64 lines
1.8 KiB
Dart
64 lines
1.8 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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void main() {
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testWidgets('StatefulWidget BuildContext.mounted', (WidgetTester tester) async {
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late BuildContext capturedContext;
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await tester.pumpWidget(TestStatefulWidget(
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onBuild: (BuildContext context) {
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capturedContext = context;
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}
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));
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expect(capturedContext.mounted, isTrue);
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await tester.pumpWidget(Container());
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expect(capturedContext.mounted, isFalse);
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});
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testWidgets('StatelessWidget BuildContext.mounted', (WidgetTester tester) async {
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late BuildContext capturedContext;
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await tester.pumpWidget(TestStatelessWidget(
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onBuild: (BuildContext context) {
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capturedContext = context;
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}
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));
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expect(capturedContext.mounted, isTrue);
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await tester.pumpWidget(Container());
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expect(capturedContext.mounted, isFalse);
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});
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}
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typedef BuildCallback = void Function(BuildContext context);
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class TestStatelessWidget extends StatelessWidget {
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const TestStatelessWidget({super.key, required this.onBuild});
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final BuildCallback onBuild;
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@override
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Widget build(BuildContext context) {
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onBuild(context);
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return Container();
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}
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}
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class TestStatefulWidget extends StatefulWidget {
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const TestStatefulWidget({super.key, required this.onBuild});
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final BuildCallback onBuild;
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@override
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State<TestStatefulWidget> createState() => _TestStatefulWidgetState();
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}
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class _TestStatefulWidgetState extends State<TestStatefulWidget> {
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@override
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Widget build(BuildContext context) {
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widget.onBuild(context);
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return Container();
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}
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}
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