| // 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.2.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('Switch thumb icon supports material states', (WidgetTester tester) async { |
| const Set<MaterialState> selected = <MaterialState>{ MaterialState.selected }; |
| const Set<MaterialState> unselected = <MaterialState>{}; |
| |
| await tester.pumpWidget( |
| const example.SwitchApp(), |
| ); |
| |
| Switch materialSwitch = tester.widget<Switch>(find.byType(Switch).first); |
| expect(materialSwitch.thumbIcon, null); |
| |
| materialSwitch = tester.widget<Switch>(find.byType(Switch).last); |
| expect(materialSwitch.thumbIcon, isNotNull); |
| expect( |
| materialSwitch.thumbIcon!.resolve(selected)!.icon, |
| Icons.check, |
| ); |
| expect( |
| materialSwitch.thumbIcon!.resolve(unselected)!.icon, |
| Icons.close, |
| ); |
| }); |
| } |