| // 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_list_tile/switch_list_tile.1.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('Switch aligns appropriately', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const example.SwitchListTileApp(), |
| ); |
| |
| expect(find.byType(SwitchListTile), findsNWidgets(3)); |
| |
| Offset tileTopLeft = tester.getTopLeft(find.byType(SwitchListTile).at(0)); |
| Offset switchTopLeft = tester.getTopLeft(find.byType(Switch).at(0)); |
| |
| // The switch is centered vertically with the text. |
| expect(switchTopLeft - tileTopLeft, const Offset(716.0, 16.0)); |
| |
| tileTopLeft = tester.getTopLeft(find.byType(SwitchListTile).at(1)); |
| switchTopLeft = tester.getTopLeft(find.byType(Switch).at(1)); |
| |
| // The switch is centered vertically with the text. |
| expect(switchTopLeft - tileTopLeft, const Offset(716.0, 30.0)); |
| |
| tileTopLeft = tester.getTopLeft(find.byType(SwitchListTile).at(2)); |
| switchTopLeft = tester.getTopLeft(find.byType(Switch).at(2)); |
| |
| // The switch is aligned to the top vertically with the text. |
| expect(switchTopLeft - tileTopLeft, const Offset(716.0, 8.0)); |
| }); |
| |
| testWidgets('Switches can be checked', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const example.SwitchListTileApp(), |
| ); |
| |
| expect(find.byType(SwitchListTile), findsNWidgets(3)); |
| |
| // All switches are on. |
| expect(tester.widget<Switch>(find.byType(Switch).at(0)).value, isTrue); |
| expect(tester.widget<Switch>(find.byType(Switch).at(1)).value, isTrue); |
| expect(tester.widget<Switch>(find.byType(Switch).at(2)).value, isTrue); |
| |
| // Tap the first switch. |
| await tester.tap(find.byType(Switch).at(0)); |
| await tester.pumpAndSettle(); |
| |
| // The first switch is off. |
| expect(tester.widget<Switch>(find.byType(Switch).at(0)).value, isFalse); |
| expect(tester.widget<Switch>(find.byType(Switch).at(1)).value, isTrue); |
| expect(tester.widget<Switch>(find.byType(Switch).at(2)).value, isTrue); |
| |
| // Tap the second switch. |
| await tester.tap(find.byType(Switch).at(1)); |
| await tester.pumpAndSettle(); |
| |
| // The first and second switches are off. |
| expect(tester.widget<Switch>(find.byType(Switch).at(0)).value, isFalse); |
| expect(tester.widget<Switch>(find.byType(Switch).at(1)).value, isFalse); |
| expect(tester.widget<Switch>(find.byType(Switch).at(2)).value, isTrue); |
| |
| // Tap the third switch. |
| await tester.tap(find.byType(Switch).at(2)); |
| await tester.pumpAndSettle(); |
| |
| // All switches are off. |
| expect(tester.widget<Switch>(find.byType(Switch).at(0)).value, isFalse); |
| expect(tester.widget<Switch>(find.byType(Switch).at(1)).value, isFalse); |
| expect(tester.widget<Switch>(find.byType(Switch).at(2)).value, isFalse); |
| }); |
| } |