| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter_test/flutter_test.dart' hide TypeMatcher; |
| import 'package:flutter/widgets.dart'; |
| |
| typedef void TestCallback(BuildContext context); |
| |
| class TestWidget extends StatefulWidget { |
| const TestWidget(this.callback); |
| |
| final TestCallback callback; |
| |
| @override |
| TestWidgetState createState() => new TestWidgetState(); |
| } |
| |
| class TestWidgetState extends State<TestWidget> { |
| @override |
| void dispose() { |
| widget.callback(context); |
| super.dispose(); |
| } |
| |
| @override |
| Widget build(BuildContext context) => const Text('test', textDirection: TextDirection.ltr); |
| } |
| |
| void main() { |
| testWidgets('inheritFromWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.inheritFromWidgetOfExactType(Container); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('ancestorInheritedElementForWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.ancestorInheritedElementForWidgetOfExactType(Container); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('ancestorWidgetOfExactType() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.ancestorWidgetOfExactType(Container); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('ancestorStateOfType() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.ancestorStateOfType(const TypeMatcher<Container>()); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('ancestorRenderObjectOfType() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.ancestorRenderObjectOfType(const TypeMatcher<Container>()); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('visitAncestorElements() called from dispose() throws error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| context.visitAncestorElements((Element element) { }); |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| expect(tester.takeException(), isFlutterError); |
| }); |
| |
| testWidgets('dispose() method does not unconditionally throw an error', (WidgetTester tester) async { |
| bool disposeCalled = false; |
| await tester.pumpWidget( |
| new TestWidget((BuildContext context) { |
| disposeCalled = true; |
| }), |
| ); |
| await tester.pumpWidget(new Container()); |
| expect(disposeCalled, isTrue); |
| }); |
| |
| |
| |
| } |