| // 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/material/switch/switch.0.dart' as example; | 
 | import 'package:flutter_test/flutter_test.dart'; | 
 |  | 
 | void main() { | 
 |   testWidgets('Can toggle switch', (WidgetTester tester) async { | 
 |     await tester.pumpWidget(const example.SwitchApp()); | 
 |  | 
 |     final Finder switchFinder = find.byType(Switch); | 
 |     Switch materialSwitch = tester.widget<Switch>(switchFinder); | 
 |     expect(materialSwitch.value, true); | 
 |  | 
 |     await tester.tap(switchFinder); | 
 |     await tester.pumpAndSettle(); | 
 |     materialSwitch = tester.widget<Switch>(switchFinder); | 
 |     expect(materialSwitch.value, false); | 
 |   }); | 
 | } |