| // Copyright 2015 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'; |
| import 'package:flutter/widgets.dart'; |
| |
| class Inside extends StatefulWidget { |
| @override |
| InsideState createState() => new InsideState(); |
| } |
| |
| class InsideState extends State<Inside> { |
| @override |
| Widget build(BuildContext context) { |
| return new Listener( |
| onPointerDown: _handlePointerDown, |
| child: const Text('INSIDE', textDirection: TextDirection.ltr), |
| ); |
| } |
| |
| void _handlePointerDown(PointerDownEvent event) { |
| setState(() { }); |
| } |
| } |
| |
| class Middle extends StatefulWidget { |
| const Middle({ this.child }); |
| |
| final Inside child; |
| |
| @override |
| MiddleState createState() => new MiddleState(); |
| } |
| |
| class MiddleState extends State<Middle> { |
| @override |
| Widget build(BuildContext context) { |
| return new Listener( |
| onPointerDown: _handlePointerDown, |
| child: widget.child, |
| ); |
| } |
| |
| void _handlePointerDown(PointerDownEvent event) { |
| setState(() { }); |
| } |
| } |
| |
| class Outside extends StatefulWidget { |
| @override |
| OutsideState createState() => new OutsideState(); |
| } |
| |
| class OutsideState extends State<Outside> { |
| @override |
| Widget build(BuildContext context) { |
| return new Middle(child: new Inside()); |
| } |
| } |
| |
| void main() { |
| testWidgets('setState() smoke test', (WidgetTester tester) async { |
| await tester.pumpWidget(new Outside()); |
| final Offset location = tester.getCenter(find.text('INSIDE')); |
| final TestGesture gesture = await tester.startGesture(location); |
| await tester.pump(); |
| await gesture.up(); |
| await tester.pump(); |
| }); |
| } |