51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
// This is a basic Flutter widget test.
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//
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// To perform an interaction with a widget in your test, use the WidgetTester
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// utility in the flutter_test package. For example, you can send tap and scroll
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// gestures. You can also use WidgetTester to find child widgets in the widget
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// tree, read text, and verify that the values of widget properties are correct.
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter_study/main.dart';
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void main() {
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// testWidgets('Counter increments smoke test', (WidgetTester tester) async {
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// // Build our app and trigger a frame.
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// await tester.pumpWidget(const MyApp());
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//
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// // Verify that our counter starts at 0.
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// expect(find.text('0'), findsOneWidget);
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// expect(find.text('1'), findsNothing);
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//
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// // Tap the '+' icon and trigger a frame.
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// await tester.tap(find.byIcon(Icons.add));
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// await tester.pump();
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//
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// // Verify that our counter has incremented.
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// expect(find.text('0'), findsNothing);
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// expect(find.text('1'), findsOneWidget);
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// });
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Future.delayed(const Duration(seconds: 3), () {
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return "future delayed 3 sec";
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})
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.then((value) => print("success"));
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Future.delayed(Duration(seconds: 2),(){
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//return "hi world!";
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throw AssertionError("Error");
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}).then((data){
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//执行成功会走到这里
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print("success");
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}).catchError((e){
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//执行失败会走到这里
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print(e);
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});
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print("object");
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}
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