| // Copyright 2014 The Flutter 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/material.dart'; |
| import 'package:flutter_api_samples/widgets/gesture_detector/gesture_detector.1.dart' |
| as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets( |
| 'GestureDetector updates Container color on tap', |
| (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const example.GestureDetectorExampleApp(), |
| ); |
| |
| Container container = tester.widget( |
| find.ancestor( |
| of: find.byType(GestureDetector), |
| matching: find.byType(Container), |
| ), |
| ); |
| |
| expect(container.color, Colors.white); |
| |
| await tester.tap(find.byType(GestureDetector)); |
| await tester.pump(); |
| |
| container = tester.widget( |
| find.ancestor( |
| of: find.byType(GestureDetector), |
| matching: find.byType(Container), |
| ), |
| ); |
| |
| expect(container.color, Colors.yellow); |
| |
| await tester.tap(find.byType(GestureDetector)); |
| await tester.pump(); |
| |
| container = tester.widget( |
| find.ancestor( |
| of: find.byType(GestureDetector), |
| matching: find.byType(Container), |
| ), |
| ); |
| |
| expect(container.color, Colors.white); |
| }, |
| ); |
| } |