void testRequestGatekeeperHatWithHandle_success() {
+        final long gkPwHandle = 1L;
+        final long challenge = 2L;
+        final int userId = 0;
+        final byte[] expectedToken = new byte[] { 3, 2, 1 };
+        when(mLockPatternUtils.verifyGatekeeperPasswordHandle(gkPwHandle, challenge, userId))
+                .thenReturn(newGoodCredential(gkPwHandle, expectedToken));
+        final byte[] actualToken = mGatekeeperPasswordProvider.requestGatekeeperHat(gkPwHandle,
+                challenge, userId);
+        assertThat(actualToken).isNotNull();
+        assertThat(actualToken.length).isEqualTo(expectedToken.length);
+        for (int i = 0; i < actualToken.length; ++i) {
+            assertWithMessage("actualToken[" + i + "] is " + actualToken[i] + " not "
+                    + expectedToken[i]).that(actualToken[i]).isEqualTo(expectedToken[i]);
+        }
+    }
+
+    @Test(expected = GatekeeperCredentialNotMatchException.class)
+    public void testRequestGatekeeperHatWithHandle_GatekeeperCredentialNotMatchException() {
+        final long gkPwHandle = 10L;
+        final long challenge = 20L;
+        final int userId = 300;
+        when(mLockPatternUtils.verifyGatekeeperPasswordHandle(gkPwHandle, challenge, userId))
+                .thenReturn(newBadCredential(0));
+
+        mGatekeeperPasswordProvider.requestGatekeeperHat(gkPwHandle, challenge, userId);
+    }
+
+    @Test
+    public void testRequestGatekeeperHatWithIntent_success() {
+        final long gkPwHandle = 11L;
+        final long challenge = 21L;
+        final int userId = 145;
+        final byte[] expectedToken = new byte[] { 4, 5, 6, 7 };
+        when(mLockPatternUtils.verifyGatekeeperPasswordHandle(gkPwHandle, challenge, userId))
+                .thenReturn(newGoodCredential(gkPwHandle, expectedToken));
+        final byte[] actualToken = mGatekeeperPasswordProvider.requestGatekeeperHat(
+                new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, gkPwHandle), challenge, userId);
+        assertThat(actualToken).isNotNull();
+        assertThat(actualToken.length).isEqualTo(expectedToken.length);
+        for (int i = 0; i < actualToken.length; ++i) {
+            assertWithMessage("actualToken[" + i + "] is " + actualToken[i] + " not "
+                    + expectedToken[i]).that(actualToken[i]).isEqualTo(expectedToken[i]);
+        }
+    }
+
+    @Test(expected = GatekeeperCredentialNotMatchException.class)
+    public void testRequestGatekeeperHatWithIntent_GatekeeperCredentialNotMatchException() {
+        final long gkPwHandle = 12L;
+        final long challenge = 22L;
+        final int userId = 0;
+        when(mLockPatternUtils.verifyGatekeeperPasswordHandle(gkPwHandle, challenge, userId))
+                .thenReturn(newBadCredential(0));
+
+        mGatekeeperPasswordProvider.requestGatekeeperHat(
+                new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, gkPwHandle), challenge, userId);
+    }
+
+    @Test(expected = IllegalStateException.class)
+    public void testRequestGatekeeperHatWithIntent_IllegalStateException() {
+        mGatekeeperPasswordProvider.requestGatekeeperHat(new Intent(), 1L, 0);
+    }
+
+    @Test
+    public void testContainsGatekeeperPasswordHandle() {
+        assertThat(containsGatekeeperPasswordHandle(null)).isEqualTo(false);
+        assertThat(containsGatekeeperPasswordHandle(new Intent())).isEqualTo(false);
+        assertThat(containsGatekeeperPasswordHandle(
+                new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, 2L))).isEqualTo(true);
+    }
+
+    @Test
+    public void testGetGatekeeperPasswordHandle() {
+        assertThat(getGatekeeperPasswordHandle(new Intent())).isEqualTo(0L);
+        assertThat(getGatekeeperPasswordHandle(
+                new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, 3L))).isEqualTo(3L);
+    }
+
+    @Test
+    public void testRemoveGatekeeperPasswordHandleAsHandle() {
+        final long gkPwHandle = 1L;
+        doNothing().when(mLockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle);
+
+        mGatekeeperPasswordProvider.removeGatekeeperPasswordHandle(gkPwHandle);
+
+        verify(mLockPatternUtils, only()).removeGatekeeperPasswordHandle(gkPwHandle);
+    }
+
+    @Test
+    public void testRemoveGatekeeperPasswordHandleAsIntent() {
+        final long gkPwHandle = 1234L;
+        final Intent intent = new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, gkPwHandle);
+        doNothing().when(mLockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle);
+
+        mGatekeeperPasswordProvider.removeGatekeeperPasswordHandle(intent, false);
+
+        verify(mLockPatternUtils, only()).removeGatekeeperPasswordHandle(gkPwHandle);
+        assertThat(intent.getLongExtra(EXTRA_KEY_GK_PW_HANDLE, 0L)).isEqualTo(gkPwHandle);
+    }
+
+    @Test
+    public void testRemoveGatekeeperPasswordHandleAsIntent_removeKey() {
+        final long gkPwHandle = 1234L;
+        final Intent intent = new Intent().putExtra(EXTRA_KEY_GK_PW_HANDLE, gkPwHandle);
+        doNothing().when(mLockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle);
+
+        mGatekeeperPasswordProvider.removeGatekeeperPasswordHandle(intent, true);
+
+        verify(mLockPatternUtils, only()).removeGatekeeperPasswordHandle(gkPwHandle);
+        assertThat(intent.hasExtra(EXTRA_KEY_GK_PW_HANDLE)).isEqualTo(false);
+    }
+
+    private VerifyCredentialResponse newGoodCredential(long gkPwHandle, @NonNull byte[] hat) {
+        return new VerifyCredentialResponse.Builder()
+                .setGatekeeperPasswordHandle(gkPwHandle)
+                .setGatekeeperHAT(hat)
+                .build();
+    }
+
+    private VerifyCredentialResponse newBadCredential(int timeout) {
+        if (timeout > 0) {
+            return VerifyCredentialResponse.fromTimeout(timeout);
+        } else {
+            return VerifyCredentialResponse.fromError();
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/OWNERS

@@ -0,0 +1 @@
+include /src/com/android/settings/biometrics/OWNERS

Settings/tests/unit/src/com/android/settings/biometrics/ParentalConsentHelperTest.java

@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics;
+
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FACE;
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FINGERPRINT;
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_NONE;
+
+import static com.android.settings.biometrics.BiometricEnrollBase.EXTRA_KEY_MODALITY;
+import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_CONSENT_DENIED;
+import static com.android.settings.biometrics.BiometricEnrollBase.RESULT_CONSENT_GRANTED;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.hardware.biometrics.BiometricAuthenticator;
+import android.util.Pair;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.biometrics.face.FaceEnrollParentalConsent;
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollParentalConsent;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RunWith(AndroidJUnit4.class)
+public class ParentalConsentHelperTest {
+
+    private static final int REQUEST_CODE = 12;
+
+    @Rule
+    public final MockitoRule mMocks = MockitoJUnit.rule();
+
+    @Mock
+    private Activity mRootActivity;
+    @Mock
+    private Intent mRootActivityIntent;
+    @Captor
+    ArgumentCaptor<Intent> mLastStarted;
+
+    @Before
+    public void setup() {
+        when(mRootActivity.getIntent()).thenAnswer(invocation -> mRootActivityIntent);
+        when(mRootActivityIntent.getBundleExtra(any())).thenAnswer(invocation -> null);
+        when(mRootActivityIntent.getStringExtra(any())).thenAnswer(invocation -> null);
+        when(mRootActivityIntent.getBooleanExtra(any(), anyBoolean()))
+                .thenAnswer(invocation -> invocation.getArguments()[1]);
+    }
+
+    @Test
+    public void testLaunchNext__fingerprint_all_consent() {
+        testLaunchNext(
+                true /* requireFace */, true /* grantFace */,
+                true /* requireFingerprint */, true /* grantFace */,
+                90 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_nothing_to_consent() {
+        testLaunchNext(
+                false /* requireFace */, false /* grantFace */,
+                false /* requireFingerprint */, false /* grantFace */,
+                80 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_face_and_fingerprint_no_consent() {
+        testLaunchNext(
+                true /* requireFace */, false /* grantFace */,
+                true /* requireFingerprint */, false /* grantFace */,
+                70 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_face_and_fingerprint_only_face_consent() {
+        testLaunchNext(
+                true /* requireFace */, true /* grantFace */,
+                true /* requireFingerprint */, false /* grantFace */,
+                60 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_face_and_fingerprint_only_fingerprint_consent() {
+        testLaunchNext(
+                true /* requireFace */, false /* grantFace */,
+                true /* requireFingerprint */, true /* grantFace */,
+                50 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_face_with_consent() {
+        testLaunchNext(
+                true /* requireFace */, true /* grantFace */,
+                false /* requireFingerprint */, false /* grantFace */,
+                40 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_face_without_consent() {
+        testLaunchNext(
+                true /* requireFace */, false /* grantFace */,
+                false /* requireFingerprint */, false /* grantFace */,
+                30 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_fingerprint_with_consent() {
+        testLaunchNext(
+                false /* requireFace */, false /* grantFace */,
+                true /* requireFingerprint */, true /* grantFace */,
+                20 /* gkpw */);
+    }
+
+    @Test
+    public void testLaunchNext_fingerprint_without_consent() {
+        testLaunchNext(
+                false /* requireFace */, false /* grantFace */,
+                true /* requireFingerprint */, false /* grantFace */,
+                10 /* gkpw */);
+    }
+
+    private void testLaunchNext(
+            boolean requireFace, boolean grantFace,
+            boolean requireFingerprint, boolean grantFingerprint,
+            long gkpw) {
+        final List<Pair<String, Boolean>> expectedLaunches = new ArrayList<>();
+        if (requireFingerprint) {
+            expectedLaunches.add(
+                    new Pair(FingerprintEnrollParentalConsent.class.getName(), grantFingerprint));
+        }
+        if (requireFace) {
+            expectedLaunches.add(new Pair(FaceEnrollParentalConsent.class.getName(), grantFace));
+        }
+
+        // initial consent status
+        final ParentalConsentHelper helper = new ParentalConsentHelper(gkpw);
+        helper.setConsentRequirement(requireFace, requireFingerprint);
+        assertThat(ParentalConsentHelper.hasFaceConsent(helper.getConsentResult()))
+                .isFalse();
+        assertThat(ParentalConsentHelper.hasFingerprintConsent(helper.getConsentResult()))
+                .isFalse();
+
+        // check expected launches
+        for (int i = 0; i <= expectedLaunches.size(); i++) {
+            final Pair<String, Boolean> expected = i > 0 ? expectedLaunches.get(i - 1) : null;
+            final boolean launchedNext = i == 0
+                    ? helper.launchNext(mRootActivity, REQUEST_CODE)
+                    : helper.launchNext(mRootActivity, REQUEST_CODE,
+                            expected.second ? RESULT_CONSENT_GRANTED : RESULT_CONSENT_DENIED,
+                            getResultIntent(getStartedModality(expected.first)));
+            assertThat(launchedNext).isEqualTo(i < expectedLaunches.size());
+        }
+        verify(mRootActivity, times(expectedLaunches.size()))
+                .startActivityForResult(mLastStarted.capture(), eq(REQUEST_CODE));
+        assertThat(mLastStarted.getAllValues()
+                .stream().map(i -> i.getComponent().getClassName()).collect(Collectors.toList()))
+                .containsExactlyElementsIn(
+                        expectedLaunches.stream().map(i -> i.first).collect(Collectors.toList()))
+                .inOrder();
+        if (!expectedLaunches.isEmpty()) {
+            assertThat(mLastStarted.getAllValues()
+                    .stream().map(BiometricUtils::getGatekeeperPasswordHandle).distinct()
+                    .collect(Collectors.toList()))
+                    .containsExactly(gkpw);
+        }
+
+        // final consent status
+        assertThat(ParentalConsentHelper.hasFaceConsent(helper.getConsentResult()))
+                .isEqualTo(requireFace && grantFace);
+        assertThat(ParentalConsentHelper.hasFingerprintConsent(helper.getConsentResult()))
+                .isEqualTo(requireFingerprint && grantFingerprint);
+    }
+
+    private static Intent getResultIntent(@BiometricAuthenticator.Modality int modality) {
+        final Intent intent = new Intent();
+        intent.putExtra(EXTRA_KEY_MODALITY, modality);
+        return intent;
+    }
+
+    @BiometricAuthenticator.Modality
+    private static int getStartedModality(String name) {
+        if (name.equals(FaceEnrollParentalConsent.class.getName())) {
+            return TYPE_FACE;
+        }
+        if (name.equals(FingerprintEnrollParentalConsent.class.getName())) {
+            return TYPE_FINGERPRINT;
+        }
+        return TYPE_NONE;
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/ParentalControlsUtilsTest.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics;
+
+import static junit.framework.TestCase.assertNotNull;
+import static junit.framework.TestCase.assertNull;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FACE;
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FINGERPRINT;
+import static android.hardware.biometrics.BiometricAuthenticator.TYPE_IRIS;
+
+import android.hardware.biometrics.BiometricAuthenticator;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.annotation.Nullable;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settingslib.RestrictedLockUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class ParentalControlsUtilsTest {
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private DevicePolicyManager mDpm;
+    private ComponentName mSupervisionComponentName = new ComponentName("pkg", "cls");
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getContentResolver()).thenReturn(mock(ContentResolver.class));
+    }
+
+    /**
+     * Helper that sets the appropriate mocks and testing behavior before returning the actual
+     * EnforcedAdmin from ParentalControlsUtils.
+     */
+    @Nullable
+    private RestrictedLockUtils.EnforcedAdmin getEnforcedAdminForCombination(
+            @Nullable ComponentName supervisionComponentName,
+            @BiometricAuthenticator.Modality int modality, int keyguardDisabledFlags) {
+        when(mDpm.getProfileOwnerOrDeviceOwnerSupervisionComponent(any(UserHandle.class)))
+                .thenReturn(supervisionComponentName);
+        when(mDpm.getKeyguardDisabledFeatures(eq(supervisionComponentName)))
+                .thenReturn(keyguardDisabledFlags);
+
+        return ParentalControlsUtils.parentConsentRequiredInternal(mDpm, modality,
+                new UserHandle(UserHandle.myUserId()));
+    }
+
+    @Test
+    public void testEnforcedAdmin_whenDpmDisablesBiometricsAndSupervisionComponentExists() {
+        int[][] tests = {
+                {TYPE_FINGERPRINT, DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT},
+                {TYPE_FACE, DevicePolicyManager.KEYGUARD_DISABLE_FACE},
+                {TYPE_IRIS, DevicePolicyManager.KEYGUARD_DISABLE_IRIS},
+        };
+
+        for (int i = 0; i < tests.length; i++) {
+            RestrictedLockUtils.EnforcedAdmin admin = getEnforcedAdminForCombination(
+                    mSupervisionComponentName, tests[i][0] /* modality */,
+                    tests[i][1] /* keyguardDisableFlags */);
+            assertNotNull(admin);
+            assertEquals(UserManager.DISALLOW_BIOMETRIC, admin.enforcedRestriction);
+            assertEquals(mSupervisionComponentName, admin.component);
+        }
+    }
+
+    @Test
+    public void testNoEnforcedAdmin_whenNoSupervisionComponent() {
+        // Even if DPM flag exists, returns null EnforcedAdmin when no supervision component exists
+        RestrictedLockUtils.EnforcedAdmin admin = getEnforcedAdminForCombination(
+                null /* supervisionComponentName */, TYPE_FINGERPRINT,
+                DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT);
+        assertNull(admin);
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/combination/BiometricSettingsAppPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.combination;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class BiometricSettingsAppPreferenceControllerTest {
+
+    private Context mContext;
+    private BiometricSettingsAppPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new BiometricSettingsAppPreferenceController(mContext, "key");
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/combination/BiometricSettingsKeyguardPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.combination;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class BiometricSettingsKeyguardPreferenceControllerTest {
+
+    private Context mContext;
+    private BiometricSettingsKeyguardPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new BiometricSettingsKeyguardPreferenceController(mContext, "key");
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/combination/CombinedBiometricStatusUtilsTest.java

@@ -0,0 +1,326 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.combination;
+
+import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_FACE;
+import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.hardware.face.FaceManager;
+import android.hardware.fingerprint.Fingerprint;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.Settings;
+import com.android.settings.testutils.ResourcesUtils;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.utils.StringUtil;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class CombinedBiometricStatusUtilsTest {
+
+    private static final ComponentName COMPONENT_NAME =
+            new ComponentName("package", "class");
+    private static final int USER_ID = UserHandle.myUserId();
+    private static final UserHandle USER_HANDLE = new UserHandle(USER_ID);
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private DevicePolicyManager mDevicePolicyManager;
+    @Mock
+    private FingerprintManager mFingerprintManager;
+    @Mock
+    private FaceManager mFaceManager;
+
+    private Context mApplicationContext;
+    private CombinedBiometricStatusUtils mCombinedBiometricStatusUtils;
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = spy(ApplicationProvider.getApplicationContext());
+        when(mApplicationContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)).thenReturn(true);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FACE)).thenReturn(true);
+        when(mDevicePolicyManager.getProfileOwnerOrDeviceOwnerSupervisionComponent(USER_HANDLE))
+                .thenReturn(COMPONENT_NAME);
+        when(mApplicationContext.getSystemService(Context.FINGERPRINT_SERVICE))
+                .thenReturn(mFingerprintManager);
+        when(mApplicationContext.getSystemService(Context.DEVICE_POLICY_SERVICE))
+                .thenReturn(mDevicePolicyManager);
+        when(mApplicationContext.getSystemService(Context.FACE_SERVICE)).thenReturn(mFaceManager);
+        mCombinedBiometricStatusUtils = new CombinedBiometricStatusUtils(
+                mApplicationContext, USER_ID);
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_withoutFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_whenFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mCombinedBiometricStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_whenFingerprint_withoutFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_whenFingerprint_whenFace_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mCombinedBiometricStatusUtils.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void hasEnrolled_withoutFingerprintHardware_withoutFaceHardware_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.hasEnrolled()).isFalse();
+    }
+
+    @Test
+    public void hasEnrolled_withoutFingerprintEnroll_withoutFaceEnroll_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(false);
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.hasEnrolled()).isFalse();
+    }
+
+    @Test
+    public void hasEnrolled_withoutFingerprintEnroll_withFaceEnroll_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(false);
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+
+        assertThat(mCombinedBiometricStatusUtils.hasEnrolled()).isTrue();
+    }
+
+    @Test
+    public void hasEnrolled_withFingerprintEnroll_withoutFaceEnroll_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(true);
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.hasEnrolled()).isTrue();
+    }
+
+    @Test
+    public void hasEnrolled_withFingerprintEnroll_withFaceEnroll_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(true);
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+
+        assertThat(mCombinedBiometricStatusUtils.hasEnrolled()).isTrue();
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFingerprintDisabled_whenFaceDisabled_returnsEnforcedAdmin() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME))
+                .thenReturn(KEYGUARD_DISABLE_FACE | KEYGUARD_DISABLE_FINGERPRINT);
+
+        final RestrictedLockUtils.EnforcedAdmin admin =
+                mCombinedBiometricStatusUtils.getDisablingAdmin();
+
+        assertThat(admin).isEqualTo(new RestrictedLockUtils.EnforcedAdmin(
+                COMPONENT_NAME, UserManager.DISALLOW_BIOMETRIC, USER_HANDLE));
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFingerprintDisabled_whenFaceEnabled_returnsNull() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME))
+                .thenReturn(KEYGUARD_DISABLE_FINGERPRINT);
+
+        assertThat(mCombinedBiometricStatusUtils.getDisablingAdmin()).isNull();
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFingerprintEnabled_whenFaceDisabled_returnsNull() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME))
+                .thenReturn(KEYGUARD_DISABLE_FACE);
+
+        assertThat(mCombinedBiometricStatusUtils.getDisablingAdmin()).isNull();
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFingerprintEnabled_whenFaceEnabled_returnsNull() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME)).thenReturn(0);
+
+        assertThat(mCombinedBiometricStatusUtils.getDisablingAdmin()).isNull();
+    }
+
+    @Test
+    public void getSummary_whenFaceEnrolled_whenMultipleFingerprints_returnsBothFpMultiple() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(2));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_biometric_preference_summary_both_fp_multiple"));
+    }
+
+    @Test
+    public void getSummary_whenFaceEnrolled_whenSingleFingerprint_returnsBothFpSingle() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(1));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_biometric_preference_summary_both_fp_single"));
+    }
+
+    @Test
+    public void getSummary_whenFaceEnrolled_whenNoFingerprints_returnsFace() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(0));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_face_preference_summary"));
+    }
+
+    @Test
+    public void getSummary_whenNoFaceEnrolled_whenMultipleFingerprints_returnsFingerprints() {
+        final int enrolledFingerprintsCount = 2;
+        final int stringResId = ResourcesUtils.getResourcesId(
+                ApplicationProvider.getApplicationContext(), "string",
+                "security_settings_fingerprint_preference_summary");
+        final String summary = StringUtil.getIcuPluralsString(mApplicationContext,
+                enrolledFingerprintsCount, stringResId);
+
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(enrolledFingerprintsCount));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary()).isEqualTo(summary);
+    }
+
+    @Test
+    public void getSummary_whenNoFaceEnrolled_whenSingleFingerprints_returnsFingerprints() {
+        final int enrolledFingerprintsCount = 1;
+        final int stringResId = ResourcesUtils.getResourcesId(
+                ApplicationProvider.getApplicationContext(), "string",
+                "security_settings_fingerprint_preference_summary");
+        final String summary = StringUtil.getIcuPluralsString(mApplicationContext,
+                enrolledFingerprintsCount, stringResId);
+
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(enrolledFingerprintsCount));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary()).isEqualTo(summary);
+    }
+
+    @Test
+    public void getSummary_whenNoFaceEnrolled_whenNoFingerprints_returnsNoneEnrolled() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt()))
+                .thenReturn(createFingerprintList(0));
+
+        assertThat(mCombinedBiometricStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_biometric_preference_summary_none_enrolled"));
+    }
+
+    @Test
+    public void getSettingsClassName_returnsCombinedBiometricSettings() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.getSettingsClassName())
+                .isEqualTo(Settings.CombinedBiometricSettingsActivity.class.getName());
+    }
+
+    @Test
+    public void getProfileSettingsClassName_returnsCombinedBiometricProfileSettings() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mCombinedBiometricStatusUtils.getProfileSettingsClassName())
+                .isEqualTo(Settings.CombinedBiometricProfileSettingsActivity.class.getName());
+    }
+
+    @Test
+    public void getPrivateProfileSettingsClassName_returnsPrivateSpaceBiometricSettings() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+        mSetFlagsRule.enableFlags(
+                android.os.Flags.FLAG_ALLOW_PRIVATE_PROFILE,
+                android.multiuser.Flags.FLAG_ENABLE_BIOMETRICS_TO_UNLOCK_PRIVATE_SPACE);
+
+        assertThat(mCombinedBiometricStatusUtils.getPrivateProfileSettingsClassName())
+                .isEqualTo(Settings.PrivateSpaceBiometricSettingsActivity.class.getName());
+    }
+
+    private List<Fingerprint> createFingerprintList(int size) {
+        final List<Fingerprint> fingerprintList = new ArrayList<>(size);
+        for (int i = 0; i < size; i++) {
+            fingerprintList.add(new Fingerprint("fingerprint" + i, 0, 0));
+        }
+        return fingerprintList;
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceSettingsAppPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceSettingsAppPreferenceControllerTest {
+
+    private Context mContext;
+    private FaceSettingsAppPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new FaceSettingsAppPreferenceController(mContext);
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceSettingsAttentionPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceSettingsAttentionPreferenceControllerTest {
+
+    private Context mContext;
+    private FaceSettingsAttentionPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new FaceSettingsAttentionPreferenceController(mContext);
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceSettingsConfirmPreferenceControllerTest.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceSettingsConfirmPreferenceControllerTest {
+
+    private Context mContext;
+    private FaceSettingsConfirmPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new FaceSettingsConfirmPreferenceController(mContext);
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceSettingsEnrollButtonPreferenceControllerTest.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.widget.Button;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceSettingsEnrollButtonPreferenceControllerTest {
+    @Rule
+    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Mock
+    private Context mContext;
+    @Mock
+    private Button mButton;
+    @Mock
+    private FaceSettingsEnrollButtonPreferenceController.Listener mListener;
+
+    private FaceSettingsEnrollButtonPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mController = new FaceSettingsEnrollButtonPreferenceController(mContext);
+        mController.setListener(mListener);
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+
+    @Test
+    public void testOnClick() {
+        mController.onClick(mButton);
+
+        assertThat(mController.isClicked()).isTrue();
+        verify(mListener).onStartEnrolling(any());
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceSettingsKeyguardPreferenceControllerTest.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceSettingsKeyguardPreferenceControllerTest {
+    private Context mContext;
+    private FaceSettingsKeyguardPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new FaceSettingsKeyguardPreferenceController(mContext);
+    }
+
+    @Test
+    public void isSliceable_returnFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceStatusUtilsTest.java

@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.hardware.face.FaceManager;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.Settings;
+import com.android.settings.testutils.ResourcesUtils;
+import com.android.settingslib.RestrictedLockUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceStatusUtilsTest {
+
+    private static final ComponentName COMPONENT_NAME =
+            new ComponentName("package", "class");
+    private static final int USER_ID = UserHandle.myUserId();
+    private static final UserHandle USER_HANDLE = new UserHandle(USER_ID);
+
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private DevicePolicyManager mDevicePolicyManager;
+    @Mock
+    private FingerprintManager mFingerprintManager;
+    @Mock
+    private FaceManager mFaceManager;
+
+    private Context mApplicationContext;
+    private FaceStatusUtils mFaceStatusUtils;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = spy(ApplicationProvider.getApplicationContext());
+        when(mApplicationContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)).thenReturn(true);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FACE)).thenReturn(true);
+        when(mDevicePolicyManager.getProfileOwnerOrDeviceOwnerSupervisionComponent(USER_HANDLE))
+                .thenReturn(COMPONENT_NAME);
+        when(mApplicationContext.getSystemService(Context.FINGERPRINT_SERVICE))
+                .thenReturn(mFingerprintManager);
+        when(mApplicationContext.getSystemService(Context.DEVICE_POLICY_SERVICE))
+                .thenReturn(mDevicePolicyManager);
+        when(mApplicationContext.getSystemService(Context.FACE_SERVICE)).thenReturn(mFaceManager);
+        mFaceStatusUtils = new FaceStatusUtils(mApplicationContext, mFaceManager, USER_ID);
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_withoutFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mFaceStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_withFace_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mFaceStatusUtils.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_withFingerprint_withoutFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mFaceStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_withFingerprint_withFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mFaceStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void hasEnrolled_withEnrolledTemplates_returnsTrue() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+
+        assertThat(mFaceStatusUtils.hasEnrolled()).isTrue();
+    }
+
+    @Test
+    public void hasEnrolled_withoutEnrolledTemplates_returnsFalse() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mFaceStatusUtils.hasEnrolled()).isFalse();
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFaceDisabled_returnsEnforcedAdmin() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME))
+                .thenReturn(DevicePolicyManager.KEYGUARD_DISABLE_FACE);
+
+        final RestrictedLockUtils.EnforcedAdmin admin = mFaceStatusUtils.getDisablingAdmin();
+
+        assertThat(admin).isEqualTo(new RestrictedLockUtils.EnforcedAdmin(
+                COMPONENT_NAME, UserManager.DISALLOW_BIOMETRIC, USER_HANDLE));
+    }
+
+    @Test
+    public void getDisabledAdmin_withFaceEnabled_returnsNull() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME)).thenReturn(0);
+
+        assertThat(mFaceStatusUtils.getDisablingAdmin()).isNull();
+    }
+
+    @Test
+    public void getSummary_whenNotEnrolled_returnsSummaryNone() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mFaceStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_face_preference_summary_none"));
+    }
+
+    @Test
+    public void getSummary_whenEnrolled_returnsSummary() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+
+        assertThat(mFaceStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_face_preference_summary"));
+    }
+
+    @Test
+    public void getSettingsClassName_whenNotEnrolled_returnsFaceEnrollInduction() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mFaceStatusUtils.getSettingsClassName())
+                .isEqualTo(FaceEnrollIntroductionInternal.class.getName());
+    }
+
+    @Test
+    public void getSettingsClassName_whenEnrolled_returnsFaceSettings() {
+        when(mFaceManager.hasEnrolledTemplates(anyInt())).thenReturn(true);
+
+        assertThat(mFaceStatusUtils.getSettingsClassName())
+                .isEqualTo(Settings.FaceSettingsInternalActivity.class.getName());
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/face/FaceUpdaterTest.java

@@ -0,0 +1,290 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.content.Intent;
+import android.hardware.face.Face;
+import android.hardware.face.FaceEnrollCell;
+import android.hardware.face.FaceEnrollStages;
+import android.hardware.face.FaceManager;
+import android.os.CancellationSignal;
+import android.view.Surface;
+
+import androidx.annotation.Nullable;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.safetycenter.SafetyCenterManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class FaceUpdaterTest {
+
+    private static final byte[] HARDWARE_AUTH_TOKEN = new byte[] {0};
+    private static final CancellationSignal CANCELLATION_SIGNAL = new CancellationSignal();
+    private static final int USER_ID = 0;
+    private static final int ERR_MSG_ID = 0;
+    private static final int HELP_MSG_ID = 0;
+    private static final String HELP_STRING = "";
+    private static final String ERR_STRING = "";
+    private static final Face FACE =
+            new Face(/* name= */"", /* faceId */ 0, /* deviceId= */ 0L);
+    private static final int[] DISABLED_FEATURES = new int[] {0};
+    private static final boolean DEBUG_CONSENT = false;
+    private static final Surface PREVIEW_SURFACE = new Surface();
+    private static final int HELP_CODE = 0;
+    private static final CharSequence HELP_MESSAGE = "";
+    private static final FaceEnrollCell CELL =
+            new FaceEnrollCell(/* x= */ 0, /* y= */ 0, /* z= */ 0);
+    private static final int STAGE = FaceEnrollStages.UNKNOWN;
+    private static final float PAN = 0;
+    private static final float TILT = 0;
+    private static final float DISTANCE = 0;
+
+
+    @Mock private FaceManager mFaceManager;
+    @Mock private SafetyCenterManagerWrapper mSafetyCenterManagerWrapper;
+
+    private FaceUpdater mFaceUpdater;
+    private Context mContext;
+    private FaceManager.EnrollmentCallback mEnrollmentCallback;
+    private FaceManager.RemovalCallback mRemovalCallback;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+        mFaceUpdater = new FaceUpdater(mContext, mFaceManager);
+        mEnrollmentCallback = spy(new TestEnrollmentCallback());
+        mRemovalCallback = spy(new TestRemovalCallback());
+        SafetyCenterManagerWrapper.sInstance = mSafetyCenterManagerWrapper;
+    }
+
+    @Test
+    public void enroll_firstVersion_onEnrollmentCallbacks_triggerGivenCallback() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(null),
+                eq(false),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        callback.onEnrollmentProgress(/* remaining= */ 2);
+        callback.onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+        callback.onEnrollmentFrame(HELP_CODE, HELP_MESSAGE, CELL, STAGE, PAN, TILT, DISTANCE);
+
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentProgress(/* remaining= */ 2);
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+        verify(mEnrollmentCallback, atLeast(1))
+                .onEnrollmentFrame(HELP_CODE, HELP_MESSAGE, CELL, STAGE, PAN, TILT, DISTANCE);
+    }
+
+    @Test
+    public void enroll_firstVersion_onEnrollmentSuccess_invokedInteractionWithSafetyCenter() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(null),
+                eq(false),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 0);
+
+        verify(mSafetyCenterManagerWrapper, atLeast(1)).isEnabled(mContext);
+    }
+
+    @Test
+    public void enroll_firstVersion_onEnrollmentNotYetFinished_didntInvokeInteractionWithSafetyCenter() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(null),
+                eq(false),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 1);
+
+        verify(mSafetyCenterManagerWrapper, never()).isEnabled(any());
+    }
+
+    @Test
+    public void enroll_secondVersion_onEnrollmentCallbacks_triggerGivenCallback() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, PREVIEW_SURFACE, DEBUG_CONSENT, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(PREVIEW_SURFACE),
+                eq(DEBUG_CONSENT),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        callback.onEnrollmentProgress(/* remaining= */ 2);
+        callback.onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+        callback.onEnrollmentFrame(HELP_CODE, HELP_MESSAGE, CELL, STAGE, PAN, TILT, DISTANCE);
+
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentProgress(/* remaining= */ 2);
+        verify(mEnrollmentCallback, atLeast(1)).onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+        verify(mEnrollmentCallback, atLeast(1))
+                .onEnrollmentFrame(HELP_CODE, HELP_MESSAGE, CELL, STAGE, PAN, TILT, DISTANCE);
+    }
+
+    @Test
+    public void enroll_secondVersion_onEnrollmentSuccess_invokedInteractionWithSafetyCenter() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, PREVIEW_SURFACE, DEBUG_CONSENT, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(PREVIEW_SURFACE),
+                eq(DEBUG_CONSENT),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 0);
+
+        verify(mSafetyCenterManagerWrapper).isEnabled(mContext);
+    }
+
+    @Test
+    public void enroll_secondVersion_onEnrollmentNotYetFinished_didntInvokeInteractionWithSafetyCenter() {
+        ArgumentCaptor<FaceManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.EnrollmentCallback.class);
+        mFaceUpdater.enroll(USER_ID, HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, mEnrollmentCallback,
+                DISABLED_FEATURES, PREVIEW_SURFACE, DEBUG_CONSENT, new Intent());
+        verify(mFaceManager).enroll(
+                eq(USER_ID),
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                callbackCaptor.capture(),
+                same(DISABLED_FEATURES),
+                same(PREVIEW_SURFACE),
+                eq(DEBUG_CONSENT),
+                any());
+        FaceManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 1);
+
+        verify(mSafetyCenterManagerWrapper, never()).isEnabled(any());
+    }
+
+    @Test
+    public void remove_onRemovalCallbacks_triggerGivenCallback() {
+        ArgumentCaptor<FaceManager.RemovalCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.RemovalCallback.class);
+        mFaceUpdater.remove(FACE, USER_ID, mRemovalCallback);
+        verify(mFaceManager)
+                .remove(same(FACE), eq(USER_ID), callbackCaptor.capture());
+        FaceManager.RemovalCallback callback = callbackCaptor.getValue();
+
+        callback.onRemovalSucceeded(FACE, /* remaining= */ 1);
+        callback.onRemovalError(FACE, ERR_MSG_ID, ERR_STRING);
+
+        verify(mRemovalCallback).onRemovalSucceeded(any(), eq(1));
+        verify(mRemovalCallback).onRemovalError(FACE, ERR_MSG_ID, ERR_STRING);
+    }
+
+    @Test
+    public void remove_onRemovalSuccess_invokedInteractionWithSafetyCenter() {
+        ArgumentCaptor<FaceManager.RemovalCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FaceManager.RemovalCallback.class);
+        mFaceUpdater.remove(FACE, USER_ID, mRemovalCallback);
+        verify(mFaceManager)
+                .remove(same(FACE), eq(USER_ID), callbackCaptor.capture());
+        FaceManager.RemovalCallback callback = callbackCaptor.getValue();
+
+        callback.onRemovalSucceeded(FACE, /* remaining= */ 0);
+
+        verify(mSafetyCenterManagerWrapper).isEnabled(mContext);
+    }
+
+    public static class TestEnrollmentCallback extends FaceManager.EnrollmentCallback {
+        @Override
+        public void onEnrollmentError(int errMsgId, CharSequence errString) {}
+
+        @Override
+        public void onEnrollmentHelp(int helpMsgId, CharSequence helpString) {}
+
+        @Override
+        public void onEnrollmentProgress(int remaining) {}
+
+        @Override
+        public void onEnrollmentFrame(int helpCode, @Nullable CharSequence helpMessage,
+                @Nullable FaceEnrollCell cell, int stage, float pan, float tilt, float distance) {}
+    }
+
+    public static class TestRemovalCallback extends FaceManager.RemovalCallback {
+        @Override
+        public void onRemovalError(Face fp, int errMsgId, CharSequence errString) {}
+
+        @Override
+        public void onRemovalSucceeded(@Nullable Face fp, int remaining) {}
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/fingerprint/FingerprintFeatureProviderImplTest.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.fingerprint
+
+import android.content.Context
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics.fingerprint.feature.SfpsEnrollmentFeatureImpl
+import com.android.settings.biometrics.fingerprint.feature.SfpsRestToUnlockFeatureImpl
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+@RunWith(AndroidJUnit4::class)
+class FingerprintFeatureProviderImplTest {
+
+    @Mock
+    private lateinit var mContext: Context
+
+    private lateinit var mFingerprintFeatureProviderImpl: FingerprintFeatureProviderImpl
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        mFingerprintFeatureProviderImpl = FingerprintFeatureProviderImpl()
+    }
+
+    @Test
+    fun getSfpsEnrollmentFeature_returnDefaultImpl() {
+        assertThat(mFingerprintFeatureProviderImpl.sfpsEnrollmentFeature)
+            .isInstanceOf(SfpsEnrollmentFeatureImpl::class.java)
+    }
+
+    @Test
+    fun getSfpsRestToUnlockFeature_returnDefaultImpl() {
+        assertThat(mFingerprintFeatureProviderImpl.getSfpsRestToUnlockFeature(mContext))
+            .isInstanceOf(SfpsRestToUnlockFeatureImpl::class.java)
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/fingerprint/FingerprintStatusUtilsTest.java

@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.fingerprint;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.hardware.face.FaceManager;
+import android.hardware.fingerprint.Fingerprint;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.ResourcesUtils;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.utils.StringUtil;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintStatusUtilsTest {
+
+    private static final ComponentName COMPONENT_NAME =
+            new ComponentName("package", "class");
+    private static final int USER_ID = UserHandle.myUserId();
+    private static final UserHandle USER_HANDLE = new UserHandle(USER_ID);
+
+
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private DevicePolicyManager mDevicePolicyManager;
+    @Mock
+    private FingerprintManager mFingerprintManager;
+    @Mock
+    private FaceManager mFaceManager;
+
+    private Context mApplicationContext;
+    private FingerprintStatusUtils mFingerprintStatusUtils;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mApplicationContext = spy(ApplicationProvider.getApplicationContext());
+        when(mApplicationContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)).thenReturn(true);
+        when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_FACE)).thenReturn(true);
+        when(mDevicePolicyManager.getProfileOwnerOrDeviceOwnerSupervisionComponent(USER_HANDLE))
+                .thenReturn(COMPONENT_NAME);
+        when(mApplicationContext.getSystemService(Context.FINGERPRINT_SERVICE))
+                .thenReturn(mFingerprintManager);
+        when(mApplicationContext.getSystemService(Context.DEVICE_POLICY_SERVICE))
+                .thenReturn(mDevicePolicyManager);
+        when(mApplicationContext.getSystemService(Context.FACE_SERVICE)).thenReturn(mFaceManager);
+        mFingerprintStatusUtils =
+                new FingerprintStatusUtils(mApplicationContext, mFingerprintManager, USER_ID);
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_withoutFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mFingerprintStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_withoutFingerprint_withFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(false);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mFingerprintStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_withFingerprint_withoutFace_returnsTrue() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(false);
+
+        assertThat(mFingerprintStatusUtils.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_withFingerprint_withFace_returnsFalse() {
+        when(mFingerprintManager.isHardwareDetected()).thenReturn(true);
+        when(mFaceManager.isHardwareDetected()).thenReturn(true);
+
+        assertThat(mFingerprintStatusUtils.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void hasEnrolled_withEnrolledFingerprints_returnsTrue() {
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(true);
+
+        assertThat(mFingerprintStatusUtils.hasEnrolled()).isTrue();
+    }
+
+    @Test
+    public void hasEnrolled_withoutEnrolledFingerprints_returnsFalse() {
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(false);
+
+        assertThat(mFingerprintStatusUtils.hasEnrolled()).isFalse();
+    }
+
+    @Test
+    public void getDisabledAdmin_whenFingerprintDisabled_returnsEnforcedAdmin() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME))
+                .thenReturn(DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT);
+
+        final RestrictedLockUtils.EnforcedAdmin admin =
+                mFingerprintStatusUtils.getDisablingAdmin();
+
+        assertThat(admin).isEqualTo(new RestrictedLockUtils.EnforcedAdmin(
+                COMPONENT_NAME, UserManager.DISALLOW_BIOMETRIC, USER_HANDLE));
+    }
+
+    @Test
+    public void getDisabledAdmin_withFingerprintEnabled_returnsNull() {
+        when(mDevicePolicyManager.getKeyguardDisabledFeatures(COMPONENT_NAME)).thenReturn(0);
+
+        assertThat(mFingerprintStatusUtils.getDisablingAdmin()).isNull();
+    }
+
+    @Test
+    public void getSummary_whenNotEnrolled_returnsSummaryNone() {
+        when(mFingerprintManager.hasEnrolledTemplates(anyInt())).thenReturn(false);
+
+        assertThat(mFingerprintStatusUtils.getSummary())
+                .isEqualTo(ResourcesUtils.getResourcesString(
+                        mApplicationContext,
+                        "security_settings_fingerprint_preference_summary_none"));
+    }
+
+    @Test
+    public void getSummary_whenEnrolled_returnsSummary() {
+        final int enrolledFingerprintsCount = 2;
+        final int stringResId = ResourcesUtils.getResourcesId(
+                ApplicationProvider.getApplicationContext(), "string",
+                "security_settings_fingerprint_preference_summary");
+        final String summary = StringUtil.getIcuPluralsString(mApplicationContext,
+                enrolledFingerprintsCount, stringResId);
+
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(true);
+        when(mFingerprintManager.getEnrolledFingerprints(anyInt())).thenReturn(
+                createFingerprintList(enrolledFingerprintsCount));
+
+        assertThat(mFingerprintStatusUtils.getSummary()).isEqualTo(summary);
+    }
+
+    @Test
+    public void getSettingsClassName_whenNotEnrolled_returnsFingerprintSettings() {
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(false);
+
+        assertThat(mFingerprintStatusUtils.getSettingsClassName())
+                .isEqualTo(FingerprintSettings.class.getName());
+    }
+
+    @Test
+    public void getSettingsClassName_whenEnrolled_returnsFingerprintSettings() {
+        when(mFingerprintManager.hasEnrolledFingerprints(anyInt())).thenReturn(true);
+
+        assertThat(mFingerprintStatusUtils.getSettingsClassName())
+                .isEqualTo(FingerprintSettings.class.getName());
+    }
+
+    private List<Fingerprint> createFingerprintList(int size) {
+        final List<Fingerprint> fingerprintList = new ArrayList<>(size);
+        for (int i = 0; i < size; i++) {
+            fingerprintList.add(new Fingerprint("fingerprint" + i, 0, 0));
+        }
+        return fingerprintList;
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/fingerprint/FingerprintUpdaterTest.java

@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.fingerprint;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.content.Intent;
+import android.hardware.fingerprint.Fingerprint;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.CancellationSignal;
+
+import androidx.annotation.Nullable;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.safetycenter.SafetyCenterManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintUpdaterTest {
+
+    private static final byte[] HARDWARE_AUTH_TOKEN = new byte[] {0};
+    private static final CancellationSignal CANCELLATION_SIGNAL = new CancellationSignal();
+    private static final int USER_ID = 0;
+    private static final int ENROLL_REASON = 0;
+    private static final int ERR_MSG_ID = 0;
+    private static final int HELP_MSG_ID = 0;
+    private static final String HELP_STRING = "";
+    private static final String ERR_STRING = "";
+    private static final Fingerprint FINGERPRINT =
+            new Fingerprint(/* name= */"", /* fingerId */ 0, /* deviceId= */ 0L);
+
+    @Mock private FingerprintManager mFingerprintManager;
+    @Mock private SafetyCenterManagerWrapper mSafetyCenterManagerWrapper;
+
+    private FingerprintUpdater mFingerprintUpdater;
+    private Context mContext;
+    private FingerprintManager.EnrollmentCallback mEnrollmentCallback;
+    private FingerprintManager.RemovalCallback mRemovalCallback;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = ApplicationProvider.getApplicationContext();
+        mFingerprintUpdater = new FingerprintUpdater(mContext, mFingerprintManager);
+        mEnrollmentCallback = spy(new TestEntrollmentCallback());
+        mRemovalCallback = spy(new TestRemovalCallback());
+        SafetyCenterManagerWrapper.sInstance = mSafetyCenterManagerWrapper;
+    }
+
+    @Test
+    public void enroll_onEnrollmentCallbacks_triggerGivenCallback() {
+        ArgumentCaptor<FingerprintManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FingerprintManager.EnrollmentCallback.class);
+        mFingerprintUpdater.enroll(HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, USER_ID,
+                mEnrollmentCallback, ENROLL_REASON, new Intent());
+        verify(mFingerprintManager).enroll(
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                eq(USER_ID),
+                callbackCaptor.capture(),
+                eq(ENROLL_REASON),
+                any());
+        FingerprintManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        callback.onEnrollmentProgress(/* remaining= */ 2);
+        callback.onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+
+        verify(mEnrollmentCallback).onEnrollmentError(ERR_MSG_ID, ERR_STRING);
+        verify(mEnrollmentCallback).onEnrollmentProgress(/* remaining= */ 2);
+        verify(mEnrollmentCallback).onEnrollmentHelp(HELP_MSG_ID, HELP_STRING);
+    }
+
+    @Test
+    public void enroll_onEnrollmentSuccess_invokedInteractionWithSafetyCenter() {
+        ArgumentCaptor<FingerprintManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FingerprintManager.EnrollmentCallback.class);
+        mFingerprintUpdater.enroll(HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, USER_ID,
+                mEnrollmentCallback, ENROLL_REASON, new Intent());
+        verify(mFingerprintManager).enroll(
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                eq(USER_ID),
+                callbackCaptor.capture(),
+                eq(ENROLL_REASON),
+                any());
+        FingerprintManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 0);
+
+        verify(mSafetyCenterManagerWrapper).isEnabled(mContext);
+    }
+
+    @Test
+    public void enroll_onEnrollmentNotYetFinished_didntInvokeInteractionWithSafetyCenter() {
+        ArgumentCaptor<FingerprintManager.EnrollmentCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FingerprintManager.EnrollmentCallback.class);
+        mFingerprintUpdater.enroll(HARDWARE_AUTH_TOKEN, CANCELLATION_SIGNAL, USER_ID,
+                mEnrollmentCallback, ENROLL_REASON, new Intent());
+        verify(mFingerprintManager).enroll(
+                same(HARDWARE_AUTH_TOKEN),
+                same(CANCELLATION_SIGNAL),
+                eq(USER_ID),
+                callbackCaptor.capture(),
+                eq(ENROLL_REASON),
+                any());
+        FingerprintManager.EnrollmentCallback callback = callbackCaptor.getValue();
+
+        callback.onEnrollmentProgress(/* remaining= */ 1);
+
+        verify(mSafetyCenterManagerWrapper, never()).isEnabled(any());
+    }
+
+    @Test
+    public void remove_onRemovalCallbacks_triggerGivenCallback() {
+        ArgumentCaptor<FingerprintManager.RemovalCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FingerprintManager.RemovalCallback.class);
+        mFingerprintUpdater.remove(FINGERPRINT, USER_ID, mRemovalCallback);
+        verify(mFingerprintManager)
+                .remove(same(FINGERPRINT), eq(USER_ID), callbackCaptor.capture());
+        FingerprintManager.RemovalCallback callback = callbackCaptor.getValue();
+
+        callback.onRemovalSucceeded(FINGERPRINT, /* remaining= */ 1);
+        callback.onRemovalError(FINGERPRINT, ERR_MSG_ID, ERR_STRING);
+
+        verify(mRemovalCallback).onRemovalSucceeded(any(), eq(1));
+        verify(mRemovalCallback).onRemovalError(FINGERPRINT, ERR_MSG_ID, ERR_STRING);
+    }
+
+    @Test
+    public void remove_onRemovalSuccess_invokedInteractionWithSafetyCenter() {
+        ArgumentCaptor<FingerprintManager.RemovalCallback> callbackCaptor =
+                ArgumentCaptor.forClass(FingerprintManager.RemovalCallback.class);
+        mFingerprintUpdater.remove(FINGERPRINT, USER_ID, mRemovalCallback);
+        verify(mFingerprintManager)
+                .remove(same(FINGERPRINT), eq(USER_ID), callbackCaptor.capture());
+        FingerprintManager.RemovalCallback callback = callbackCaptor.getValue();
+
+        callback.onRemovalSucceeded(FINGERPRINT, /* remaining= */ 0);
+
+        verify(mSafetyCenterManagerWrapper).isEnabled(mContext);
+    }
+
+    public static class TestEntrollmentCallback extends FingerprintManager.EnrollmentCallback {
+        @Override
+        public void onEnrollmentError(int errMsgId, CharSequence errString) {}
+
+        @Override
+        public void onEnrollmentHelp(int helpMsgId, CharSequence helpString) {}
+
+        @Override
+        public void onEnrollmentProgress(int remaining) {}
+    }
+
+    public static class TestRemovalCallback extends FingerprintManager.RemovalCallback {
+        @Override
+        public void onRemovalError(Fingerprint fp, int errMsgId, CharSequence errString) {}
+
+        @Override
+        public void onRemovalSucceeded(@Nullable Fingerprint fp, int remaining) {}
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/fingerprint/feature/SfpsEnrollmentFeatureImplTest.kt

@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.fingerprint.feature
+
+import android.animation.Animator
+import android.content.Context
+import android.hardware.fingerprint.FingerprintManager
+import android.view.View
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_CENTER
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_FINGERTIP
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_LEFT_EDGE
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_NO_ANIMATION
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.SFPS_STAGE_RIGHT_EDGE
+import com.android.settings.biometrics.fingerprint.FingerprintEnrollEnrolling.STAGE_UNKNOWN
+import com.google.common.truth.Truth.assertThat
+import kotlin.math.roundToInt
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.doReturn
+import org.mockito.Mockito.mock
+import org.mockito.Spy
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.Mockito.`when` as whenever
+
+@RunWith(AndroidJUnit4::class)
+class SfpsEnrollmentFeatureImplTest {
+    private val STAGE_0 = 0
+    private val STAGE_1 = 1
+    private val STAGE_2 = 2
+    private val STAGE_3 = 3
+    private val STAGE_4 = 4
+
+    private val THRESHOLD_0 = 0f
+    private val THRESHOLD_1 = .36f
+    private val THRESHOLD_2 = .52f
+    private val THRESHOLD_3 = .76f
+    private val THRESHOLD_4 = 1f
+
+    @get:Rule
+    val mockito: MockitoRule = MockitoJUnit.rule()
+
+    @Spy
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    @Mock
+    private lateinit var mockFingerprintManager: FingerprintManager
+
+    private val mSfpsEnrollmentFeatureImpl: SfpsEnrollmentFeatureImpl = SfpsEnrollmentFeatureImpl()
+
+    @Before
+    fun setUp() {
+        whenever(context.getSystemService(FingerprintManager::class.java))
+            .thenReturn(mockFingerprintManager)
+        doReturn(THRESHOLD_0).`when`(mockFingerprintManager).getEnrollStageThreshold(STAGE_0)
+        doReturn(THRESHOLD_1).`when`(mockFingerprintManager).getEnrollStageThreshold(STAGE_1)
+        doReturn(THRESHOLD_2).`when`(mockFingerprintManager).getEnrollStageThreshold(STAGE_2)
+        doReturn(THRESHOLD_3).`when`(mockFingerprintManager).getEnrollStageThreshold(STAGE_3)
+        doReturn(THRESHOLD_4).`when`(mockFingerprintManager).getEnrollStageThreshold(STAGE_4)
+    }
+
+    @Test
+    fun testGetEnrollStageThreshold() {
+        assertThat(mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, STAGE_0))
+            .isEqualTo(THRESHOLD_0)
+        assertThat(mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, STAGE_1))
+            .isEqualTo(THRESHOLD_1)
+        assertThat(mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, STAGE_2))
+            .isEqualTo(THRESHOLD_2)
+        assertThat(mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, STAGE_3))
+            .isEqualTo(THRESHOLD_3)
+        assertThat(mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, STAGE_4))
+            .isEqualTo(THRESHOLD_4)
+    }
+
+    @Test
+    fun testGetHelpAnimator() {
+        val mockView: View = mock(View::class.java)
+        val animator: Animator = mSfpsEnrollmentFeatureImpl.getHelpAnimator(mockView)
+        assertThat(animator.duration).isEqualTo(SfpsEnrollmentFeatureImpl.HELP_ANIMATOR_DURATION)
+    }
+
+    @Test
+    fun testGetCurrentSfpsEnrollStage() {
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(0, null))
+            .isEqualTo(STAGE_UNKNOWN)
+        val mapper = { i: Int ->
+            (25 * mSfpsEnrollmentFeatureImpl.getEnrollStageThreshold(context, i)).roundToInt()
+        }
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(-1, mapper))
+            .isEqualTo(SFPS_STAGE_NO_ANIMATION)
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(0, mapper))
+            .isEqualTo(SFPS_STAGE_CENTER)
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(9, mapper))
+            .isEqualTo(SFPS_STAGE_FINGERTIP)
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(13, mapper))
+            .isEqualTo(SFPS_STAGE_LEFT_EDGE)
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(19, mapper))
+            .isEqualTo(SFPS_STAGE_RIGHT_EDGE)
+        assertThat(mSfpsEnrollmentFeatureImpl.getCurrentSfpsEnrollStage(25, mapper))
+            .isEqualTo(SFPS_STAGE_RIGHT_EDGE)
+    }
+
+    @Test
+    fun testGetFeaturedStageHeaderResource() {
+        val type = "string"
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getFeaturedStageHeaderResource(SFPS_STAGE_NO_ANIMATION)
+        ).isEqualTo(
+            getSettingsResourcesId(type, "security_settings_fingerprint_enroll_repeat_title")
+        )
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getFeaturedStageHeaderResource(SFPS_STAGE_CENTER)
+        ).isEqualTo(
+            getSettingsResourcesId(type, "security_settings_sfps_enroll_finger_center_title")
+        )
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getFeaturedStageHeaderResource(SFPS_STAGE_FINGERTIP)
+        ).isEqualTo(
+            getSettingsResourcesId(type, "security_settings_sfps_enroll_fingertip_title")
+        )
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getFeaturedStageHeaderResource(SFPS_STAGE_LEFT_EDGE)
+        ).isEqualTo(
+            getSettingsResourcesId(type, "security_settings_sfps_enroll_left_edge_title")
+        )
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getFeaturedStageHeaderResource(SFPS_STAGE_RIGHT_EDGE)
+        ).isEqualTo(
+            getSettingsResourcesId(type, "security_settings_sfps_enroll_right_edge_title")
+        )
+    }
+
+    @Test
+    fun testGetSfpsEnrollLottiePerStage() {
+        val type = "raw"
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getSfpsEnrollLottiePerStage(SFPS_STAGE_NO_ANIMATION)
+        ).isEqualTo(getSettingsResourcesId(type, "sfps_lottie_no_animation"))
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getSfpsEnrollLottiePerStage(SFPS_STAGE_CENTER)
+        ).isEqualTo(getSettingsResourcesId(type, "sfps_lottie_pad_center"))
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getSfpsEnrollLottiePerStage(SFPS_STAGE_FINGERTIP)
+        ).isEqualTo(getSettingsResourcesId(type, "sfps_lottie_tip"))
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getSfpsEnrollLottiePerStage(SFPS_STAGE_LEFT_EDGE)
+        ).isEqualTo(getSettingsResourcesId(type, "sfps_lottie_left_edge"))
+        assertThat(
+            mSfpsEnrollmentFeatureImpl.getSfpsEnrollLottiePerStage(SFPS_STAGE_RIGHT_EDGE)
+        ).isEqualTo(getSettingsResourcesId(type, "sfps_lottie_right_edge"))
+    }
+
+    private fun getSettingsResourcesId(type: String, name: String) : Int {
+        return context.resources.getIdentifier(name, type, context.packageName)
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics/fingerprint/feature/SfpsRestToUnlockFeatureImplTest.kt

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.fingerprint.feature
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.RestrictedSwitchPreference
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+
+import org.junit.runner.RunWith
+import org.mockito.Mockito
+
+@RunWith(AndroidJUnit4::class)
+class SfpsRestToUnlockFeatureImplTest {
+
+    private lateinit var mContext: Context
+
+    private lateinit var mSfpsRestToUnlockFeatureImpl: SfpsRestToUnlockFeatureImpl
+
+    private lateinit var mRestrictedSwitchPreferenceSpy: RestrictedSwitchPreference
+
+    @Before
+    fun setUp() {
+        mContext = ApplicationProvider.getApplicationContext()
+        mSfpsRestToUnlockFeatureImpl = SfpsRestToUnlockFeatureImpl()
+        mRestrictedSwitchPreferenceSpy = Mockito.spy(RestrictedSwitchPreference(mContext))
+    }
+
+    @Test
+    fun getDescriptionForSfps_isNotNull() {
+        assertThat(mSfpsRestToUnlockFeatureImpl)
+            .isInstanceOf(SfpsRestToUnlockFeatureImpl::class.java)
+        assertThat(mSfpsRestToUnlockFeatureImpl.getDescriptionForSfps(mContext))
+            .isNotNull()
+    }
+
+    @Test
+    fun getRestToUnlockLayout_isNull() {
+        assertThat(mSfpsRestToUnlockFeatureImpl)
+            .isInstanceOf(SfpsRestToUnlockFeatureImpl::class.java)
+        assertThat(mSfpsRestToUnlockFeatureImpl.getRestToUnlockLayout(mContext))
+            .isNull()
+    }
+
+    @Test
+    fun fingerprint_settings_setupFingerprintUnlockCategoryPreferences() {
+        assertThat(mSfpsRestToUnlockFeatureImpl.getRestToUnlockPreference(mContext))
+            .isNull()
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/OWNERS

@@ -0,0 +1 @@
+include /src/com/android/settings/biometrics/OWNERS

Settings/tests/unit/src/com/android/settings/biometrics2/repository/FingerprintRepositoryTest.java

@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.repository;
+
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_HOME_BUTTON;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_REAR;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_ULTRASONIC;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UNKNOWN;
+
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.newFingerprintRepository;
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.setupFingerprintEnrolledFingerprints;
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.setupSuwMaxFingerprintsEnrollable;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.hardware.biometrics.SensorProperties;
+import android.hardware.fingerprint.FingerprintManager;
+import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
+import android.hardware.fingerprint.IFingerprintAuthenticatorsRegisteredCallback;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.biometrics2.data.repository.FingerprintRepository;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+import java.util.ArrayList;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintRepositoryTest {
+
+    @Rule public final MockitoRule mockito = MockitoJUnit.rule();
+
+    @Mock private Resources mResources;
+    @Mock private FingerprintManager mFingerprintManager;
+
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forUnknownSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 1);
+        assertThat(repository.canAssumeUdfps()).isFalse();
+        assertThat(repository.canAssumeSfps()).isFalse();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forRearSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_REAR, 1);
+        assertThat(repository.canAssumeUdfps()).isFalse();
+        assertThat(repository.canAssumeSfps()).isFalse();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forUdfpsUltrasonicSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UDFPS_ULTRASONIC, 1);
+        assertThat(repository.canAssumeUdfps()).isTrue();
+        assertThat(repository.canAssumeSfps()).isFalse();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forUdfpsOpticalSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UDFPS_OPTICAL, 1);
+        assertThat(repository.canAssumeUdfps()).isTrue();
+        assertThat(repository.canAssumeSfps()).isFalse();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forPowerButtonSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_POWER_BUTTON, 1);
+        assertThat(repository.canAssumeUdfps()).isFalse();
+        assertThat(repository.canAssumeSfps()).isTrue();
+    }
+
+    @Test
+    public void testCanAssumeSensorType_forHomeButtonSensor() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_HOME_BUTTON, 1);
+        assertThat(repository.canAssumeUdfps()).isFalse();
+        assertThat(repository.canAssumeSfps()).isFalse();
+    }
+
+    @Test
+    public void testGetMaxFingerprints() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 999);
+        assertThat(repository.getMaxFingerprints()).isEqualTo(999);
+    }
+
+    @Test
+    public void testGetNumOfEnrolledFingerprintsSize() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 999);
+        setupFingerprintEnrolledFingerprints(mFingerprintManager, 10, 3);
+        setupFingerprintEnrolledFingerprints(mFingerprintManager, 22, 99);
+
+        assertThat(repository.getNumOfEnrolledFingerprintsSize(10)).isEqualTo(3);
+        assertThat(repository.getNumOfEnrolledFingerprintsSize(22)).isEqualTo(99);
+    }
+
+    @Test
+    public void testGetMaxFingerprintsInSuw() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 999);
+        setupSuwMaxFingerprintsEnrollable(mContext, mResources, 333);
+        assertThat(repository.getMaxFingerprintsInSuw(mResources))
+                .isEqualTo(333);
+
+        setupSuwMaxFingerprintsEnrollable(mContext, mResources, 20);
+        assertThat(repository.getMaxFingerprintsInSuw(mResources)).isEqualTo(20);
+    }
+
+    @Test
+    public void testGetFirstFingerprintSensorPropertiesInternal() {
+        final ArrayList<FingerprintSensorPropertiesInternal> props = new ArrayList<>();
+        final FingerprintSensorPropertiesInternal prop = new FingerprintSensorPropertiesInternal(
+                0 /* sensorId */,
+                SensorProperties.STRENGTH_STRONG,
+                5,
+                new ArrayList<>() /* componentInfo */,
+                TYPE_UDFPS_OPTICAL,
+                true /* resetLockoutRequiresHardwareAuthToken */);
+        props.add(prop);
+        doAnswer(invocation -> {
+            final IFingerprintAuthenticatorsRegisteredCallback callback =
+                    invocation.getArgument(0);
+            callback.onAllAuthenticatorsRegistered(props);
+            return null;
+        }).when(mFingerprintManager).addAuthenticatorsRegisteredCallback(any());
+
+        final FingerprintRepository repository = new FingerprintRepository(mFingerprintManager);
+        assertThat(repository.getFirstFingerprintSensorPropertiesInternal()).isEqualTo(prop);
+    }
+
+    @Test
+    public void testGetEnrollStageCount() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 999);
+
+        final int expectedValue = 24;
+        doReturn(expectedValue).when(mFingerprintManager).getEnrollStageCount();
+
+        assertThat(repository.getEnrollStageCount()).isEqualTo(expectedValue);
+    }
+
+    @Test
+    public void testGetEnrollStageThreshold() {
+        final FingerprintRepository repository = newFingerprintRepository(mFingerprintManager,
+                TYPE_UNKNOWN, 999);
+
+        final float expectedValue0 = 0.42f;
+        final float expectedValue1 = 0.24f;
+        final float expectedValue2 = 0.33f;
+        final float expectedValue3 = 0.90f;
+        doReturn(expectedValue0).when(mFingerprintManager).getEnrollStageThreshold(0);
+        doReturn(expectedValue1).when(mFingerprintManager).getEnrollStageThreshold(1);
+        doReturn(expectedValue2).when(mFingerprintManager).getEnrollStageThreshold(2);
+        doReturn(expectedValue3).when(mFingerprintManager).getEnrollStageThreshold(3);
+
+        assertThat(repository.getEnrollStageThreshold(2)).isEqualTo(expectedValue2);
+        assertThat(repository.getEnrollStageThreshold(1)).isEqualTo(expectedValue1);
+        assertThat(repository.getEnrollStageThreshold(3)).isEqualTo(expectedValue3);
+        assertThat(repository.getEnrollStageThreshold(0)).isEqualTo(expectedValue0);
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/model/CredentialModelTest.kt

@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics2.ui.model
+
+import android.content.Intent
+import android.os.Bundle
+import android.os.SystemClock
+import android.os.UserHandle
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics.BiometricEnrollBase
+import com.android.settings.password.ChooseLockSettingsHelper
+import com.google.common.truth.Truth
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.util.Arrays
+
+@RunWith(AndroidJUnit4::class)
+class CredentialModelTest {
+
+    private val clock = SystemClock.elapsedRealtimeClock()
+
+    @Test
+    fun testNullBundle() {
+        val credentialModel = CredentialModel(null, clock)
+        Truth.assertThat(credentialModel.userId).isEqualTo(UserHandle.myUserId())
+    }
+
+    companion object {
+        @JvmStatic
+        fun newCredentialModelIntentExtras(
+            userId: Int, challenge: Long,
+            token: ByteArray?, gkPwHandle: Long
+        ): Bundle {
+            val bundle = Bundle()
+            bundle.putInt(Intent.EXTRA_USER_ID, userId)
+            bundle.putLong(BiometricEnrollBase.EXTRA_KEY_CHALLENGE, challenge)
+            bundle.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, token)
+            bundle.putLong(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, gkPwHandle)
+            return bundle
+        }
+
+        @JvmStatic
+        fun newValidTokenCredentialIntentExtras(userId: Int): Bundle {
+            return newCredentialModelIntentExtras(
+                userId, 1L, byteArrayOf(0, 1, 2),
+                CredentialModel.INVALID_GK_PW_HANDLE
+            )
+        }
+
+        @JvmStatic
+        fun newOnlySensorValidCredentialIntentExtras(userId: Int): Bundle {
+            return newCredentialModelIntentExtras(
+                userId, CredentialModel.INVALID_CHALLENGE, null,
+                CredentialModel.INVALID_GK_PW_HANDLE
+            )
+        }
+
+        @JvmStatic
+        fun newGkPwHandleCredentialIntentExtras(userId: Int, gkPwHandle: Long): Bundle {
+            return newCredentialModelIntentExtras(
+                userId,
+                CredentialModel.INVALID_CHALLENGE,
+                null,
+                gkPwHandle
+            )
+        }
+
+        private fun checkBundleLongValue(
+            bundle1: Bundle, bundle2: Bundle,
+            key: String
+        ) {
+            if (!bundle1.containsKey(key)) {
+                return
+            }
+            val value1 = bundle1.getInt(key)
+            val value2 = bundle2.getInt(key)
+            Truth.assertWithMessage(
+                "bundle not match, key:" + key + ", value1:" + value1 + ", value2:"
+                        + value2
+            ).that(value1).isEqualTo(value2)
+        }
+
+        private fun checkBundleIntValue(
+            bundle1: Bundle, bundle2: Bundle,
+            key: String
+        ) {
+            if (!bundle1.containsKey(key)) {
+                return
+            }
+            val value1 = bundle1.getLong(key)
+            val value2 = bundle2.getLong(key)
+            Truth.assertWithMessage(
+                "bundle not match, key:" + key + ", value1:" + value1 + ", value2:"
+                        + value2
+            ).that(value1).isEqualTo(value2)
+        }
+
+        private fun checkBundleByteArrayValue(
+            bundle1: Bundle, bundle2: Bundle,
+            key: String
+        ) {
+            if (!bundle1.containsKey(key)) {
+                return
+            }
+            val value1 = bundle1.getByteArray(key)
+            val value2 = bundle2.getByteArray(key)
+            val errMsg = ("bundle not match, key:" + key + ", value1:" + Arrays.toString(value1)
+                    + ", value2:" + Arrays.toString(value2))
+            if (value1 == null) {
+                Truth.assertWithMessage(errMsg).that(value2).isNull()
+            } else {
+                Truth.assertWithMessage(errMsg).that(value1.size).isEqualTo(
+                    value2!!.size
+                )
+                for (i in value1.indices) {
+                    Truth.assertWithMessage(errMsg).that(value1[i]).isEqualTo(
+                        value2[i]
+                    )
+                }
+            }
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/model/EnrollmentRequestTest.kt

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics2.ui.model
+
+import android.content.Context
+import android.content.Intent
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics.BiometricEnrollActivity
+import com.google.android.setupcompat.util.WizardManagerHelper
+import com.google.common.truth.Truth
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class EnrollmentRequestTest {
+
+    private val context = ApplicationProvider.getApplicationContext<Context>()
+
+    @Test
+    fun testIsSuw() {
+        // Default false
+        Truth.assertThat(EnrollmentRequest(Intent(), context, true).isSuw).isFalse()
+        Truth.assertThat(EnrollmentRequest(Intent(), context, false).isSuw).isFalse()
+        val trueIntent = Intent()
+        trueIntent.putExtra(WizardManagerHelper.EXTRA_IS_SETUP_FLOW, true)
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, true).isSuw).isTrue()
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, false).isSuw).isFalse()
+        val falseIntent = Intent()
+        trueIntent.putExtra(WizardManagerHelper.EXTRA_IS_SETUP_FLOW, false)
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, true).isSuw).isFalse()
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, false).isSuw).isFalse()
+    }
+
+    @Test
+    fun testIsAfterSuwOrSuwSuggestedAction() {
+        // Default false
+        Truth.assertThat(
+            EnrollmentRequest(Intent(), context, true)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        Truth.assertThat(
+            EnrollmentRequest(Intent(), context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val deferredTrueIntent = Intent()
+        deferredTrueIntent.putExtra(WizardManagerHelper.EXTRA_IS_DEFERRED_SETUP, true)
+        Truth.assertThat(
+            EnrollmentRequest(deferredTrueIntent, context, true)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isTrue()
+        Truth.assertThat(
+            EnrollmentRequest(deferredTrueIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val deferredFalseIntent = Intent()
+        deferredFalseIntent.putExtra(WizardManagerHelper.EXTRA_IS_DEFERRED_SETUP, false)
+        Truth.assertThat(
+            EnrollmentRequest(deferredFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        Truth.assertThat(
+            EnrollmentRequest(deferredFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val portalTrueIntent = Intent()
+        portalTrueIntent.putExtra(WizardManagerHelper.EXTRA_IS_PORTAL_SETUP, true)
+        Truth.assertThat(
+            EnrollmentRequest(portalTrueIntent, context, true)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isTrue()
+        Truth.assertThat(
+            EnrollmentRequest(portalTrueIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val portalFalseIntent = Intent()
+        portalFalseIntent.putExtra(WizardManagerHelper.EXTRA_IS_PORTAL_SETUP, false)
+        Truth.assertThat(
+            EnrollmentRequest(portalFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        Truth.assertThat(
+            EnrollmentRequest(portalFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val suggestedTrueIntent = Intent()
+        suggestedTrueIntent.putExtra(WizardManagerHelper.EXTRA_IS_SUW_SUGGESTED_ACTION_FLOW, true)
+        Truth.assertThat(
+            EnrollmentRequest(suggestedTrueIntent, context, true)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isTrue()
+        Truth.assertThat(
+            EnrollmentRequest(suggestedTrueIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        val suggestedFalseIntent = Intent()
+        suggestedFalseIntent.putExtra(WizardManagerHelper.EXTRA_IS_SUW_SUGGESTED_ACTION_FLOW, false)
+        Truth.assertThat(
+            EnrollmentRequest(suggestedFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+        Truth.assertThat(
+            EnrollmentRequest(suggestedFalseIntent, context, false)
+                .isAfterSuwOrSuwSuggestedAction
+        ).isFalse()
+    }
+
+    @Test
+    fun testGetSuwExtras_inSuw() {
+        val suwIntent = Intent()
+        suwIntent.putExtra(WizardManagerHelper.EXTRA_IS_SETUP_FLOW, true)
+        val setupRequest = EnrollmentRequest(suwIntent, context, true)
+        val bundle = setupRequest.suwExtras
+        Truth.assertThat(bundle).isNotNull()
+        Truth.assertThat(bundle.size()).isAtLeast(1)
+        Truth.assertThat(bundle.getBoolean(WizardManagerHelper.EXTRA_IS_SETUP_FLOW)).isTrue()
+    }
+
+    @Test
+    fun testGetSuwExtras_notInSuw() {
+        val suwIntent = Intent()
+        suwIntent.putExtra(WizardManagerHelper.EXTRA_IS_SETUP_FLOW, true)
+        val setupRequest = EnrollmentRequest(suwIntent, context, false)
+        val bundle = setupRequest.suwExtras
+        Truth.assertThat(bundle).isNotNull()
+        Truth.assertThat(bundle.size()).isEqualTo(0)
+    }
+
+    @Test
+    fun testIsSkipIntro() {
+        // Default false
+        Truth.assertThat(EnrollmentRequest(Intent(), context, true).isSkipIntro).isFalse()
+        Truth.assertThat(EnrollmentRequest(Intent(), context, false).isSkipIntro).isFalse()
+        val trueIntent = Intent()
+        trueIntent.putExtra(BiometricEnrollActivity.EXTRA_SKIP_INTRO, true)
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, true).isSkipIntro).isTrue()
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, false).isSkipIntro).isTrue()
+        val falseIntent = Intent()
+        falseIntent.putExtra(BiometricEnrollActivity.EXTRA_SKIP_INTRO, false)
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, false).isSkipIntro).isFalse()
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, false).isSkipIntro).isFalse()
+    }
+
+    @Test
+    fun testIsSkipFindSensor() {
+        // Default false
+        Truth.assertThat(EnrollmentRequest(Intent(), context, true).isSkipFindSensor)
+            .isFalse()
+        Truth.assertThat(EnrollmentRequest(Intent(), context, false).isSkipFindSensor)
+            .isFalse()
+        val trueIntent = Intent()
+        trueIntent.putExtra(EnrollmentRequest.EXTRA_SKIP_FIND_SENSOR, true)
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, true).isSkipFindSensor).isTrue()
+        Truth.assertThat(EnrollmentRequest(trueIntent, context, false).isSkipFindSensor).isTrue()
+        val falseIntent = Intent()
+        falseIntent.putExtra(EnrollmentRequest.EXTRA_SKIP_FIND_SENSOR, false)
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, false).isSkipFindSensor)
+            .isFalse()
+        Truth.assertThat(EnrollmentRequest(falseIntent, context, false).isSkipFindSensor)
+            .isFalse()
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/AutoCredentialViewModelTest.kt

@@ -0,0 +1,519 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics2.ui.viewmodel
+
+import android.app.Activity
+import android.app.admin.DevicePolicyManager
+import android.content.Intent
+import android.os.Bundle
+import android.os.SystemClock
+import android.os.UserHandle
+import androidx.activity.result.ActivityResult
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.internal.widget.LockPatternUtils
+import com.android.internal.widget.VerifyCredentialResponse
+import com.android.settings.biometrics.BiometricEnrollBase
+import com.android.settings.biometrics2.ui.model.CredentialModel
+import com.android.settings.biometrics2.ui.model.CredentialModelTest.Companion.newGkPwHandleCredentialIntentExtras
+import com.android.settings.biometrics2.ui.model.CredentialModelTest.Companion.newOnlySensorValidCredentialIntentExtras
+import com.android.settings.biometrics2.ui.model.CredentialModelTest.Companion.newValidTokenCredentialIntentExtras
+import com.android.settings.biometrics2.ui.viewmodel.AutoCredentialViewModel.ChallengeGenerator
+import com.android.settings.password.ChooseLockPattern
+import com.android.settings.password.ChooseLockSettingsHelper
+import com.google.common.truth.Truth.assertThat
+import java.util.concurrent.atomic.AtomicBoolean
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.Mockito.`when` as whenever
+
+@RunWith(AndroidJUnit4::class)
+class AutoCredentialViewModelTest {
+
+    @get:Rule val mockito: MockitoRule = MockitoJUnit.rule()
+
+    @Mock private lateinit var lockPatternUtils: LockPatternUtils
+
+    private var challengeGenerator: TestChallengeGenerator = TestChallengeGenerator()
+
+    private lateinit var viewModel: AutoCredentialViewModel
+    private fun newAutoCredentialViewModel(bundle: Bundle?): AutoCredentialViewModel {
+        return AutoCredentialViewModel(
+            ApplicationProvider.getApplicationContext(),
+            lockPatternUtils,
+            challengeGenerator,
+            CredentialModel(bundle, SystemClock.elapsedRealtimeClock())
+        )
+    }
+
+    @Before
+    fun setUp() {
+        challengeGenerator = TestChallengeGenerator()
+    }
+
+    private fun setupGenerateChallenge(userId: Int, newSensorId: Int, newChallenge: Long) {
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+        challengeGenerator.userId = userId
+        challengeGenerator.sensorId = newSensorId
+        challengeGenerator.challenge = newChallenge
+    }
+
+    @Test
+    fun testCheckCredential_validCredentialCase() = runTest {
+        val userId = 99
+        viewModel = newAutoCredentialViewModel(newValidTokenCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(backgroundScope)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.CREDENTIAL_VALID)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check createGeneratingChallengeExtras()
+        assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+    }
+
+    @Test
+    fun testCheckCredential_needToChooseLock() = runTest {
+        val userId = 100
+        viewModel = newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED
+        )
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(backgroundScope)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.FAIL_NEED_TO_CHOOSE_LOCK)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check createGeneratingChallengeExtras()
+        assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+    }
+
+    @Test
+    fun testCheckCredential_needToConfirmLockForSomething() = runTest {
+        val userId = 101
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(backgroundScope)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.FAIL_NEED_TO_CONFIRM_LOCK)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check createGeneratingChallengeExtras()
+        assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+    }
+
+    @Test
+    fun testCheckCredential_needToConfirmLockForNumeric() = runTest {
+        val userId = 102
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_NUMERIC
+        )
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(backgroundScope)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.FAIL_NEED_TO_CONFIRM_LOCK)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check createGeneratingChallengeExtras()
+        assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+    }
+
+    @Test
+    fun testCheckCredential_needToConfirmLockForAlphabetic() = runTest {
+        val userId = 103
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC
+        )
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(this)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.FAIL_NEED_TO_CONFIRM_LOCK)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check createGeneratingChallengeExtras()
+        assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+    }
+
+    @Test
+    fun testCheckCredential_generateChallenge() = runTest {
+        val userId = 104
+        val gkPwHandle = 1111L
+        viewModel =
+            newAutoCredentialViewModel(newGkPwHandleCredentialIntentExtras(userId, gkPwHandle))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+        val newSensorId = 10
+        val newChallenge = 20L
+        setupGenerateChallenge(userId, newSensorId, newChallenge)
+        whenever(
+            lockPatternUtils.verifyGatekeeperPasswordHandle(
+                gkPwHandle,
+                newChallenge,
+                userId
+            )
+        )
+            .thenReturn(newGoodCredential(gkPwHandle, byteArrayOf(1)))
+        val hasCalledRemoveGkPwHandle = AtomicBoolean()
+        Mockito.doAnswer {
+            hasCalledRemoveGkPwHandle.set(true)
+            null
+        }.`when`(lockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle)
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run credential check
+        val action = viewModel.checkCredential(backgroundScope)
+        runCurrent()
+
+        // Check viewModel behavior
+        assertThat(action).isEqualTo(CredentialAction.IS_GENERATING_CHALLENGE)
+        assertThat(generateFails.size).isEqualTo(0)
+
+        // Check data inside CredentialModel
+        assertThat(viewModel.token).isNotNull()
+        assertThat(challengeGenerator.callbackRunCount).isEqualTo(1)
+        assertThat(hasCalledRemoveGkPwHandle.get()).isFalse()
+
+        // Check createGeneratingChallengeExtras()
+        val generatingChallengeExtras = viewModel.createGeneratingChallengeExtras()
+        assertThat(generatingChallengeExtras).isNotNull()
+        assertThat(generatingChallengeExtras!!.getLong(BiometricEnrollBase.EXTRA_KEY_CHALLENGE))
+            .isEqualTo(newChallenge)
+        val tokens =
+            generatingChallengeExtras.getByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN)
+        assertThat(tokens).isNotNull()
+        assertThat(tokens!!.size).isEqualTo(1)
+        assertThat(tokens[0]).isEqualTo(1)
+    }
+
+    @Test
+    fun testCheckCredential_generateChallengeFail() = runTest {
+        backgroundScope.launch {
+            val userId = 104
+            val gkPwHandle = 1111L
+            viewModel =
+                newAutoCredentialViewModel(newGkPwHandleCredentialIntentExtras(userId, gkPwHandle))
+            whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+                DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+            )
+            val newSensorId = 10
+            val newChallenge = 20L
+            setupGenerateChallenge(userId, newSensorId, newChallenge)
+            whenever(
+                lockPatternUtils.verifyGatekeeperPasswordHandle(
+                    gkPwHandle,
+                    newChallenge,
+                    userId
+                )
+            )
+                .thenReturn(newBadCredential(0))
+
+            val generateFails = listOfGenerateChallengeFailedFlow()
+
+            // Run credential check
+            val action = viewModel.checkCredential(this)
+            runCurrent()
+
+            assertThat(action).isEqualTo(CredentialAction.IS_GENERATING_CHALLENGE)
+            assertThat(generateFails.size).isEqualTo(1)
+            assertThat(generateFails[0]).isEqualTo(true)
+            assertThat(challengeGenerator.callbackRunCount).isEqualTo(1)
+
+            // Check createGeneratingChallengeExtras()
+            assertThat(viewModel.createGeneratingChallengeExtras()).isNull()
+        }
+    }
+
+    @Test
+    fun testGetUserId_fromIntent() {
+        val userId = 106
+        viewModel = newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+
+        // Get userId
+        assertThat(viewModel.userId).isEqualTo(userId)
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_invalidChooseLock() = runTest {
+        backgroundScope.launch {
+            val userId = 107
+            val gkPwHandle = 3333L
+            viewModel =
+                newAutoCredentialViewModel(newGkPwHandleCredentialIntentExtras(userId, gkPwHandle))
+            val intent = Intent()
+            intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, gkPwHandle)
+
+            val generateFails = listOfGenerateChallengeFailedFlow()
+
+            // Run generateChallengeAsCredentialActivityResult()
+            val ret = viewModel.generateChallengeAsCredentialActivityResult(
+                true,
+                ActivityResult(ChooseLockPattern.RESULT_FINISHED + 1, intent),
+                backgroundScope
+            )
+            runCurrent()
+
+            assertThat(ret).isFalse()
+            assertThat(generateFails.size).isEqualTo(0)
+        }
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_invalidConfirmLock() = runTest {
+        backgroundScope.launch {
+            val userId = 107
+            val gkPwHandle = 3333L
+            viewModel =
+                newAutoCredentialViewModel(newGkPwHandleCredentialIntentExtras(userId, gkPwHandle))
+            val intent = Intent()
+            intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, gkPwHandle)
+
+            val generateFails = listOfGenerateChallengeFailedFlow()
+
+            // Run generateChallengeAsCredentialActivityResult()
+            val ret = viewModel.generateChallengeAsCredentialActivityResult(
+                false,
+                ActivityResult(Activity.RESULT_OK + 1, intent),
+                backgroundScope
+            )
+            runCurrent()
+
+            assertThat(ret).isFalse()
+            assertThat(generateFails.size).isEqualTo(0)
+        }
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_nullDataChooseLock() = runTest {
+        val userId = 108
+        val gkPwHandle = 4444L
+        viewModel =
+            newAutoCredentialViewModel(newGkPwHandleCredentialIntentExtras(userId, gkPwHandle))
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run generateChallengeAsCredentialActivityResult()
+        val ret = viewModel.generateChallengeAsCredentialActivityResult(
+            true,
+            ActivityResult(ChooseLockPattern.RESULT_FINISHED, null),
+            backgroundScope
+        )
+        runCurrent()
+
+        assertThat(ret).isFalse()
+        assertThat(generateFails.size).isEqualTo(0)
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_nullDataConfirmLock() = runTest {
+        val userId = 109
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run generateChallengeAsCredentialActivityResult()
+        val ret = viewModel.generateChallengeAsCredentialActivityResult(
+            false,
+            ActivityResult(Activity.RESULT_OK, null),
+            backgroundScope
+        )
+        runCurrent()
+
+        assertThat(ret).isFalse()
+        assertThat(generateFails.size).isEqualTo(0)
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_validChooseLock() = runTest {
+        val userId = 108
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+        val gkPwHandle = 6666L
+        val newSensorId = 50
+        val newChallenge = 60L
+        setupGenerateChallenge(userId, newSensorId, newChallenge)
+        whenever(
+            lockPatternUtils.verifyGatekeeperPasswordHandle(
+                gkPwHandle,
+                newChallenge,
+                userId
+            )
+        )
+            .thenReturn(newGoodCredential(gkPwHandle, byteArrayOf(1)))
+        val hasCalledRemoveGkPwHandle = AtomicBoolean()
+        Mockito.doAnswer {
+            hasCalledRemoveGkPwHandle.set(true)
+            null
+        }.`when`(lockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle)
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run generateChallengeAsCredentialActivityResult()
+        val intent =
+            Intent().putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, gkPwHandle)
+        val ret = viewModel.generateChallengeAsCredentialActivityResult(
+            true,
+            ActivityResult(ChooseLockPattern.RESULT_FINISHED, intent),
+            backgroundScope
+        )
+        runCurrent()
+
+        assertThat(ret).isTrue()
+        assertThat(generateFails.size).isEqualTo(0)
+        assertThat(viewModel.token).isNotNull()
+        assertThat(challengeGenerator.callbackRunCount).isEqualTo(1)
+        assertThat(hasCalledRemoveGkPwHandle.get()).isTrue()
+    }
+
+    @Test
+    fun testGenerateChallengeAsCredentialActivityResult_validConfirmLock() = runTest {
+        val userId = 109
+        viewModel =
+            newAutoCredentialViewModel(newOnlySensorValidCredentialIntentExtras(userId))
+        whenever(lockPatternUtils.getActivePasswordQuality(userId)).thenReturn(
+            DevicePolicyManager.PASSWORD_QUALITY_SOMETHING
+        )
+        val gkPwHandle = 5555L
+        val newSensorId = 80
+        val newChallenge = 90L
+        setupGenerateChallenge(userId, newSensorId, newChallenge)
+        whenever(
+            lockPatternUtils.verifyGatekeeperPasswordHandle(
+                gkPwHandle,
+                newChallenge,
+                userId
+            )
+        )
+            .thenReturn(newGoodCredential(gkPwHandle, byteArrayOf(1)))
+        val hasCalledRemoveGkPwHandle = AtomicBoolean()
+        Mockito.doAnswer {
+            hasCalledRemoveGkPwHandle.set(true)
+            null
+        }.`when`(lockPatternUtils).removeGatekeeperPasswordHandle(gkPwHandle)
+
+        val generateFails = listOfGenerateChallengeFailedFlow()
+
+        // Run generateChallengeAsCredentialActivityResult()
+        val intent =
+            Intent().putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, gkPwHandle)
+        val ret = viewModel.generateChallengeAsCredentialActivityResult(
+            false,
+            ActivityResult(Activity.RESULT_OK, intent),
+            backgroundScope
+        )
+        runCurrent()
+
+        assertThat(ret).isTrue()
+        assertThat(generateFails.size).isEqualTo(0)
+        assertThat(viewModel.token).isNotNull()
+        assertThat(challengeGenerator.callbackRunCount).isEqualTo(1)
+        assertThat(hasCalledRemoveGkPwHandle.get()).isTrue()
+    }
+
+    private fun TestScope.listOfGenerateChallengeFailedFlow(): List<Boolean> =
+        mutableListOf<Boolean>().also {
+            backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                viewModel.generateChallengeFailedFlow.toList(it)
+            }
+        }
+
+    class TestChallengeGenerator : ChallengeGenerator {
+        var sensorId = -1
+        var userId = UserHandle.myUserId()
+        var challenge = CredentialModel.INVALID_CHALLENGE
+        var callbackRunCount = 0
+
+        override var callback: AutoCredentialViewModel.GenerateChallengeCallback? = null
+
+        override fun generateChallenge(userId: Int) {
+            callback?.let {
+                it.onChallengeGenerated(sensorId, this.userId, challenge)
+                ++callbackRunCount
+            }
+        }
+    }
+
+    private fun newGoodCredential(gkPwHandle: Long, hat: ByteArray): VerifyCredentialResponse {
+        return VerifyCredentialResponse.Builder()
+            .setGatekeeperPasswordHandle(gkPwHandle)
+            .setGatekeeperHAT(hat)
+            .build()
+    }
+
+    private fun newBadCredential(timeout: Int): VerifyCredentialResponse {
+        return if (timeout > 0) {
+            VerifyCredentialResponse.fromTimeout(timeout)
+        } else {
+            VerifyCredentialResponse.fromError()
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/DeviceFoldedViewModelTest.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.ui.viewmodel;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.Application;
+import android.content.res.Configuration;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.InstantTaskExecutorRule;
+import com.android.systemui.unfold.compat.ScreenSizeFoldProvider;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class DeviceFoldedViewModelTest {
+
+    @Rule public final InstantTaskExecutorRule mTaskExecutorRule = new InstantTaskExecutorRule();
+
+    private DeviceFoldedViewModel mViewModel;
+
+    @Before
+    public void setUp() {
+        final Application application = ApplicationProvider.getApplicationContext();
+        mViewModel = new DeviceFoldedViewModel(new ScreenSizeFoldProvider(application),
+                application.getMainExecutor());
+    }
+
+    @Test
+    public void testLiveData() {
+        final Configuration config1 = new Configuration();
+        config1.smallestScreenWidthDp = 601;
+        mViewModel.onConfigurationChanged(config1);
+        assertThat(mViewModel.getLiveData().getValue()).isFalse();
+
+        final Configuration config2 = new Configuration();
+        config2.smallestScreenWidthDp = 599;
+        mViewModel.onConfigurationChanged(config2);
+        assertThat(mViewModel.getLiveData().getValue()).isTrue();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/DeviceRotationViewModelTest.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.ui.viewmodel;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.Application;
+import android.view.Surface;
+
+import androidx.annotation.NonNull;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.InstantTaskExecutorRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+@RunWith(AndroidJUnit4.class)
+public class DeviceRotationViewModelTest {
+
+    @Rule public final MockitoRule mockito = MockitoJUnit.rule();
+    @Rule public final InstantTaskExecutorRule mTaskExecutorRule = new InstantTaskExecutorRule();
+
+    private TestDeviceRotationViewModel mViewModel;
+
+    @Before
+    public void setUp() {
+        TestDeviceRotationViewModel.sTestRotation = 3;
+        mViewModel = new TestDeviceRotationViewModel(ApplicationProvider.getApplicationContext());
+    }
+
+    @Test
+    public void testDefaultLiveDataNotNull() {
+        assertThat(mViewModel.getLiveData().getValue()).isEqualTo(mViewModel.sTestRotation);
+    }
+
+    @Test
+    public void testOnDisplayChange() {
+        mViewModel.sTestRotation = 3;
+        mViewModel.triggerOnDisplayChanged();
+        assertThat(mViewModel.getLiveData().getValue()).isEqualTo(mViewModel.sTestRotation);
+    }
+
+    public static class TestDeviceRotationViewModel extends DeviceRotationViewModel {
+
+        @Surface.Rotation static int sTestRotation = 0;
+
+        public TestDeviceRotationViewModel(@NonNull Application application) {
+            super(application);
+        }
+
+        void triggerOnDisplayChanged() {
+            mDisplayListener.onDisplayChanged(0);
+        }
+
+        @Override
+        protected int getRotation() {
+            return sTestRotation;
+        }
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollEnrollingViewModelTest.java

@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.ui.viewmodel;
+
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;
+
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollEnrollingViewModel.FINGERPRINT_ENROLL_ENROLLING_ACTION_SHOW_ICON_TOUCH_DIALOG;
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollEnrollingViewModel.FINGERPRINT_ENROLL_ENROLLING_CANCELED_BECAUSE_BACK_PRESSED;
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollEnrollingViewModel.FINGERPRINT_ENROLL_ENROLLING_CANCELED_BECAUSE_USER_SKIP;
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.newFingerprintRepository;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+
+import android.app.Application;
+import android.hardware.biometrics.SensorProperties;
+import android.hardware.fingerprint.FingerprintManager;
+import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
+import android.hardware.fingerprint.IFingerprintAuthenticatorsRegisteredCallback;
+
+import androidx.lifecycle.LiveData;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.biometrics2.data.repository.FingerprintRepository;
+import com.android.settings.testutils.InstantTaskExecutorRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+import java.util.ArrayList;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintEnrollEnrollingViewModelTest {
+
+    private static final int TEST_USER_ID = 33;
+
+    @Rule
+    public final MockitoRule mockito = MockitoJUnit.rule();
+    @Rule
+    public final InstantTaskExecutorRule mTaskExecutorRule = new InstantTaskExecutorRule();
+
+    @Mock
+    private FingerprintManager mFingerprintManager;
+
+    private Application mApplication;
+    private FingerprintEnrollEnrollingViewModel mViewModel;
+
+    @Before
+    public void setUp() {
+        mApplication = ApplicationProvider.getApplicationContext();
+        mViewModel = new FingerprintEnrollEnrollingViewModel(
+                mApplication,
+                TEST_USER_ID,
+                newFingerprintRepository(mFingerprintManager, TYPE_UDFPS_OPTICAL,  5)
+            );
+    }
+
+    @Test
+    public void testIconTouchDialog() {
+        final LiveData<Integer> actionLiveData = mViewModel.getActionLiveData();
+        assertThat(actionLiveData.getValue()).isEqualTo(null);
+
+        mViewModel.showIconTouchDialog();
+        assertThat(actionLiveData.getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_ENROLLING_ACTION_SHOW_ICON_TOUCH_DIALOG);
+    }
+
+    @Test
+    public void tesBackPressedScenario() {
+        final LiveData<Integer> actionLiveData = mViewModel.getActionLiveData();
+        assertThat(actionLiveData.getValue()).isEqualTo(null);
+        assertThat(mViewModel.getOnBackPressed()).isEqualTo(false);
+
+        mViewModel.setOnBackPressed();
+        assertThat(mViewModel.getOnBackPressed()).isEqualTo(true);
+
+        mViewModel.onCancelledDueToOnBackPressed();
+        assertThat(mViewModel.getOnBackPressed()).isEqualTo(false);
+        assertThat(actionLiveData.getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_ENROLLING_CANCELED_BECAUSE_BACK_PRESSED);
+    }
+
+    @Test
+    public void testSkipPressedScenario() {
+        final LiveData<Integer> actionLiveData = mViewModel.getActionLiveData();
+        assertThat(actionLiveData.getValue()).isEqualTo(null);
+        assertThat(mViewModel.getOnSkipPressed()).isEqualTo(false);
+
+        mViewModel.setOnSkipPressed();
+        assertThat(mViewModel.getOnSkipPressed()).isEqualTo(true);
+
+        mViewModel.onCancelledDueToOnSkipPressed();
+        assertThat(mViewModel.getOnSkipPressed()).isEqualTo(false);
+        assertThat(actionLiveData.getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_ENROLLING_CANCELED_BECAUSE_USER_SKIP);
+    }
+
+    @Test
+    public void testGetFirstFingerprintSensorPropertiesInternal() {
+        final ArrayList<FingerprintSensorPropertiesInternal> props = new ArrayList<>();
+        final FingerprintSensorPropertiesInternal prop = new FingerprintSensorPropertiesInternal(
+                0 /* sensorId */,
+                SensorProperties.STRENGTH_STRONG,
+                5,
+                new ArrayList<>() /* componentInfo */,
+                TYPE_UDFPS_OPTICAL,
+                true /* resetLockoutRequiresHardwareAuthToken */);
+        props.add(prop);
+        doAnswer(invocation -> {
+            final IFingerprintAuthenticatorsRegisteredCallback callback =
+                    invocation.getArgument(0);
+            callback.onAllAuthenticatorsRegistered(props);
+            return null;
+        }).when(mFingerprintManager).addAuthenticatorsRegisteredCallback(any());
+
+        mViewModel = new FingerprintEnrollEnrollingViewModel(
+                mApplication,
+                TEST_USER_ID,
+                new FingerprintRepository(mFingerprintManager)
+        );
+
+        assertThat(mViewModel.getFirstFingerprintSensorPropertiesInternal()).isEqualTo(prop);
+    }
+
+    @Test
+    public void testGetEnrollStageCount() {
+        final int expectedValue = 24;
+        doReturn(expectedValue).when(mFingerprintManager).getEnrollStageCount();
+
+        assertThat(mViewModel.getEnrollStageCount()).isEqualTo(expectedValue);
+    }
+
+    @Test
+    public void testGetEnrollStageThreshold() {
+        final float expectedValue0 = 0.42f;
+        final float expectedValue1 = 0.24f;
+        final float expectedValue2 = 0.33f;
+        final float expectedValue3 = 0.90f;
+
+        doReturn(expectedValue0).when(mFingerprintManager).getEnrollStageThreshold(0);
+        doReturn(expectedValue1).when(mFingerprintManager).getEnrollStageThreshold(1);
+        doReturn(expectedValue2).when(mFingerprintManager).getEnrollStageThreshold(2);
+        doReturn(expectedValue3).when(mFingerprintManager).getEnrollStageThreshold(3);
+
+        assertThat(mViewModel.getEnrollStageThreshold(2)).isEqualTo(expectedValue2);
+        assertThat(mViewModel.getEnrollStageThreshold(1)).isEqualTo(expectedValue1);
+        assertThat(mViewModel.getEnrollStageThreshold(3)).isEqualTo(expectedValue3);
+        assertThat(mViewModel.getEnrollStageThreshold(0)).isEqualTo(expectedValue0);
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollErrorDialogViewModelTest.kt

@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics2.ui.viewmodel
+
+import android.app.Application
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics2.ui.viewmodel.FingerprintErrorDialogSetResultAction.FINGERPRINT_ERROR_DIALOG_ACTION_SET_RESULT_FINISH
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class FingerprintEnrollErrorDialogViewModelTest {
+
+    private val application = ApplicationProvider.getApplicationContext<Application>()
+    private var viewModel: FingerprintEnrollErrorDialogViewModel =
+        FingerprintEnrollErrorDialogViewModel(application, false)
+
+    @Before
+    fun setUp() {
+        // Make sure viewModel is new for each test
+        viewModel = FingerprintEnrollErrorDialogViewModel(application, false)
+    }
+
+    @Test
+    fun testIsDialogNotShownDefaultFalse() {
+        assertThat(viewModel.isDialogShown).isFalse()
+    }
+
+    @Test
+    fun testIsSuw() {
+        assertThat(FingerprintEnrollErrorDialogViewModel(application, false).isSuw).isFalse()
+        assertThat(FingerprintEnrollErrorDialogViewModel(application, true).isSuw).isTrue()
+    }
+
+    @Test
+    fun testNewDialog() = runTest {
+        val newDialogs: List<Int> = mutableListOf<Int>().also {
+            backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                viewModel.newDialogFlow.toList(it)
+            }
+        }
+
+        runCurrent()
+
+        // Default values
+        assertThat(viewModel.isDialogShown).isFalse()
+        assertThat(newDialogs.size).isEqualTo(0)
+
+        val testErrorMsgId = 3456
+        viewModel.newDialog(testErrorMsgId)
+        runCurrent()
+
+        // verify after emit
+        assertThat(viewModel.isDialogShown).isTrue()
+        assertThat(newDialogs.size).isEqualTo(1)
+        assertThat(newDialogs[0]).isEqualTo(testErrorMsgId)
+    }
+
+    @Test
+    fun testTriggerRetry() = runTest {
+        val triggerRetries: List<Any> = mutableListOf<Any>().also {
+            backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                viewModel.triggerRetryFlow.toList(it)
+            }
+        }
+
+        runCurrent()
+
+        // Default values
+        assertThat(triggerRetries.size).isEqualTo(0)
+
+        viewModel.triggerRetry()
+        runCurrent()
+
+        // verify after emit
+        assertThat(triggerRetries.size).isEqualTo(1)
+    }
+
+    @Test
+    fun testSetResultFinish() = runTest {
+        val setResults: List<FingerprintErrorDialogSetResultAction> =
+            mutableListOf<FingerprintErrorDialogSetResultAction>().also {
+                backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                    viewModel.setResultFlow.toList(it)
+                }
+            }
+
+        runCurrent()
+
+        // Default values
+        assertThat(setResults.size).isEqualTo(0)
+
+        viewModel.setResultAndFinish(FINGERPRINT_ERROR_DIALOG_ACTION_SET_RESULT_FINISH)
+        runCurrent()
+
+        // verify after emit
+        assertThat(setResults.size).isEqualTo(1)
+        assertThat(setResults[0]).isEqualTo(FINGERPRINT_ERROR_DIALOG_ACTION_SET_RESULT_FINISH)
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollFindSensorViewModelTest.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.ui.viewmodel;
+
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollFindSensorViewModel.FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_DIALOG;
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollFindSensorViewModel.FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_SKIP;
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollFindSensorViewModel.FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_START;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.Application;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.testutils.InstantTaskExecutorRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintEnrollFindSensorViewModelTest {
+
+    @Rule public final InstantTaskExecutorRule mTaskExecutorRule = new InstantTaskExecutorRule();
+
+    private Application mApplication;
+    private FingerprintEnrollFindSensorViewModel mViewModel;
+
+    @Before
+    public void setUp() {
+        mApplication = ApplicationProvider.getApplicationContext();
+        mViewModel = new FingerprintEnrollFindSensorViewModel(mApplication, false);
+    }
+
+    @Test
+    public void testClickSkipButtonNotInSuw() {
+        mViewModel = new FingerprintEnrollFindSensorViewModel(mApplication, false);
+        mViewModel.onSkipButtonClick();
+        assertThat(mViewModel.getActionLiveData().getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_SKIP);
+    }
+
+    @Test
+    public void testClickSkipButtonInSuw() {
+        mViewModel = new FingerprintEnrollFindSensorViewModel(mApplication, true);
+        mViewModel.onSkipButtonClick();
+        assertThat(mViewModel.getActionLiveData().getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_DIALOG);
+    }
+
+    @Test
+    public void testClickSkipDialogButton() {
+        mViewModel.onSkipDialogButtonClick();
+        assertThat(mViewModel.getActionLiveData().getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_SKIP);
+    }
+
+    @Test
+    public void testClickStartDialogButton() {
+        mViewModel.onStartButtonClick();
+        assertThat(mViewModel.getActionLiveData().getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FIND_SENSOR_ACTION_START);
+    }
+
+    @Test
+    public void testClearActionLiveData() {
+        assertThat(mViewModel.getActionLiveData().getValue()).isNull();
+
+        mViewModel.onStartButtonClick();
+        assertThat(mViewModel.getActionLiveData().getValue()).isNotNull();
+
+        mViewModel.clearActionLiveData();
+        assertThat(mViewModel.getActionLiveData().getValue()).isNull();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollFinishViewModelTest.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics2.ui.viewmodel;
+
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_POWER_BUTTON;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_REAR;
+import static android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL;
+
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollFinishViewModel.FINGERPRINT_ENROLL_FINISH_ACTION_ADD_BUTTON_CLICK;
+import static com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollFinishViewModel.FINGERPRINT_ENROLL_FINISH_ACTION_NEXT_BUTTON_CLICK;
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.newFingerprintRepository;
+import static com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.setupFingerprintEnrolledFingerprints;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.Application;
+import android.content.Intent;
+import android.hardware.fingerprint.FingerprintManager;
+
+import androidx.lifecycle.LiveData;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.biometrics2.ui.model.EnrollmentRequest;
+import com.android.settings.testutils.InstantTaskExecutorRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+@RunWith(AndroidJUnit4.class)
+public class FingerprintEnrollFinishViewModelTest {
+
+    private static final int USER_ID = 334;
+    private static final int MAX_ENROLLABLE = 5;
+
+    @Rule public final MockitoRule mockito = MockitoJUnit.rule();
+    @Rule public final InstantTaskExecutorRule mTaskExecutorRule = new InstantTaskExecutorRule();
+
+    @Mock private FingerprintManager mFingerprintManager;
+
+    private Application mApplication;
+    private EnrollmentRequest mRequest;
+    private FingerprintEnrollFinishViewModel mViewModel;
+
+    @Before
+    public void setUp() {
+        mApplication = ApplicationProvider.getApplicationContext();
+        mRequest = new EnrollmentRequest(new Intent(), mApplication, true);
+        mViewModel = new FingerprintEnrollFinishViewModel(mApplication, USER_ID, mRequest,
+                newFingerprintRepository(mFingerprintManager, TYPE_UDFPS_OPTICAL, MAX_ENROLLABLE));
+    }
+
+    @Test
+    public void testCanAssumeSfps() {
+        mViewModel = new FingerprintEnrollFinishViewModel(mApplication, USER_ID, mRequest,
+                newFingerprintRepository(mFingerprintManager, TYPE_UDFPS_OPTICAL, MAX_ENROLLABLE));
+        assertThat(mViewModel.canAssumeSfps()).isFalse();
+
+        mViewModel = new FingerprintEnrollFinishViewModel(mApplication, USER_ID, mRequest,
+                newFingerprintRepository(mFingerprintManager, TYPE_REAR, MAX_ENROLLABLE));
+        assertThat(mViewModel.canAssumeSfps()).isFalse();
+
+        mViewModel = new FingerprintEnrollFinishViewModel(mApplication, USER_ID, mRequest,
+                newFingerprintRepository(mFingerprintManager, TYPE_POWER_BUTTON, MAX_ENROLLABLE));
+        assertThat(mViewModel.canAssumeSfps()).isTrue();
+    }
+
+    @Test
+    public void testIsAnotherFingerprintEnrollable() {
+        setupFingerprintEnrolledFingerprints(mFingerprintManager, USER_ID, MAX_ENROLLABLE);
+        assertThat(mViewModel.isAnotherFingerprintEnrollable()).isFalse();
+
+        setupFingerprintEnrolledFingerprints(mFingerprintManager, USER_ID, MAX_ENROLLABLE - 1);
+        assertThat(mViewModel.isAnotherFingerprintEnrollable()).isTrue();
+    }
+
+    @Test
+    public void testGetRequest() {
+        assertThat(mViewModel.getRequest()).isEqualTo(mRequest);
+    }
+
+    @Test
+    public void testOnAddButtonClick() {
+        final LiveData<Integer> actionLiveData = mViewModel.getActionLiveData();
+
+        // Test init value
+        assertThat(actionLiveData.getValue()).isNull();
+
+        // Test onAddButtonClick()
+        mViewModel.onAddButtonClick();
+        assertThat(actionLiveData.getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FINISH_ACTION_ADD_BUTTON_CLICK);
+
+        // Clear
+        mViewModel.clearActionLiveData();
+        assertThat(actionLiveData.getValue()).isNull();
+    }
+
+    @Test
+    public void testOnNextButtonClick() {
+        final LiveData<Integer> actionLiveData = mViewModel.getActionLiveData();
+
+        // Test init value
+        assertThat(actionLiveData.getValue()).isNull();
+
+        // Test onNextButtonClick()
+        mViewModel.onNextButtonClick();
+        assertThat(actionLiveData.getValue()).isEqualTo(
+                FINGERPRINT_ENROLL_FINISH_ACTION_NEXT_BUTTON_CLICK);
+
+        // Clear
+        mViewModel.clearActionLiveData();
+        assertThat(actionLiveData.getValue()).isNull();
+    }
+}

Settings/tests/unit/src/com/android/settings/biometrics2/ui/viewmodel/FingerprintEnrollIntroViewModelTest.kt

@@ -0,0 +1,357 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.biometrics2.ui.viewmodel
+
+import android.app.Application
+import android.content.res.Resources
+import android.hardware.fingerprint.FingerprintManager
+import android.hardware.fingerprint.FingerprintSensorProperties.TYPE_UDFPS_OPTICAL
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.biometrics2.data.repository.FingerprintRepository
+import com.android.settings.biometrics2.ui.model.EnrollmentRequest
+import com.android.settings.biometrics2.ui.model.FingerprintEnrollIntroStatus
+import com.android.settings.biometrics2.ui.model.FingerprintEnrollable.FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX
+import com.android.settings.biometrics2.ui.model.FingerprintEnrollable.FINGERPRINT_ENROLLABLE_OK
+import com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollIntroAction.CONTINUE_ENROLL
+import com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollIntroAction.DONE_AND_FINISH
+import com.android.settings.biometrics2.ui.viewmodel.FingerprintEnrollIntroAction.SKIP_OR_CANCEL
+import com.android.settings.biometrics2.utils.EnrollmentRequestUtils.newAllFalseRequest
+import com.android.settings.biometrics2.utils.EnrollmentRequestUtils.newIsSuwDeferredRequest
+import com.android.settings.biometrics2.utils.EnrollmentRequestUtils.newIsSuwPortalRequest
+import com.android.settings.biometrics2.utils.EnrollmentRequestUtils.newIsSuwRequest
+import com.android.settings.biometrics2.utils.EnrollmentRequestUtils.newIsSuwSuggestedActionFlowRequest
+import com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.newFingerprintRepository
+import com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.setupFingerprintEnrolledFingerprints
+import com.android.settings.biometrics2.utils.FingerprintRepositoryUtils.setupSuwMaxFingerprintsEnrollable
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito
+import org.mockito.junit.MockitoJUnit
+
+@RunWith(AndroidJUnit4::class)
+class FingerprintEnrollIntroViewModelTest {
+
+    @get:Rule val mockito = MockitoJUnit.rule()
+
+    @Mock private lateinit var resources: Resources
+    @Mock private lateinit var fingerprintManager: FingerprintManager
+
+    private var application: Application = ApplicationProvider.getApplicationContext()
+
+    private fun newFingerprintEnrollIntroViewModel(
+        fingerprintRepository: FingerprintRepository,
+        enrollmentRequest: EnrollmentRequest
+    ) = FingerprintEnrollIntroViewModel(
+        application,
+        fingerprintRepository,
+        enrollmentRequest,
+        TEST_USER_ID
+    )
+
+    @Before
+    fun setUp() {
+        application = ApplicationProvider.getApplicationContext()
+    }
+
+    @Test
+    fun testPageStatusFlowDefaultAndUpdate() = runTest {
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 1),
+            newAllFalseRequest(application)
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+
+        runCurrent()
+
+        // assert default values
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].hasScrollToBottom()).isFalse()
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_OK)
+
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 1)
+        viewModel.updateEnrollableStatus(backgroundScope)
+        runCurrent()
+
+        // assert new updated value
+        assertThat(statusList.size).isEqualTo(2)
+        assertThat(statusList[1].hasScrollToBottom()).isFalse()
+        assertThat(statusList[1].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX)
+    }
+
+    fun testOnStartToUpdateEnrollableStatusOk_isSuw() = runTest {
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 0)
+        setupSuwMaxFingerprintsEnrollable(application, resources, 1)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newIsSuwRequest(application)
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+
+        runCurrent()
+
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_OK)
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusReachMax_isSuw() = runTest {
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 1)
+        setupSuwMaxFingerprintsEnrollable(application, resources, 1)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newIsSuwRequest(application)
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+
+        runCurrent()
+
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX)
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusOk_isNotSuw() = runTest {
+        testOnStartToUpdateEnrollableStatusOk(newAllFalseRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusReachMax_isNotSuw() = runTest {
+        testOnStartToUpdateEnrollableStatusReachMax(newAllFalseRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusOk_isSuwDeferred() = runTest {
+        testOnStartToUpdateEnrollableStatusOk(newIsSuwDeferredRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusReachMax_isSuwDeferred() = runTest {
+        testOnStartToUpdateEnrollableStatusReachMax(newIsSuwDeferredRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusOk_isSuwPortal() = runTest {
+        testOnStartToUpdateEnrollableStatusOk(newIsSuwPortalRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusReachMax_isSuwPortal() = runTest {
+        testOnStartToUpdateEnrollableStatusReachMax(newIsSuwPortalRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusOk_isSuwSuggestedActionFlow() = runTest {
+        testOnStartToUpdateEnrollableStatusOk(newIsSuwSuggestedActionFlowRequest(application))
+    }
+
+    @Test
+    fun testOnStartToUpdateEnrollableStatusReachMax_isSuwSuggestedActionFlow() = runTest {
+        testOnStartToUpdateEnrollableStatusReachMax(
+            newIsSuwSuggestedActionFlowRequest(application)
+        )
+    }
+
+    private fun TestScope.testOnStartToUpdateEnrollableStatusOk(request: EnrollmentRequest) {
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 0)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            request
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+
+        runCurrent()
+
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_OK)
+    }
+
+    private fun TestScope.testOnStartToUpdateEnrollableStatusReachMax(request: EnrollmentRequest) {
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 5)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            request
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+
+        runCurrent()
+
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX)
+    }
+
+    @Test
+    fun testIsParentalConsentRequired() {
+        // We shall not mock FingerprintRepository, but
+        // FingerprintRepository.isParentalConsentRequired() calls static method inside, we can't
+        // mock static method
+        val fingerprintRepository = Mockito.mock(
+            FingerprintRepository::class.java
+        )
+        val viewModel = FingerprintEnrollIntroViewModel(
+            application,
+            fingerprintRepository,
+            newAllFalseRequest(application),
+            TEST_USER_ID
+        )
+        Mockito.`when`(
+            fingerprintRepository.isParentalConsentRequired(application)
+        ).thenReturn(true)
+        assertThat(viewModel.isParentalConsentRequired).isEqualTo(true)
+        Mockito.`when`(
+            fingerprintRepository.isParentalConsentRequired(application)
+        ).thenReturn(false)
+        assertThat(viewModel.isParentalConsentRequired).isEqualTo(false)
+    }
+
+    @Test
+    fun testIsBiometricUnlockDisabledByAdmin() {
+        // We shall not mock FingerprintRepository, but
+        // FingerprintRepository.isDisabledByAdmin() calls static method inside, we can't mock
+        // static method
+        val fingerprintRepository = Mockito.mock(FingerprintRepository::class.java)
+        val viewModel = FingerprintEnrollIntroViewModel(
+            application,
+            fingerprintRepository,
+            newAllFalseRequest(application),
+            TEST_USER_ID
+        )
+        Mockito.`when`(
+            fingerprintRepository.isDisabledByAdmin(application, TEST_USER_ID)
+        ).thenReturn(true)
+        assertThat(viewModel.isBiometricUnlockDisabledByAdmin).isEqualTo(true)
+        Mockito.`when`(
+            fingerprintRepository.isDisabledByAdmin(application, TEST_USER_ID)
+        ).thenReturn(false)
+        assertThat(viewModel.isBiometricUnlockDisabledByAdmin).isEqualTo(false)
+    }
+
+    @Test
+    fun testSetHasScrolledToBottom() = runTest {
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newAllFalseRequest(application)
+        )
+
+        val pageStatusList = listOfPageStatusFlow(viewModel)
+
+        viewModel.setHasScrolledToBottom(true, backgroundScope)
+        runCurrent()
+
+        assertThat(pageStatusList[pageStatusList.size-1].hasScrollToBottom()).isEqualTo(true)
+    }
+
+    @Test
+    fun testOnNextButtonClick_enrollNext() = runTest {
+        // Set latest status to FINGERPRINT_ENROLLABLE_OK
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 0)
+        setupSuwMaxFingerprintsEnrollable(application, resources, 1)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newIsSuwRequest(application)
+        )
+
+        val actions = listOfActionFlow(viewModel)
+
+        // Perform click on `next`
+        viewModel.onNextButtonClick(backgroundScope)
+        runCurrent()
+
+        assertThat(actions.size).isEqualTo(1)
+        assertThat(actions[0]).isEqualTo(CONTINUE_ENROLL)
+    }
+
+    @Test
+    fun testOnNextButtonClick_doneAndFinish() = runTest {
+        // Set latest status to FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX
+        setupFingerprintEnrolledFingerprints(fingerprintManager, TEST_USER_ID, 1)
+        setupSuwMaxFingerprintsEnrollable(application, resources, 1)
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newIsSuwRequest(application)
+        )
+
+        val statusList = listOfPageStatusFlow(viewModel)
+        val actionList = listOfActionFlow(viewModel)
+
+        runCurrent()
+
+        assertThat(statusList.size).isEqualTo(1)
+        assertThat(statusList[0].enrollableStatus).isEqualTo(FINGERPRINT_ENROLLABLE_ERROR_REACH_MAX)
+
+        val actions = listOfActionFlow(viewModel)
+
+        // Perform click on `next`
+        viewModel.onNextButtonClick(backgroundScope)
+        runCurrent()
+
+        assertThat(actionList.size).isEqualTo(1)
+        assertThat(actionList[0]).isEqualTo(DONE_AND_FINISH)
+    }
+
+    @Test
+    fun testOnSkipOrCancelButtonClick() = runTest {
+        val viewModel = newFingerprintEnrollIntroViewModel(
+            newFingerprintRepository(fingerprintManager, TYPE_UDFPS_OPTICAL, 5),
+            newAllFalseRequest(application)
+        )
+
+        val actions = listOfActionFlow(viewModel)
+
+        viewModel.onSkipOrCancelButtonClick(backgroundScope)
+        runCurrent()
+
+        assertThat(actions.size).isEqualTo(1)
+        assertThat(actions[0]).isEqualTo(SKIP_OR_CANCEL)
+    }
+
+    private fun TestScope.listOfActionFlow(
+        viewModel: FingerprintEnrollIntroViewModel
+    ): List<FingerprintEnrollIntroAction> =
+        mutableListOf<FingerprintEnrollIntroAction>().also {
+            backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                viewModel.actionFlow.toList(it)
+            }
+        }
+
+    private fun TestScope.listOfPageStatusFlow(
+        viewModel: FingerprintEnrollIntroViewModel
+    ): List<FingerprintEnrollIntroStatus> =
+        mutableListOf<FingerprintEnrollIntroStatus>().also {
+            backgroundScope.launch(UnconfinedTestDispatcher(testScheduler)) {
+                viewModel.pageStatusFlow.toList(it)
+            }
+        }
+
+    companion object {
+        private const val TEST_USER_ID = 33
+    }
+}