90 lines
2.5 KiB
Dart
90 lines
2.5 KiB
Dart
// Copyright 2014 The Flutter 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/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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class TestStatusTransitionWidget extends StatusTransitionWidget {
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const TestStatusTransitionWidget({super.key, required this.builder, required super.animation});
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final WidgetBuilder builder;
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@override
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Widget build(BuildContext context) => builder(context);
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}
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void main() {
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testWidgets('Status transition control test', (WidgetTester tester) async {
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var didBuild = false;
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final controller = AnimationController(
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duration: const Duration(seconds: 1),
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vsync: const TestVSync(),
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);
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addTearDown(controller.dispose);
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await tester.pumpWidget(
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TestStatusTransitionWidget(
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animation: controller,
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builder: (BuildContext context) {
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expect(didBuild, isFalse);
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didBuild = true;
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return Container();
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},
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),
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);
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expect(didBuild, isTrue);
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didBuild = false;
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controller.forward();
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expect(didBuild, isFalse);
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await tester.pump();
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expect(didBuild, isTrue);
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didBuild = false;
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isFalse);
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await tester.pump(const Duration(milliseconds: 850));
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expect(didBuild, isFalse);
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isTrue);
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didBuild = false;
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controller.forward();
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isFalse);
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controller.stop();
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isFalse);
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final anotherController = AnimationController(
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duration: const Duration(seconds: 1),
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vsync: const TestVSync(),
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);
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addTearDown(anotherController.dispose);
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await tester.pumpWidget(
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TestStatusTransitionWidget(
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animation: anotherController,
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builder: (BuildContext context) {
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expect(didBuild, isFalse);
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didBuild = true;
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return Container();
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},
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),
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);
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expect(didBuild, isTrue);
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didBuild = false;
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controller.reverse();
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isFalse);
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anotherController.forward();
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await tester.pump(const Duration(milliseconds: 100));
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expect(didBuild, isTrue);
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didBuild = false;
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controller.stop();
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anotherController.stop();
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});
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}
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