| // 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/cupertino.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| TestWidgetsFlutterBinding.ensureInitialized(); |
| |
| testWidgets('can press', (WidgetTester tester) async { |
| bool pressed = false; |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Center( |
| child: CupertinoTextSelectionToolbarButton( |
| child: const Text('Tap me'), |
| onPressed: () { |
| pressed = true; |
| }, |
| ), |
| ), |
| ), |
| ); |
| |
| expect(pressed, false); |
| |
| await tester.tap(find.byType(CupertinoTextSelectionToolbarButton)); |
| expect(pressed, true); |
| }); |
| |
| testWidgets('pressedOpacity defaults to 0.1', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Center( |
| child: CupertinoTextSelectionToolbarButton( |
| child: const Text('Tap me'), |
| onPressed: () { }, |
| ), |
| ), |
| ), |
| ); |
| |
| // Original at full opacity. |
| FadeTransition opacity = tester.widget(find.descendant( |
| of: find.byType(CupertinoTextSelectionToolbarButton), |
| matching: find.byType(FadeTransition), |
| )); |
| expect(opacity.opacity.value, 1.0); |
| |
| // Make a "down" gesture on the button. |
| final Offset center = tester.getCenter(find.byType(CupertinoTextSelectionToolbarButton)); |
| final TestGesture gesture = await tester.startGesture(center); |
| await tester.pumpAndSettle(); |
| |
| // Opacity reduces during the down gesture. |
| opacity = tester.widget(find.descendant( |
| of: find.byType(CupertinoTextSelectionToolbarButton), |
| matching: find.byType(FadeTransition), |
| )); |
| expect(opacity.opacity.value, 0.7); |
| |
| // Release the down gesture. |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| |
| // Opacity is back to normal. |
| opacity = tester.widget(find.descendant( |
| of: find.byType(CupertinoTextSelectionToolbarButton), |
| matching: find.byType(FadeTransition), |
| )); |
| expect(opacity.opacity.value, 1.0); |
| }); |
| } |