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72 lines
2.5 KiB
Dart
72 lines
2.5 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter_web_test/flutter_web_test.dart';
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import 'package:flutter_web/material.dart';
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void main() {
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testWidgets('TickerMode', (WidgetTester tester) async {
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const Widget widget =
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TickerMode(enabled: false, child: CircularProgressIndicator());
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expect(widget.toString, isNot(throwsException));
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await tester.pumpWidget(widget);
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expect(tester.binding.transientCallbackCount, 0);
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await tester.pumpWidget(
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const TickerMode(enabled: true, child: CircularProgressIndicator()));
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expect(tester.binding.transientCallbackCount, 1);
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await tester.pumpWidget(
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const TickerMode(enabled: false, child: CircularProgressIndicator()));
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expect(tester.binding.transientCallbackCount, 0);
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});
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testWidgets('Navigation with TickerMode', (WidgetTester tester) async {
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await tester.pumpWidget(MaterialApp(
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home: const LinearProgressIndicator(),
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routes: <String, WidgetBuilder>{
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'/test': (BuildContext context) => const Text('hello'),
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},
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));
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expect(tester.binding.transientCallbackCount, 1);
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tester.state<NavigatorState>(find.byType(Navigator)).pushNamed('/test');
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expect(tester.binding.transientCallbackCount, 2);
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await tester.pump();
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expect(tester.binding.transientCallbackCount, 2);
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await tester.pump(const Duration(seconds: 5));
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expect(tester.binding.transientCallbackCount, 0);
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tester.state<NavigatorState>(find.byType(Navigator)).pop();
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expect(tester.binding.transientCallbackCount, 1);
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await tester.pump();
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expect(tester.binding.transientCallbackCount, 2);
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await tester.pump(const Duration(seconds: 5));
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expect(tester.binding.transientCallbackCount, 1);
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});
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testWidgets('SingleTickerProviderStateMixin can handle not being used',
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(WidgetTester tester) async {
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final Widget widget = BoringTickerTest();
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expect(widget.toString, isNot(throwsException));
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await tester.pumpWidget(widget);
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await tester.pumpWidget(Container());
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// the test is that this doesn't crash, like it used to...
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});
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}
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class BoringTickerTest extends StatefulWidget {
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@override
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_BoringTickerTestState createState() => _BoringTickerTestState();
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}
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class _BoringTickerTestState extends State<BoringTickerTest>
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with SingleTickerProviderStateMixin {
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@override
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Widget build(BuildContext context) => Container();
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}
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