fix: 首次提交

2024-12-09 11:25:23 +08:00
parent d0c01071e9
commit 2c2109a5f3
4741 changed files with 290641 additions and 0 deletions
--- a/SettingsLib/tests/unit/Android.bp
+++ b/SettingsLib/tests/unit/Android.bp
@@ -0,0 +1,36 @@
+//
+// 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 {
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_test {
+    name: "SettingsLibUnitTests",
+    use_resource_processor: true,
+    test_suites: ["device-tests"],
+
+    srcs: [
+        "src/**/*.kt",
+    ],
+
+    static_libs: [
+        "SettingsLib",
+        "androidx.test.ext.junit",
+        "androidx.test.runner",
+        "truth",
+    ],
+}
--- a/SettingsLib/tests/unit/AndroidManifest.xml
+++ b/SettingsLib/tests/unit/AndroidManifest.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.settingslib.test">
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation
+        android:name="androidx.test.runner.AndroidJUnitRunner"
+        android:label="Tests for SettingsLib"
+        android:targetPackage="com.android.settingslib.test">
+    </instrumentation>
+</manifest>
--- a/SettingsLib/tests/unit/OWNERS
+++ b/SettingsLib/tests/unit/OWNERS
@@ -0,0 +1,2 @@
+# We do not guard tests - everyone is welcomed to contribute to tests.
+per-file *.kt=*
--- a/SettingsLib/tests/unit/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExtTest.kt
+++ b/SettingsLib/tests/unit/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExtTest.kt
@@ -0,0 +1,241 @@
+/*
+ * 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.settingslib.bluetooth
+
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothDevice
+import android.bluetooth.BluetoothLeAudioCodecConfigMetadata
+import android.bluetooth.BluetoothLeAudioContentMetadata
+import android.bluetooth.BluetoothLeBroadcastChannel
+import android.bluetooth.BluetoothLeBroadcastMetadata
+import android.bluetooth.BluetoothLeBroadcastSubgroup
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.bluetooth.BluetoothLeBroadcastMetadataExt.toQrCodeString
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class BluetoothLeBroadcastMetadataExtTest {
+
+    @Test
+    fun toQrCodeString_encrypted() {
+        val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
+            setCodecId(0x6)
+            val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
+            setCodecSpecificConfig(audioCodecConfigMetadata)
+            setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
+                    .setProgramInfo("Test").setLanguage("eng").build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(true)
+                setChannelIndex(2)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(true)
+                setChannelIndex(1)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+        }.build()
+
+        val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
+            setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
+            setSourceAdvertisingSid(1)
+            setBroadcastId(123456)
+            setBroadcastName("Test")
+            setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
+                    .setProgramInfo("pTest").build())
+            setPaSyncInterval(160)
+            setEncrypted(true)
+            setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
+            addSubgroup(subgroup)
+        }.build()
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
+    }
+
+    @Test
+    fun toQrCodeString_non_encrypted() {
+        val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
+            setCodecId(0x6)
+            val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
+            setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
+                .build())
+            setCodecSpecificConfig(audioCodecConfigMetadata)
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(true)
+                setChannelIndex(1)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+        }.build()
+
+        val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
+            setSourceDevice(DevicePublic, BluetoothDevice.ADDRESS_TYPE_PUBLIC)
+            setSourceAdvertisingSid(1)
+            setBroadcastId(0xDE51E9)
+            setBroadcastName("Hockey")
+            setAudioConfigQuality(BluetoothLeBroadcastMetadata.AUDIO_CONFIG_QUALITY_STANDARD)
+            setPaSyncInterval(0xFFFF)
+            setEncrypted(false)
+            addSubgroup(subgroup)
+        }.build()
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING_NON_ENCRYPTED)
+    }
+
+    @Test
+    fun toQrCodeString_NoChannelSelected() {
+        val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
+            setCodecId(0x6)
+            val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
+            setCodecSpecificConfig(audioCodecConfigMetadata)
+            setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
+                .setProgramInfo("Test").setLanguage("eng").build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(false)
+                setChannelIndex(2)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(false)
+                setChannelIndex(1)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+        }.build()
+
+        val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
+            setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
+            setSourceAdvertisingSid(1)
+            setBroadcastId(123456)
+            setBroadcastName("Test")
+            setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
+                .setProgramInfo("pTest").build())
+            setPaSyncInterval(160)
+            setEncrypted(true)
+            setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
+            addSubgroup(subgroup)
+        }.build()
+
+        // if no channel is selected, no preference(0xFFFFFFFFu) will be set in BIS
+        val qrCodeString = metadata.toQrCodeString()
+
+        val parsedMetadata =
+            BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(qrCodeString)!!
+
+        assertThat(parsedMetadata).isNotNull()
+        assertThat(parsedMetadata.subgroups).isNotNull()
+        assertThat(parsedMetadata.subgroups.size).isEqualTo(1)
+        assertThat(parsedMetadata.subgroups[0].channels).isNotNull()
+        assertThat(parsedMetadata.subgroups[0].channels.size).isEqualTo(1)
+        assertThat(parsedMetadata.subgroups[0].hasChannelPreference()).isFalse()
+        // placeholder channel with not selected
+        assertThat(parsedMetadata.subgroups[0].channels[0].channelIndex).isEqualTo(1)
+        assertThat(parsedMetadata.subgroups[0].channels[0].isSelected).isFalse()
+    }
+
+    @Test
+    fun toQrCodeString_OneChannelSelected() {
+        val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
+            setCodecId(0x6)
+            val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
+            setCodecSpecificConfig(audioCodecConfigMetadata)
+            setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
+                .setProgramInfo("Test").setLanguage("eng").build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(false)
+                setChannelIndex(1)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+            addChannel(BluetoothLeBroadcastChannel.Builder().apply {
+                setSelected(true)
+                setChannelIndex(2)
+                setCodecMetadata(audioCodecConfigMetadata)
+            }.build())
+        }.build()
+
+        val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
+            setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
+            setSourceAdvertisingSid(1)
+            setBroadcastId(123456)
+            setBroadcastName("Test")
+            setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
+                .setProgramInfo("pTest").build())
+            setPaSyncInterval(160)
+            setEncrypted(true)
+            setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
+            addSubgroup(subgroup)
+        }.build()
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        val parsedMetadata =
+            BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(qrCodeString)!!
+
+        assertThat(parsedMetadata).isNotNull()
+        assertThat(parsedMetadata.subgroups).isNotNull()
+        assertThat(parsedMetadata.subgroups.size).isEqualTo(1)
+        assertThat(parsedMetadata.subgroups[0].channels).isNotNull()
+        // Only selected channel can be recovered, non-selected ones will be ignored
+        assertThat(parsedMetadata.subgroups[0].channels.size).isEqualTo(1)
+        assertThat(parsedMetadata.subgroups[0].hasChannelPreference()).isTrue()
+        assertThat(parsedMetadata.subgroups[0].channels[0].channelIndex).isEqualTo(2)
+        assertThat(parsedMetadata.subgroups[0].channels[0].isSelected).isTrue()
+    }
+
+    @Test
+    fun decodeAndEncodeAgain_sameString() {
+        val metadata = BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(QR_CODE_STRING)!!
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
+    }
+
+    @Test
+    fun decodeAndEncodeAgain_sameString_non_encrypted() {
+        val metadata =
+                BluetoothLeBroadcastMetadataExt
+                        .convertToBroadcastMetadata(QR_CODE_STRING_NON_ENCRYPTED)!!
+
+        val qrCodeString = metadata.toQrCodeString()
+
+        assertThat(qrCodeString).isEqualTo(QR_CODE_STRING_NON_ENCRYPTED)
+    }
+
+    private companion object {
+        const val TEST_DEVICE_ADDRESS = "00:A1:A1:A1:A1:A1"
+        const val TEST_DEVICE_ADDRESS_PUBLIC = "AA:BB:CC:00:11:22"
+
+        val Device: BluetoothDevice =
+            BluetoothAdapter.getDefaultAdapter().getRemoteLeDevice(TEST_DEVICE_ADDRESS,
+                BluetoothDevice.ADDRESS_TYPE_RANDOM)
+
+        val DevicePublic: BluetoothDevice =
+            BluetoothAdapter.getDefaultAdapter().getRemoteLeDevice(TEST_DEVICE_ADDRESS_PUBLIC,
+                BluetoothDevice.ADDRESS_TYPE_PUBLIC)
+
+        const val QR_CODE_STRING =
+            "BLUETOOTH:UUID:184F;BN:VGVzdA==;AT:1;AD:00A1A1A1A1A1;BI:1E240;BC:VGVzdENvZGU=;" +
+            "MD:BgNwVGVzdA==;AS:1;PI:A0;NS:1;BS:3;NB:2;SM:BQNUZXN0BARlbmc=;;"
+        const val QR_CODE_STRING_NON_ENCRYPTED =
+            "BLUETOOTH:UUID:184F;BN:SG9ja2V5;AT:0;AD:AABBCC001122;BI:DE51E9;SQ:1;AS:1;PI:FFFF;" +
+            "NS:1;BS:1;NB:1;;"
+    }
+}
--- a/SettingsLib/tests/unit/src/com/android/settingslib/fuelgague/BatteryStatusTest.kt
+++ b/SettingsLib/tests/unit/src/com/android/settingslib/fuelgague/BatteryStatusTest.kt
@@ -0,0 +1,330 @@
+/*
+ * 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.settingslib.fuelgague
+
+import android.content.Context
+import android.content.Intent
+import android.os.BatteryManager
+import android.os.BatteryManager.BATTERY_PLUGGED_AC
+import android.os.BatteryManager.BATTERY_PLUGGED_DOCK
+import android.os.BatteryManager.BATTERY_PLUGGED_USB
+import android.os.BatteryManager.BATTERY_PLUGGED_WIRELESS
+import android.os.BatteryManager.BATTERY_STATUS_FULL
+import android.os.BatteryManager.BATTERY_STATUS_UNKNOWN
+import android.os.BatteryManager.CHARGING_POLICY_ADAPTIVE_LONGLIFE
+import android.os.BatteryManager.CHARGING_POLICY_DEFAULT
+import android.os.BatteryManager.EXTRA_MAX_CHARGING_CURRENT
+import android.os.BatteryManager.EXTRA_MAX_CHARGING_VOLTAGE
+import android.os.OsProtoEnums.BATTERY_PLUGGED_NONE
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settingslib.fuelgauge.BatteryStatus
+import com.android.settingslib.fuelgauge.BatteryStatus.CHARGING_FAST
+import com.android.settingslib.fuelgauge.BatteryStatus.CHARGING_REGULAR
+import com.android.settingslib.fuelgauge.BatteryStatus.CHARGING_SLOWLY
+import com.android.settingslib.fuelgauge.BatteryStatus.CHARGING_UNKNOWN
+import com.android.settingslib.fuelgauge.BatteryStatus.isBatteryDefender
+import com.google.common.truth.Truth.assertThat
+import com.google.common.truth.Truth.assertWithMessage
+import java.util.Optional
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+import org.junit.runners.Suite
+import org.junit.runners.Suite.SuiteClasses
+
+@RunWith(Suite::class)
+@SuiteClasses(
+    BatteryStatusTest.NonParameterizedTest::class,
+    BatteryStatusTest.IsPluggedInTest::class,
+    BatteryStatusTest.IsChargedTest::class,
+    BatteryStatusTest.GetChargingSpeedTest::class,
+    BatteryStatusTest.IsPluggedInDockTest::class,
+)
+open class BatteryStatusTest {
+
+    @RunWith(AndroidJUnit4::class)
+    class NonParameterizedTest : BatteryStatusTest() {
+        @Test
+        fun isLowBattery_20Percent_returnsTrue() {
+            val level = 20
+            val intent = createIntent(batteryLevel = level)
+
+            assertWithMessage("failed by isLowBattery(Intent), level=$level")
+                .that(BatteryStatus.isLowBattery(intent))
+                .isTrue()
+            assertWithMessage("failed by isLowBattery($level)")
+                .that(BatteryStatus.isLowBattery(level))
+                .isTrue()
+        }
+
+        @Test
+        fun isLowBattery_21Percent_returnsFalse() {
+            val level = 21
+            val intent = createIntent(batteryLevel = level)
+
+            assertWithMessage("failed by isLowBattery(intent), level=$level")
+                .that(BatteryStatus.isLowBattery(intent))
+                .isFalse()
+            assertWithMessage("failed by isLowBattery($level)")
+                .that(BatteryStatus.isLowBattery(intent))
+                .isFalse()
+        }
+
+        @Test
+        fun isSevereLowBattery_10Percent_returnsTrue() {
+            val batteryChangedIntent = createIntent(batteryLevel = 10)
+
+            assertThat(BatteryStatus.isSevereLowBattery(batteryChangedIntent)).isTrue()
+        }
+
+        @Test
+        fun isSevereLowBattery_11Percent_returnFalse() {
+            val batteryChangedIntent = createIntent(batteryLevel = 11)
+
+            assertThat(BatteryStatus.isSevereLowBattery(batteryChangedIntent)).isFalse()
+        }
+
+        @Test
+        fun isExtremeLowBattery_3Percent_returnsTrue() {
+            val batteryChangedIntent = createIntent(batteryLevel = 3)
+
+            assertThat(BatteryStatus.isExtremeLowBattery(batteryChangedIntent)).isTrue()
+        }
+
+        @Test
+        fun isExtremeLowBattery_4Percent_returnsFalse() {
+            val batteryChangedIntent = createIntent(batteryLevel = 4)
+
+            assertThat(BatteryStatus.isExtremeLowBattery(batteryChangedIntent)).isFalse()
+        }
+
+        @Test
+        fun isBatteryDefender_chargingLongLife_returnsTrue() {
+            val chargingStatus = CHARGING_POLICY_ADAPTIVE_LONGLIFE
+            val batteryChangedIntent = createIntent(chargingStatus = chargingStatus)
+
+            assertIsBatteryDefender(chargingStatus, batteryChangedIntent).isTrue()
+        }
+
+        @Test
+        fun isBatteryDefender_nonChargingLongLife_returnsFalse() {
+            val chargingStatus = CHARGING_POLICY_DEFAULT
+            val batteryChangedIntent = createIntent(chargingStatus = chargingStatus)
+
+            assertIsBatteryDefender(chargingStatus, batteryChangedIntent).isFalse()
+        }
+
+        private fun assertIsBatteryDefender(chargingStatus: Int, batteryChangedIntent: Intent) =
+            object {
+                val assertions =
+                    listOf(
+                        "failed by isBatteryDefender(Intent), chargingStatus=$chargingStatus".let {
+                            assertWithMessage(it).that(isBatteryDefender(batteryChangedIntent))
+                        },
+                        "failed by isBatteryDefender($chargingStatus)".let {
+                            assertWithMessage(it).that(isBatteryDefender(chargingStatus))
+                        },
+                    )
+
+                fun isTrue() = assertions.forEach { it.isTrue() }
+
+                fun isFalse() = assertions.forEach { it.isFalse() }
+            }
+    }
+
+    @RunWith(Parameterized::class)
+    class IsPluggedInTest(
+        private val name: String,
+        private val plugged: Int,
+        val expected: Boolean
+    ) : BatteryStatusTest() {
+
+        @Test
+        fun isPluggedIn_() {
+            val batteryChangedIntent = createIntent(plugged = plugged)
+
+            assertWithMessage("failed by isPluggedIn(plugged=$plugged)")
+                .that(BatteryStatus.isPluggedIn(plugged))
+                .isEqualTo(expected)
+            assertWithMessage("failed by isPlugged(Intent), which plugged=$plugged")
+                .that(BatteryStatus.isPluggedIn(batteryChangedIntent))
+                .isEqualTo(expected)
+        }
+
+        companion object {
+            @Parameterized.Parameters(name = "{0}")
+            @JvmStatic
+            fun parameters() =
+                arrayListOf(
+                    arrayOf("withAC_returnsTrue", BATTERY_PLUGGED_AC, true),
+                    arrayOf("withDock_returnsTrue", BATTERY_PLUGGED_DOCK, true),
+                    arrayOf("withUSB_returnsTrue", BATTERY_PLUGGED_USB, true),
+                    arrayOf("withWireless_returnsTrue", BATTERY_PLUGGED_WIRELESS, true),
+                    arrayOf("pluggedNone_returnsTrue", BATTERY_PLUGGED_NONE, false),
+                )
+        }
+    }
+
+    @RunWith(Parameterized::class)
+    class IsPluggedInDockTest(
+        private val name: String,
+        private val plugged: Int,
+        val expected: Boolean
+    ) : BatteryStatusTest() {
+
+        @Test
+        fun isPluggedDockIn_() {
+            val batteryChangedIntent = createIntent(plugged = plugged)
+
+            assertWithMessage("failed by isPluggedInDock(plugged=$plugged)")
+                .that(BatteryStatus.isPluggedInDock(plugged))
+                .isEqualTo(expected)
+            assertWithMessage("failed by isPluggedInDock(Intent), which plugged=$plugged")
+                .that(BatteryStatus.isPluggedInDock(batteryChangedIntent))
+                .isEqualTo(expected)
+        }
+
+        companion object {
+            @Parameterized.Parameters(name = "{0}")
+            @JvmStatic
+            fun parameters() =
+                arrayListOf(
+                    arrayOf("withAC_returnsTrue", BATTERY_PLUGGED_AC, false),
+                    arrayOf("withDock_returnsTrue", BATTERY_PLUGGED_DOCK, true),
+                    arrayOf("withUSB_returnsTrue", BATTERY_PLUGGED_USB, false),
+                    arrayOf("withWireless_returnsTrue", BATTERY_PLUGGED_WIRELESS, false),
+                    arrayOf("pluggedNone_returnsTrue", BATTERY_PLUGGED_NONE, false),
+                )
+        }
+    }
+
+    @RunWith(Parameterized::class)
+    class IsChargedTest(
+        private val status: Int,
+        private val batteryLevel: Int,
+        private val expected: Boolean
+    ) : BatteryStatusTest() {
+
+        @Test
+        fun isCharged_() {
+            val batteryChangedIntent = createIntent(batteryLevel = batteryLevel, status = status)
+
+            assertWithMessage(
+                    "failed by isCharged(Intent), status=$status, batteryLevel=$batteryLevel"
+                )
+                .that(BatteryStatus.isCharged(batteryChangedIntent))
+                .isEqualTo(expected)
+            assertWithMessage("failed by isCharged($status, $batteryLevel)")
+                .that(BatteryStatus.isCharged(status, batteryLevel))
+                .isEqualTo(expected)
+        }
+
+        companion object {
+            @Parameterized.Parameters(name = "status{0}_level{1}_returns-{2}")
+            @JvmStatic
+            fun parameters() =
+                arrayListOf(
+                    arrayOf(BATTERY_STATUS_FULL, 99, true),
+                    arrayOf(BATTERY_STATUS_UNKNOWN, 100, true),
+                    arrayOf(BATTERY_STATUS_FULL, 100, true),
+                    arrayOf(BATTERY_STATUS_UNKNOWN, 99, false),
+                )
+        }
+    }
+
+    @RunWith(Parameterized::class)
+    class GetChargingSpeedTest(
+        private val name: String,
+        private val maxChargingCurrent: Optional<Int>,
+        private val maxChargingVoltage: Optional<Int>,
+        private val expectedChargingSpeed: Int,
+    ) {
+
+        val context: Context = ApplicationProvider.getApplicationContext()
+
+        @Test
+        fun getChargingSpeed_() {
+            val batteryChangedIntent =
+                Intent(Intent.ACTION_BATTERY_CHANGED).apply {
+                    maxChargingCurrent.ifPresent { putExtra(EXTRA_MAX_CHARGING_CURRENT, it) }
+                    maxChargingVoltage.ifPresent { putExtra(EXTRA_MAX_CHARGING_VOLTAGE, it) }
+                }
+
+            assertThat(BatteryStatus.getChargingSpeed(context, batteryChangedIntent))
+                .isEqualTo(expectedChargingSpeed)
+        }
+
+        companion object {
+            @Parameterized.Parameters(name = "{0}")
+            @JvmStatic
+            fun parameters() =
+                arrayListOf(
+                    arrayOf(
+                        "maxCurrent=n/a, maxVoltage=n/a -> UNKNOWN",
+                        Optional.empty<Int>(),
+                        Optional.empty<Int>(),
+                        CHARGING_UNKNOWN
+                    ),
+                    arrayOf(
+                        "maxCurrent=0, maxVoltage=9000000 -> UNKNOWN",
+                        Optional.of(0),
+                        Optional.of(0),
+                        CHARGING_UNKNOWN
+                    ),
+                    arrayOf(
+                        "maxCurrent=1500000, maxVoltage=5000000 -> CHARGING_REGULAR",
+                        Optional.of(1500000),
+                        Optional.of(5000000),
+                        CHARGING_REGULAR
+                    ),
+                    arrayOf(
+                        "maxCurrent=1000000, maxVoltage=5000000 -> CHARGING_REGULAR",
+                        Optional.of(1000000),
+                        Optional.of(5000000),
+                        CHARGING_REGULAR
+                    ),
+                    arrayOf(
+                        "maxCurrent=1500001, maxVoltage=5000000 -> CHARGING_FAST",
+                        Optional.of(1501000),
+                        Optional.of(5000000),
+                        CHARGING_FAST
+                    ),
+                    arrayOf(
+                        "maxCurrent=999999, maxVoltage=5000000 -> CHARGING_SLOWLY",
+                        Optional.of(999999),
+                        Optional.of(5000000),
+                        CHARGING_SLOWLY
+                    ),
+                )
+        }
+    }
+
+    protected fun createIntent(
+        batteryLevel: Int = 50,
+        chargingStatus: Int = CHARGING_POLICY_DEFAULT,
+        plugged: Int = BATTERY_PLUGGED_NONE,
+        status: Int = BatteryManager.BATTERY_STATUS_CHARGING,
+    ): Intent =
+        Intent(Intent.ACTION_BATTERY_CHANGED).apply {
+            putExtra(BatteryManager.EXTRA_STATUS, status)
+            putExtra(BatteryManager.EXTRA_LEVEL, batteryLevel)
+            putExtra(BatteryManager.EXTRA_SCALE, 100)
+            putExtra(BatteryManager.EXTRA_CHARGING_STATUS, chargingStatus)
+            putExtra(BatteryManager.EXTRA_PLUGGED, plugged)
+        }
+}