| // 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. |
| |
| // This file is run as part of a reduced test set in CI on Mac and Windows |
| // machines. |
| @Tags(<String>['reduced-test-set']) |
| library; |
| |
| import 'dart:math'; |
| import 'dart:ui'; |
| |
| import 'package:flutter/cupertino.dart'; |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../widgets/semantics_tester.dart'; |
| |
| void main() { |
| testWidgets('Overall appearance is correct for the light theme', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| TestScaffoldApp( |
| theme: const CupertinoThemeData(brightness: Brightness.light), |
| dialog: CupertinoAlertDialog( |
| content: const Text('The content'), |
| actions: <Widget>[ |
| CupertinoDialogAction(child: const Text('One'), onPressed: () {}), |
| CupertinoDialogAction(child: const Text('Two'), onPressed: () {}), |
| ], |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('One'))); |
| await tester.pumpAndSettle(); |
| // This golden file also verifies the structure of an alert dialog that |
| // has a content, no title, and no overscroll for any sections (in contrast |
| // to cupertinoAlertDialog.dark-theme.png). |
| await expectLater( |
| find.byType(CupertinoApp), |
| matchesGoldenFile('cupertinoAlertDialog.overall-light-theme.png'), |
| ); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('Overall appearance is correct for the dark theme', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| TestScaffoldApp( |
| theme: const CupertinoThemeData(brightness: Brightness.dark), |
| dialog: CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content'), |
| actions: List<Widget>.generate(20, (int i) => |
| CupertinoDialogAction( |
| onPressed: () {}, |
| child: Text('Button $i'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Button 0'))); |
| await tester.pumpAndSettle(); |
| // This golden file also verifies the structure of an action sheet that |
| // has both a message and a title, and an overscrolled action section (in |
| // contrast to cupertinoAlertDialog.light-theme.png). |
| await expectLater( |
| find.byType(CupertinoApp), |
| matchesGoldenFile('cupertinoAlertDialog.overall-dark-theme.png'), |
| ); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('Taps on button calls onPressed', (WidgetTester tester) async { |
| bool didDelete = false; |
| |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content'), |
| actions: <Widget>[ |
| const CupertinoDialogAction( |
| child: Text('Cancel'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| onPressed: () { |
| didDelete = true; |
| Navigator.pop(context); |
| }, |
| child: const Text('Delete'), |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| expect(didDelete, isFalse); |
| |
| await tester.tap(find.text('Delete')); |
| await tester.pump(); |
| |
| expect(didDelete, isTrue); |
| expect(find.text('Delete'), findsNothing); |
| }); |
| |
| testWidgets('Can tap after scrolling', (WidgetTester tester) async { |
| int? wasPressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: List<Widget>.generate(20, (int i) => |
| CupertinoDialogAction( |
| onPressed: () { |
| expect(wasPressed, null); |
| wasPressed = i; |
| }, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| expect(find.text('Button 19').hitTestable(), findsNothing); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Button 1'))); |
| await tester.pumpAndSettle(); |
| // The dragging gesture must be dispatched in at least two segments. |
| // The first movement starts the gesture without setting a delta. |
| await gesture.moveBy(const Offset(0, -20)); |
| await tester.pumpAndSettle(); |
| await gesture.moveBy(const Offset(0, -1000)); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| expect(find.text('Button 19').hitTestable(), findsOne); |
| |
| await tester.tap(find.text('Button 19')); |
| await tester.pumpAndSettle(); |
| expect(wasPressed, 19); |
| }); |
| |
| testWidgets('Taps at the padding of buttons calls onPressed', (WidgetTester tester) async { |
| // Ensures that the entire button responds to hit tests, not just the text |
| // part. |
| bool wasPressed = false; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| child: const Text('One'), |
| onPressed: () { |
| expect(wasPressed, false); |
| wasPressed = true; |
| Navigator.pop(context); |
| }, |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| |
| expect(wasPressed, isFalse); |
| |
| await tester.tapAt( |
| tester.getTopLeft(find.text('One')) - const Offset(20, 0), |
| ); |
| |
| expect(wasPressed, isTrue); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| |
| expect(find.text('One'), findsNothing); |
| }); |
| |
| testWidgets('Taps on a button can be slided to other buttons', (WidgetTester tester) async { |
| int? pressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| child: const Text('One'), |
| onPressed: () { |
| expect(pressed, null); |
| pressed = 1; |
| Navigator.pop(context); |
| }, |
| ), |
| CupertinoDialogAction( |
| child: const Text('Two'), |
| onPressed: () { |
| expect(pressed, null); |
| pressed = 2; |
| Navigator.pop(context); |
| }, |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| expect(pressed, null); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Two'))); |
| await tester.pumpAndSettle(); |
| |
| await gesture.moveTo(tester.getCenter(find.text('One'))); |
| await tester.pumpAndSettle(); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.press-drag.png'), |
| ); |
| |
| await gesture.up(); |
| expect(pressed, 1); |
| await tester.pumpAndSettle(); |
| expect(find.text('One'), findsNothing); |
| }); |
| |
| testWidgets('Taps on the content can be slided to other buttons', (WidgetTester tester) async { |
| bool wasPressed = false; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| child: const Text('One'), |
| onPressed: () { |
| expect(wasPressed, false); |
| wasPressed = true; |
| Navigator.pop(context); |
| }, |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| expect(wasPressed, false); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('The title'))); |
| await tester.pumpAndSettle(); |
| |
| await gesture.moveTo(tester.getCenter(find.text('One'))); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| expect(wasPressed, true); |
| await tester.pumpAndSettle(); |
| expect(find.text('One'), findsNothing); |
| }); |
| |
| testWidgets('Taps on the barrier can not be slided to buttons', (WidgetTester tester) async { |
| bool wasPressed = false; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| child: const Text('Cancel'), |
| onPressed: () { |
| expect(wasPressed, false); |
| wasPressed = true; |
| Navigator.pop(context); |
| }, |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| expect(wasPressed, false); |
| |
| // Press on the barrier. |
| final TestGesture gesture = await tester.startGesture(const Offset(100, 100)); |
| await tester.pumpAndSettle(); |
| |
| await gesture.moveTo(tester.getCenter(find.text('Cancel'))); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| expect(wasPressed, false); |
| await tester.pumpAndSettle(); |
| expect(find.text('Cancel'), findsOne); |
| }); |
| |
| testWidgets('Sliding taps can still yield to scrolling after horizontal movement', (WidgetTester tester) async { |
| int? pressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| content: Text('Long message' * 200), |
| actions: List<Widget>.generate(10, (int i) => |
| CupertinoDialogAction( |
| onPressed: () { |
| expect(pressed, null); |
| pressed = i; |
| }, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| // Starts on a button. |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Button 0'))); |
| await tester.pumpAndSettle(); |
| // Move horizontally. |
| await gesture.moveBy(const Offset(-10, 2)); |
| await gesture.moveBy(const Offset(-100, 2)); |
| await tester.pumpAndSettle(); |
| // Scroll up. |
| await gesture.moveBy(const Offset(0, -40)); |
| await gesture.moveBy(const Offset(0, -1000)); |
| await tester.pumpAndSettle(); |
| // Stop scrolling. |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| // The actions section should have been scrolled up and Button 9 is visible. |
| await tester.tap(find.text('Button 9')); |
| expect(pressed, 9); |
| }); |
| |
| testWidgets('Sliding taps is responsive even before the drag starts', (WidgetTester tester) async { |
| int? pressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| content: Text('Long message' * 200), |
| actions: List<Widget>.generate(10, (int i) => |
| CupertinoDialogAction( |
| onPressed: () { |
| expect(pressed, null); |
| pressed = i; |
| }, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| // Find the location right within the upper edge of button 1. |
| final Offset start = tester.getTopLeft( |
| find.widgetWithText(CupertinoDialogAction, 'Button 1'), |
| ) + const Offset(30, 5); |
| // Verify that the start location is within button 1. |
| await tester.tapAt(start); |
| expect(pressed, 1); |
| pressed = null; |
| |
| final TestGesture gesture = await tester.startGesture(start); |
| await tester.pumpAndSettle(); |
| // Move slightly upwards without starting the drag |
| await gesture.moveBy(const Offset(0, -10)); |
| await tester.pumpAndSettle(); |
| // Stop scrolling. |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| expect(pressed, 0); |
| }); |
| |
| testWidgets('Sliding taps only recognizes the primary pointer', (WidgetTester tester) async { |
| int? pressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| actions: List<Widget>.generate(8, (int i) => |
| CupertinoDialogAction( |
| onPressed: () { |
| expect(pressed, null); |
| pressed = i; |
| }, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| // Start gesture 1 at button 0 |
| final TestGesture gesture1 = await tester.startGesture(tester.getCenter(find.text('Button 0'))); |
| await gesture1.moveBy(const Offset(0, 20)); // Starts the gesture |
| await tester.pumpAndSettle(); |
| |
| // Start gesture 2 at button 1. |
| final TestGesture gesture2 = await tester.startGesture(tester.getCenter(find.text('Button 1'))); |
| await gesture2.moveBy(const Offset(0, 20)); // Starts the gesture |
| await tester.pumpAndSettle(); |
| |
| // Move gesture 1 to button 2 and release. |
| await gesture1.moveTo(tester.getCenter(find.text('Button 2'))); |
| await tester.pumpAndSettle(); |
| await gesture1.up(); |
| await tester.pumpAndSettle(); |
| |
| expect(pressed, 2); |
| pressed = null; |
| |
| // Tap at button 3, which becomes the new primary pointer and is recognized. |
| await tester.tap(find.text('Button 3')); |
| await tester.pumpAndSettle(); |
| expect(pressed, 3); |
| pressed = null; |
| |
| // Move gesture 2 to button 4 and release. |
| await gesture2.moveTo(tester.getCenter(find.text('Button 4'))); |
| await tester.pumpAndSettle(); |
| await gesture2.up(); |
| await tester.pumpAndSettle(); |
| |
| // Non-primary pointers should not be recognized. |
| expect(pressed, null); |
| }); |
| |
| testWidgets('Non-primary pointers can trigger scroll', (WidgetTester tester) async { |
| int? pressed; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: List<Widget>.generate(12, (int i) => |
| CupertinoDialogAction( |
| onPressed: () { |
| expect(pressed, null); |
| pressed = i; |
| }, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| // Start gesture 1 at button 0 |
| final TestGesture gesture1 = await tester.startGesture(tester.getCenter(find.text('Button 0'))); |
| await tester.pumpAndSettle(); |
| |
| expect(tester.getTopLeft(find.text('Button 11')).dy, greaterThan(400)); |
| |
| // Start gesture 2 at button 1 and scrolls. |
| final TestGesture gesture2 = await tester.startGesture(tester.getCenter(find.text('Button 1'))); |
| await gesture2.moveBy(const Offset(0, -20)); |
| await gesture2.moveBy(const Offset(0, -500)); |
| await tester.pumpAndSettle(); |
| |
| expect(tester.getTopLeft(find.text('Button 11')).dy, lessThan(400)); |
| |
| // Release gesture 1, which should not trigger any buttons. |
| await gesture1.up(); |
| await tester.pumpAndSettle(); |
| |
| expect(pressed, null); |
| }); |
| |
| testWidgets('Taps on legacy button calls onPressed and renders correctly', (WidgetTester tester) async { |
| // Legacy buttons are implemented with [GestureDetector.onTap]. Apps that |
| // use customized legacy buttons should continue to work. |
| bool wasPressed = false; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: <Widget>[ |
| LegacyAction( |
| child: const Text('Legacy'), |
| onPressed: () { |
| expect(wasPressed, false); |
| wasPressed = true; |
| Navigator.pop(context); |
| }, |
| ), |
| CupertinoDialogAction(child: const Text('One'), onPressed: () {}), |
| CupertinoDialogAction(child: const Text('Two'), onPressed: () {}), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| expect(wasPressed, isFalse); |
| |
| // Push the legacy button and hold for a while to activate the pressing effect. |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Legacy'))); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(wasPressed, isFalse); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.legacyButton.png'), |
| ); |
| |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| expect(wasPressed, isTrue); |
| expect(find.text('Legacy'), findsNothing); |
| }); |
| |
| testWidgets('Dialog not barrier dismissible by default', (WidgetTester tester) async { |
| await tester.pumpWidget(createAppWithCenteredButton(const Text('Go'))); |
| |
| final BuildContext context = tester.element(find.text('Go')); |
| |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return Container( |
| width: 100.0, |
| height: 100.0, |
| alignment: Alignment.center, |
| child: const Text('Dialog'), |
| ); |
| }, |
| ); |
| |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(find.text('Dialog'), findsOneWidget); |
| |
| // Tap on the barrier, which shouldn't do anything this time. |
| await tester.tapAt(const Offset(10.0, 10.0)); |
| |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(find.text('Dialog'), findsOneWidget); |
| |
| }); |
| |
| testWidgets('Dialog configurable to be barrier dismissible', (WidgetTester tester) async { |
| await tester.pumpWidget(createAppWithCenteredButton(const Text('Go'))); |
| |
| final BuildContext context = tester.element(find.text('Go')); |
| |
| showCupertinoDialog<void>( |
| context: context, |
| barrierDismissible: true, |
| builder: (BuildContext context) { |
| return Container( |
| width: 100.0, |
| height: 100.0, |
| alignment: Alignment.center, |
| child: const Text('Dialog'), |
| ); |
| }, |
| ); |
| |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(find.text('Dialog'), findsOneWidget); |
| |
| // Tap off the barrier. |
| await tester.tapAt(const Offset(10.0, 10.0)); |
| |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(find.text('Dialog'), findsNothing); |
| }); |
| |
| testWidgets('Dialog destructive action style', (WidgetTester tester) async { |
| await tester.pumpWidget(boilerplate(const CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('Ok'), |
| ))); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.color!.withAlpha(255), CupertinoColors.systemRed.color); |
| }); |
| |
| testWidgets('Dialog default action style', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoTheme( |
| data: const CupertinoThemeData( |
| primaryColor: CupertinoColors.systemGreen, |
| ), |
| child: boilerplate(const CupertinoDialogAction( |
| child: Text('Ok'), |
| )), |
| ), |
| ); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.color!.withAlpha(255), CupertinoColors.systemGreen.color); |
| expect(widget.style.fontFamily, 'CupertinoSystemText'); |
| }); |
| |
| testWidgets('Dialog dark theme', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: MediaQuery( |
| data: const MediaQueryData(platformBrightness: Brightness.dark), |
| child: CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: const Text('Content'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| isDefaultAction: true, |
| onPressed: () {}, |
| child: const Text('Cancel'), |
| ), |
| const CupertinoDialogAction(child: Text('OK')), |
| ], |
| ), |
| ), |
| ), |
| ); |
| |
| final RichText cancelText = tester.widget<RichText>( |
| find.descendant(of: find.text('Cancel'), matching: find.byType(RichText)), |
| ); |
| |
| expect( |
| cancelText.text.style!.color!.value, |
| 0xFF0A84FF, // dark elevated color of systemBlue. |
| ); |
| |
| expect( |
| find.byType(CupertinoAlertDialog), |
| paints..rect(color: const Color(0xBF1E1E1E)), |
| ); |
| }); |
| |
| testWidgets('Has semantic annotations', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| await tester.pumpWidget(const CupertinoApp( |
| home: CupertinoAlertDialog( |
| title: Text('The Title'), |
| content: Text('Content'), |
| actions: <Widget>[ |
| CupertinoDialogAction(child: Text('Cancel')), |
| CupertinoDialogAction(child: Text('OK')), |
| ], |
| ), |
| )); |
| |
| expect( |
| semantics, |
| hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute], |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.scopesRoute, SemanticsFlag.namesRoute], |
| label: 'Alert', |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasImplicitScrolling, |
| ], |
| children: <TestSemantics>[ |
| TestSemantics(label: 'The Title'), |
| TestSemantics(label: 'Content'), |
| ], |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.hasImplicitScrolling, |
| ], |
| children: <TestSemantics>[ |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.isButton], |
| label: 'Cancel', |
| ), |
| TestSemantics( |
| flags: <SemanticsFlag>[SemanticsFlag.isButton], |
| label: 'OK', |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ], |
| ), |
| ignoreId: true, |
| ignoreRect: true, |
| ignoreTransform: true, |
| ), |
| ); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('Dialog default action style', (WidgetTester tester) async { |
| await tester.pumpWidget(boilerplate(const CupertinoDialogAction( |
| isDefaultAction: true, |
| child: Text('Ok'), |
| ))); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.fontWeight, equals(FontWeight.w600)); |
| }); |
| |
| testWidgets('Dialog default and destructive action styles', (WidgetTester tester) async { |
| await tester.pumpWidget(boilerplate(const CupertinoDialogAction( |
| isDefaultAction: true, |
| isDestructiveAction: true, |
| child: Text('Ok'), |
| ))); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.color!.withAlpha(255), CupertinoColors.systemRed.color); |
| expect(widget.style.fontWeight, equals(FontWeight.w600)); |
| }); |
| |
| testWidgets('Dialog disabled action style', (WidgetTester tester) async { |
| await tester.pumpWidget(boilerplate(const CupertinoDialogAction( |
| child: Text('Ok'), |
| ))); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.color!.opacity, greaterThanOrEqualTo(127 / 255)); |
| expect(widget.style.color!.opacity, lessThanOrEqualTo(128 / 255)); |
| }); |
| |
| testWidgets('Dialog enabled action style', (WidgetTester tester) async { |
| await tester.pumpWidget(boilerplate(CupertinoDialogAction( |
| child: const Text('Ok'), |
| onPressed: () {}, |
| ))); |
| |
| final DefaultTextStyle widget = tester.widget(find.byType(DefaultTextStyle)); |
| |
| expect(widget.style.color!.opacity, equals(1.0)); |
| }); |
| |
| testWidgets('Pressing on disabled buttons does not trigger highlight', (WidgetTester tester) async { |
| bool pressedEnable = false; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: <Widget>[ |
| const CupertinoDialogAction(child: Text('Disabled')), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| onPressed: () { |
| pressedEnable = true; |
| Navigator.pop(context); |
| }, |
| child: const Text('Enabled'), |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Disabled'))); |
| |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| |
| // This should look exactly like an idle dialog. |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.press_disabled.png'), |
| ); |
| |
| // Verify that gestures that started on a disabled button can slide onto an |
| // enabled button. |
| await gesture.moveTo(tester.getCenter(find.text('Enabled'))); |
| await tester.pumpAndSettle(); |
| |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.press_disabled_slide_to_enabled.png'), |
| ); |
| |
| expect(pressedEnable, false); |
| await gesture.up(); |
| expect(pressedEnable, true); |
| }); |
| |
| testWidgets('Action buttons shows pressed highlight as soon as the pointer is down', (WidgetTester tester) async { |
| // Verifies that the the pressed color is not delayed for some milliseconds, |
| // a symptom if the color relies on a tap gesture timing out. |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| child: const Text('One'), |
| onPressed: () { }, |
| ), |
| CupertinoDialogAction( |
| child: const Text('Two'), |
| onPressed: () { }, |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture pointer = await tester.startGesture(tester.getCenter(find.text('Two'))); |
| // Just `pump`, not `pumpAndSettle`, as we want to verify the very next frame. |
| await tester.pump(); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.pressed.png'), |
| ); |
| await pointer.up(); |
| }); |
| |
| testWidgets('Message is scrollable, has correct padding with large text sizes', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withClampedTextScaling( |
| minScaleFactor: 3.0, |
| maxScaleFactor: 3.0, |
| child: CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: Text('Very long content ' * 20), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('Cancel'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('OK'), |
| ), |
| ], |
| scrollController: scrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| expect(scrollController.offset, 0.0); |
| scrollController.jumpTo(100.0); |
| expect(scrollController.offset, 100.0); |
| // Set the scroll position back to zero. |
| scrollController.jumpTo(0.0); |
| |
| await tester.pumpAndSettle(); |
| |
| // Expect the modal dialog box to take all available height. |
| expect( |
| tester.getSize(find.byType(ClipRRect)), |
| equals(const Size(310.0, 560.0 - 24.0 * 2)), |
| ); |
| |
| // Check sizes/locations of the text. The text is large so these 2 buttons are stacked. |
| // Visually the "Cancel" button and "OK" button are the same height when using the |
| // regular font. However, when using the test font, "Cancel" becomes 2 lines which |
| // is why the height we're verifying for "Cancel" is larger than "OK". |
| |
| if (!kIsWeb || isSkiaWeb) { // https://github.com/flutter/flutter/issues/99933 |
| expect(tester.getSize(find.text('The Title')), equals(const Size(270.0, 132.0))); |
| } |
| expect(tester.getTopLeft(find.text('The Title')), equals(const Offset(265.0, 80.0 + 24.0))); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Cancel')), equals(const Size(310.0, 148.0))); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'OK')), equals(const Size(310.0, 98.0))); |
| }); |
| |
| testWidgets('Dialog respects small constraints.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return Center( |
| child: ConstrainedBox( |
| // Constrain the dialog to a tiny size and ensure it respects |
| // these exact constraints. |
| constraints: BoxConstraints.tight(const Size(200.0, 100.0)), |
| child: CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: const Text('The message'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('Option 1'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Option 2'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Option 3'), |
| ), |
| ], |
| scrollController: scrollController, |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| const double topAndBottomMargin = 40.0; |
| const double topAndBottomPadding = 24.0 * 2; |
| const double leftAndRightPadding = 40.0 * 2; |
| final Finder modalFinder = find.byType(ClipRRect); |
| expect( |
| tester.getSize(modalFinder), |
| equals(const Size(200.0 - leftAndRightPadding, 100.0 - topAndBottomMargin - topAndBottomPadding)), |
| ); |
| }); |
| |
| testWidgets('Button list is scrollable, has correct position with large text sizes.', (WidgetTester tester) async { |
| final ScrollController actionScrollController = ScrollController(); |
| addTearDown(actionScrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withClampedTextScaling( |
| minScaleFactor: 3.0, |
| maxScaleFactor: 3.0, |
| child: CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content.'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('One'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Two'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Three'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Chocolate Brownies'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('Cancel'), |
| ), |
| ], |
| actionScrollController: actionScrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| await tester.pump(); |
| |
| // Check that the action buttons list is scrollable. |
| expect(actionScrollController.offset, 0.0); |
| actionScrollController.jumpTo(100.0); |
| expect(actionScrollController.offset, 100.0); |
| actionScrollController.jumpTo(0.0); |
| |
| // Check that the action buttons are aligned vertically. |
| expect(tester.getCenter(find.widgetWithText(CupertinoDialogAction, 'One')).dx, equals(400.0)); |
| expect(tester.getCenter(find.widgetWithText(CupertinoDialogAction, 'Two')).dx, equals(400.0)); |
| expect(tester.getCenter(find.widgetWithText(CupertinoDialogAction, 'Three')).dx, equals(400.0)); |
| expect(tester.getCenter(find.widgetWithText(CupertinoDialogAction, 'Chocolate Brownies')).dx, equals(400.0)); |
| expect(tester.getCenter(find.widgetWithText(CupertinoDialogAction, 'Cancel')).dx, equals(400.0)); |
| |
| // Check that the action buttons are the correct heights. |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'One')).height, equals(98.0)); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Two')).height, equals(98.0)); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Three')).height, equals(98.0)); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Chocolate Brownies')).height, equals(248.0)); |
| expect(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Cancel')).height, equals(148.0)); |
| }); |
| |
| testWidgets('Title Section is empty, Button section is not empty.', (WidgetTester tester) async { |
| final ScrollController actionScrollController = ScrollController(); |
| addTearDown(actionScrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withNoTextScaling( |
| child: CupertinoAlertDialog( |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('One'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Two'), |
| ), |
| ], |
| actionScrollController: actionScrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| await tester.pump(); |
| |
| // Check that the dialog size is the same as the actions section size. This |
| // ensures that an empty content section doesn't accidentally render some |
| // empty space in the dialog. |
| final Finder contentSectionFinder = find.byElementPredicate((Element element) { |
| return element.widget.runtimeType.toString() == '_CupertinoAlertActionSection'; |
| }); |
| |
| final Finder modalBoundaryFinder = find.byType(ClipRRect); |
| |
| expect( |
| tester.getSize(contentSectionFinder), |
| tester.getSize(modalBoundaryFinder), |
| ); |
| |
| // Check that the title/message section is not displayed |
| expect(actionScrollController.offset, 0.0); |
| expect(tester.getTopLeft(find.widgetWithText(CupertinoDialogAction, 'One')).dy, equals(270.75)); |
| |
| // Check that the button's vertical size is the same. |
| expect( |
| tester.getSize(find.widgetWithText(CupertinoDialogAction, 'One')).height, |
| equals(tester.getSize(find.widgetWithText(CupertinoDialogAction, 'Two')).height), |
| ); |
| }); |
| |
| testWidgets('Button section is empty, Title section is not empty.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withNoTextScaling( |
| child: CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content.'), |
| scrollController: scrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| await tester.pump(); |
| |
| // Check that there's no button action section. |
| expect(scrollController.offset, 0.0); |
| expect(find.widgetWithText(CupertinoDialogAction, 'One'), findsNothing); |
| |
| // Check that the dialog size is the same as the content section size. This |
| // ensures that an empty button section doesn't accidentally render some |
| // empty space in the dialog. |
| final Finder contentSectionFinder = find.byElementPredicate((Element element) { |
| return element.widget.runtimeType.toString() == '_CupertinoAlertContentSection'; |
| }); |
| |
| final Finder modalBoundaryFinder = find.byType(ClipRRect); |
| |
| expect( |
| tester.getSize(contentSectionFinder), |
| tester.getSize(modalBoundaryFinder), |
| ); |
| }); |
| |
| testWidgets('Actions section height for 1 button is height of button.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: const Text('The message'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('OK'), |
| ), |
| ], |
| scrollController: scrollController, |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| final RenderBox okButtonBox = findActionButtonRenderBoxByTitle(tester, 'OK'); |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| expect(okButtonBox.size.width, actionsSectionBox.size.width); |
| expect(okButtonBox.size.height, actionsSectionBox.size.height); |
| }); |
| |
| testWidgets('Actions section height for 2 side-by-side buttons is height of tallest button.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| late double dividerWidth; // Will be set when the dialog builder runs. Needs a BuildContext. |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| dividerWidth = 0.3; |
| return CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: const Text('The message'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('OK'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('Cancel'), |
| ), |
| ], |
| scrollController: scrollController, |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| final RenderBox okButtonBox = findActionButtonRenderBoxByTitle(tester, 'OK'); |
| final RenderBox cancelButtonBox = findActionButtonRenderBoxByTitle(tester, 'Cancel'); |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| expect(okButtonBox.size.width, cancelButtonBox.size.width); |
| |
| expect( |
| actionsSectionBox.size.width, |
| okButtonBox.size.width + cancelButtonBox.size.width + dividerWidth, |
| ); |
| |
| expect( |
| actionsSectionBox.size.height, |
| max(okButtonBox.size.height, cancelButtonBox.size.height), |
| ); |
| }); |
| |
| testWidgets('Actions section height for 2 stacked buttons with enough room is height of both buttons.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| const double dividerThickness = 0.3; |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: const Text('The message'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('OK'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('This is too long to fit'), |
| ), |
| ], |
| scrollController: scrollController, |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| final RenderBox okButtonBox = findActionButtonRenderBoxByTitle(tester, 'OK'); |
| final RenderBox longButtonBox = findActionButtonRenderBoxByTitle(tester, 'This is too long to fit'); |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| expect(okButtonBox.size.width, longButtonBox.size.width); |
| |
| expect(okButtonBox.size.width, actionsSectionBox.size.width); |
| |
| expect( |
| okButtonBox.size.height + dividerThickness + longButtonBox.size.height, |
| actionsSectionBox.size.height, |
| ); |
| }); |
| |
| testWidgets('Actions section height for 2 stacked buttons without enough room and regular font is 1.5 buttons tall.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: Text('The message\n' * 40), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('OK'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('This is too long to fit'), |
| ), |
| ], |
| scrollController: scrollController, |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| expect(actionsSectionBox.size.height, 67.8); |
| }); |
| |
| testWidgets('Actions section height for 2 stacked buttons without enough room and large accessibility font is 50% of dialog height.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withClampedTextScaling( |
| minScaleFactor: 3.0, |
| maxScaleFactor: 3.0, |
| child: CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: Text('The message\n' * 20), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('This button is multi line'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| child: Text('This button is multi line'), |
| ), |
| ], |
| scrollController: scrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| // The two multiline buttons with large text are taller than 50% of the |
| // dialog height, but with the accessibility layout policy, the 2 buttons |
| // should be in a scrollable area equal to half the dialog height. |
| expect( |
| actionsSectionBox.size.height, |
| 280.0 - 24.0, |
| ); |
| }); |
| |
| testWidgets('Actions section height for 3 buttons without enough room is 1.5 buttons tall.', (WidgetTester tester) async { |
| final ScrollController scrollController = ScrollController(); |
| addTearDown(scrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The Title'), |
| content: Text('The message\n' * 40), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('Option 1'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Option 2'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Option 3'), |
| ), |
| ], |
| scrollController: scrollController, |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| await tester.pumpAndSettle(); |
| |
| final RenderBox option1ButtonBox = findActionButtonRenderBoxByTitle(tester, 'Option 1'); |
| final RenderBox option2ButtonBox = findActionButtonRenderBoxByTitle(tester, 'Option 2'); |
| final RenderBox actionsSectionBox = findScrollableActionsSectionRenderBox(tester); |
| |
| expect(option1ButtonBox.size.width, option2ButtonBox.size.width); |
| expect(option1ButtonBox.size.width, actionsSectionBox.size.width); |
| |
| // Expected Height = button 1 + divider + 1/2 button 2 = 67.80000000000001 |
| const double expectedHeight = 67.80000000000001; |
| expect( |
| actionsSectionBox.size.height, |
| moreOrLessEquals(expectedHeight), |
| ); |
| }); |
| |
| testWidgets('Actions section correctly renders overscrolls', (WidgetTester tester) async { |
| // Verifies that when the actions section overscrolls, the overscroll part |
| // is correctly covered with background. |
| final ScrollController actionScrollController = ScrollController(); |
| addTearDown(actionScrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| actions: List<Widget>.generate(12, (int i) => |
| CupertinoDialogAction( |
| onPressed: () {}, |
| child: Text('Button ${'*' * i}'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Button *'))); |
| await tester.pumpAndSettle(); |
| // The button should be pressed now, since the scrolling gesture has not |
| // taken over. |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.overscroll.0.png'), |
| ); |
| // The dragging gesture must be dispatched in at least two segments. |
| // After the first movement, the gesture is started, but the delta is still |
| // zero. The second movement gives the delta. |
| await gesture.moveBy(const Offset(0, 40)); |
| await tester.pumpAndSettle(); |
| await gesture.moveBy(const Offset(0, 100)); |
| // Test the top overscroll. Use `pump` not `pumpAndSettle` to verify the |
| // rendering result of the immediate next frame. |
| await tester.pump(); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.overscroll.1.png'), |
| ); |
| |
| await gesture.moveBy(const Offset(0, -300)); |
| // Test the bottom overscroll. Use `pump` not `pumpAndSettle` to verify the |
| // rendering result of the immediate next frame. |
| await tester.pump(); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.overscroll.2.png'), |
| ); |
| await gesture.up(); |
| }); |
| |
| testWidgets('Actions section correctly renders overscrolls with very far scrolls', (WidgetTester tester) async { |
| // When the scroll is really far, the overscroll might be longer than the |
| // actions section, causing overflow if not controlled. |
| final ScrollController actionScrollController = ScrollController(); |
| addTearDown(actionScrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| content: Text('content' * 1000), |
| actions: List<Widget>.generate(4, (int i) => |
| CupertinoActionSheetAction( |
| onPressed: () {}, |
| child: Text('Button $i'), |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Button 0'))); |
| await tester.pumpAndSettle(); |
| await gesture.moveBy(const Offset(0, 40)); // A short drag to start the gesture. |
| await tester.pumpAndSettle(); |
| // The drag is far enough to make the overscroll longer than the section. |
| await gesture.moveBy(const Offset(0, 1000)); |
| await tester.pumpAndSettle(); |
| // The buttons should be out of the screen |
| expect( |
| tester.getTopLeft(find.text('Button 0')).dy, |
| greaterThan(tester.getBottomLeft(find.byType(ClipRRect)).dy) |
| ); |
| await expectLater( |
| find.byType(CupertinoAlertDialog), |
| matchesGoldenFile('cupertinoAlertDialog.long-overscroll.0.png'), |
| ); |
| }); |
| |
| testWidgets('ScaleTransition animation for showCupertinoDialog()', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Center( |
| child: Builder( |
| builder: (BuildContext context) { |
| return CupertinoButton( |
| onPressed: () { |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content'), |
| actions: <Widget>[ |
| const CupertinoDialogAction( |
| child: Text('Cancel'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| onPressed: () { |
| Navigator.pop(context); |
| }, |
| child: const Text('Delete'), |
| ), |
| ], |
| ); |
| }, |
| ); |
| }, |
| child: const Text('Go'), |
| ); |
| }, |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| // Enter animation. |
| await tester.pump(); |
| Transform transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.3, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.145, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.044, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.013, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.003, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.000, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transform = tester.widget(find.byType(Transform)); |
| expect(transform.transform[0], moreOrLessEquals(1.000, epsilon: 0.001)); |
| |
| await tester.tap(find.text('Delete')); |
| |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 50)); |
| |
| // No scaling on exit animation. |
| expect(find.byType(Transform), findsNothing); |
| }); |
| |
| testWidgets('FadeTransition animation for showCupertinoDialog()', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Center( |
| child: Builder( |
| builder: (BuildContext context) { |
| return CupertinoButton( |
| onPressed: () { |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return CupertinoAlertDialog( |
| title: const Text('The title'), |
| content: const Text('The content'), |
| actions: <Widget>[ |
| const CupertinoDialogAction( |
| child: Text('Cancel'), |
| ), |
| CupertinoDialogAction( |
| isDestructiveAction: true, |
| onPressed: () { |
| Navigator.pop(context); |
| }, |
| child: const Text('Delete'), |
| ), |
| ], |
| ); |
| }, |
| ); |
| }, |
| child: const Text('Go'), |
| ); |
| }, |
| ), |
| ), |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| |
| // Enter animation. |
| await tester.pump(); |
| final Finder fadeTransitionFinder = find.ancestor(of: find.byType(CupertinoAlertDialog), matching: find.byType(FadeTransition)); |
| FadeTransition transition = tester.firstWidget(fadeTransitionFinder); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.081, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.332, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.667, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.918, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(1.0, epsilon: 0.001)); |
| |
| await tester.tap(find.text('Delete')); |
| |
| // Exit animation, look at reverse FadeTransition. |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(1.0, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.918, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.667, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.332, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.081, epsilon: 0.001)); |
| |
| await tester.pump(const Duration(milliseconds: 50)); |
| transition = tester.firstWidget(fadeTransitionFinder); |
| expect(transition.opacity.value, moreOrLessEquals(0.0, epsilon: 0.001)); |
| }); |
| |
| testWidgets('Actions are accessible by key', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return const CupertinoAlertDialog( |
| title: Text('The Title'), |
| content: Text('The message'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| key: Key('option_1'), |
| child: Text('Option 1'), |
| ), |
| CupertinoDialogAction( |
| key: Key('option_2'), |
| child: Text('Option 2'), |
| ), |
| ], |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| expect(find.byKey(const Key('option_1')), findsOneWidget); |
| expect(find.byKey(const Key('option_2')), findsOneWidget); |
| expect(find.byKey(const Key('option_3')), findsNothing); |
| }); |
| |
| testWidgets('Dialog widget insets by MediaQuery viewInsets', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: MediaQuery( |
| data: MediaQueryData(), |
| child: CupertinoAlertDialog(content: Placeholder(fallbackHeight: 200.0)), |
| ), |
| ), |
| ); |
| |
| final Rect placeholderRectWithoutInsets = tester.getRect(find.byType(Placeholder)); |
| |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: MediaQuery( |
| data: MediaQueryData(viewInsets: EdgeInsets.fromLTRB(40.0, 30.0, 20.0, 10.0)), |
| child: CupertinoAlertDialog(content: Placeholder(fallbackHeight: 200.0)), |
| ), |
| ), |
| ); |
| |
| // no change yet because padding is animated |
| expect(tester.getRect(find.byType(Placeholder)), placeholderRectWithoutInsets); |
| |
| await tester.pump(const Duration(seconds: 1)); |
| |
| // once animation settles the dialog is padded by the new viewInsets |
| expect(tester.getRect(find.byType(Placeholder)), placeholderRectWithoutInsets.translate(10, 10)); |
| }); |
| |
| testWidgets('showCupertinoDialog - custom barrierLabel', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| CupertinoApp( |
| home: Builder( |
| builder: (BuildContext context) { |
| return Center( |
| child: CupertinoButton( |
| child: const Text('X'), |
| onPressed: () { |
| showCupertinoDialog<void>( |
| context: context, |
| barrierLabel: 'Custom label', |
| builder: (BuildContext context) { |
| return const CupertinoAlertDialog( |
| title: Text('Title'), |
| content: Text('Content'), |
| actions: <Widget>[ |
| CupertinoDialogAction(child: Text('Yes')), |
| CupertinoDialogAction(child: Text('No')), |
| ], |
| ); |
| }, |
| ); |
| }, |
| ), |
| ); |
| }, |
| ), |
| ), |
| ); |
| |
| expect(semantics, isNot(includesNodeWith( |
| label: 'Custom label', |
| flags: <SemanticsFlag>[SemanticsFlag.namesRoute], |
| ))); |
| semantics.dispose(); |
| }); |
| |
| testWidgets('CupertinoDialogRoute is state restorable', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const CupertinoApp( |
| restorationScopeId: 'app', |
| home: _RestorableDialogTestWidget(), |
| ), |
| ); |
| |
| expect(find.byType(CupertinoAlertDialog), findsNothing); |
| |
| await tester.tap(find.text('X')); |
| await tester.pumpAndSettle(); |
| |
| expect(find.byType(CupertinoAlertDialog), findsOneWidget); |
| final TestRestorationData restorationData = await tester.getRestorationData(); |
| |
| await tester.restartAndRestore(); |
| |
| expect(find.byType(CupertinoAlertDialog), findsOneWidget); |
| |
| // Tap on the barrier. |
| await tester.tapAt(const Offset(10.0, 10.0)); |
| await tester.pumpAndSettle(); |
| |
| expect(find.byType(CupertinoAlertDialog), findsNothing); |
| |
| await tester.restoreFrom(restorationData); |
| expect(find.byType(CupertinoAlertDialog), findsOneWidget); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/33615 |
| |
| testWidgets('Conflicting scrollbars are not applied by ScrollBehavior to CupertinoAlertDialog', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/83819 |
| final ScrollController actionScrollController = ScrollController(); |
| addTearDown(actionScrollController.dispose); |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withNoTextScaling( |
| child: CupertinoAlertDialog( |
| title: const Text('Test Title'), |
| content: const Text('Test Content'), |
| actions: const <Widget>[ |
| CupertinoDialogAction( |
| child: Text('One'), |
| ), |
| CupertinoDialogAction( |
| child: Text('Two'), |
| ), |
| ], |
| actionScrollController: actionScrollController, |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pump(); |
| |
| // The inherited ScrollBehavior should not apply Scrollbars since they are |
| // already built in to the widget. |
| expect(find.byType(Scrollbar), findsNothing); |
| expect(find.byType(RawScrollbar), findsNothing); |
| // Built in CupertinoScrollbars should only number 2: one for the actions, |
| // one for the content. |
| expect(find.byType(CupertinoScrollbar), findsNWidgets(2)); |
| }, variant: TargetPlatformVariant.all()); |
| |
| testWidgets('CupertinoAlertDialog scrollbars controllers should be different', (WidgetTester tester) async { |
| // https://github.com/flutter/flutter/pull/81278 |
| await tester.pumpWidget( |
| const CupertinoApp( |
| home: MediaQuery( |
| data: MediaQueryData(), |
| child: CupertinoAlertDialog( |
| actions: <Widget>[ |
| CupertinoDialogAction(child: Text('OK')), |
| ], |
| content: Placeholder(fallbackHeight: 200.0), |
| ), |
| ), |
| ), |
| ); |
| |
| final List<CupertinoScrollbar> scrollbars = |
| find.descendant( |
| of: find.byType(CupertinoAlertDialog), |
| matching: find.byType(CupertinoScrollbar), |
| ).evaluate().map((Element e) => e.widget as CupertinoScrollbar).toList(); |
| |
| expect(scrollbars.length, 2); |
| expect(scrollbars[0].controller != scrollbars[1].controller, isTrue); |
| }); |
| |
| group('showCupertinoDialog avoids overlapping display features', () { |
| testWidgets('positioning using anchorPoint', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| builder: (BuildContext context, Widget? child) { |
| return MediaQuery( |
| // Display has a vertical hinge down the middle |
| data: const MediaQueryData( |
| size: Size(800, 600), |
| displayFeatures: <DisplayFeature>[ |
| DisplayFeature( |
| bounds: Rect.fromLTRB(390, 0, 410, 600), |
| type: DisplayFeatureType.hinge, |
| state: DisplayFeatureState.unknown, |
| ), |
| ], |
| ), |
| child: child!, |
| ); |
| }, |
| home: const Center(child: Text('Test')), |
| ), |
| ); |
| |
| final BuildContext context = tester.element(find.text('Test')); |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return const Placeholder(); |
| }, |
| anchorPoint: const Offset(1000, 0), |
| ); |
| await tester.pumpAndSettle(); |
| |
| // Should take the right side of the screen |
| expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(410.0, 0.0)); |
| expect(tester.getBottomRight(find.byType(Placeholder)), const Offset(800.0, 600.0)); |
| }); |
| |
| testWidgets('positioning using Directionality', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| builder: (BuildContext context, Widget? child) { |
| return MediaQuery( |
| // Display has a vertical hinge down the middle |
| data: const MediaQueryData( |
| size: Size(800, 600), |
| displayFeatures: <DisplayFeature>[ |
| DisplayFeature( |
| bounds: Rect.fromLTRB(390, 0, 410, 600), |
| type: DisplayFeatureType.hinge, |
| state: DisplayFeatureState.unknown, |
| ), |
| ], |
| ), |
| child: Directionality( |
| textDirection: TextDirection.rtl, |
| child: child!, |
| ), |
| ); |
| }, |
| home: const Center(child: Text('Test')), |
| ), |
| ); |
| |
| final BuildContext context = tester.element(find.text('Test')); |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return const Placeholder(); |
| }, |
| ); |
| await tester.pumpAndSettle(); |
| |
| // Should take the right side of the screen |
| expect(tester.getTopLeft(find.byType(Placeholder)), const Offset(410.0, 0.0)); |
| expect(tester.getBottomRight(find.byType(Placeholder)), const Offset(800.0, 600.0)); |
| }); |
| |
| testWidgets('default positioning', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| CupertinoApp( |
| builder: (BuildContext context, Widget? child) { |
| return MediaQuery( |
| // Display has a vertical hinge down the middle |
| data: const MediaQueryData( |
| size: Size(800, 600), |
| displayFeatures: <DisplayFeature>[ |
| DisplayFeature( |
| bounds: Rect.fromLTRB(390, 0, 410, 600), |
| type: DisplayFeatureType.hinge, |
| state: DisplayFeatureState.unknown, |
| ), |
| ], |
| ), |
| child: child!, |
| ); |
| }, |
| home: const Center(child: Text('Test')), |
| ), |
| ); |
| |
| final BuildContext context = tester.element(find.text('Test')); |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return const Placeholder(); |
| }, |
| ); |
| await tester.pumpAndSettle(); |
| |
| // By default it should place the dialog on the left screen |
| expect(tester.getTopLeft(find.byType(Placeholder)), Offset.zero); |
| expect(tester.getBottomRight(find.byType(Placeholder)), const Offset(390.0, 600.0)); |
| }); |
| }); |
| |
| testWidgets('Hovering over Cupertino alert dialog action updates cursor to clickable on Web', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| createAppWithButtonThatLaunchesDialog( |
| dialogBuilder: (BuildContext context) { |
| return MediaQuery.withClampedTextScaling( |
| minScaleFactor: 3.0, |
| maxScaleFactor: 3.0, |
| child: RepaintBoundary( |
| child: CupertinoAlertDialog( |
| title: const Text('Title'), |
| content: const Text('text'), |
| actions: <Widget>[ |
| CupertinoDialogAction( |
| onPressed: () {}, |
| child: const Text('NO'), |
| ), |
| CupertinoDialogAction( |
| onPressed: () {}, |
| child: const Text('OK'), |
| ), |
| ], |
| ), |
| ), |
| ); |
| }, |
| ), |
| ); |
| |
| await tester.tap(find.text('Go')); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1); |
| await gesture.addPointer(location: const Offset(10, 10)); |
| await tester.pumpAndSettle(); |
| expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic); |
| |
| final Offset dialogAction = tester.getCenter(find.text('OK')); |
| await gesture.moveTo(dialogAction); |
| await tester.pumpAndSettle(); |
| expect( |
| RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), |
| kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic, |
| ); |
| }); |
| } |
| |
| RenderBox findActionButtonRenderBoxByTitle(WidgetTester tester, String title) { |
| final RenderObject buttonBox = tester.renderObject(find.widgetWithText(CupertinoDialogAction, title)); |
| assert(buttonBox is RenderBox); |
| return buttonBox as RenderBox; |
| } |
| |
| RenderBox findScrollableActionsSectionRenderBox(WidgetTester tester) { |
| final RenderObject actionsSection = tester.renderObject(find.byElementPredicate((Element element) { |
| return element.widget.runtimeType.toString() == '_CupertinoAlertActionSection'; |
| })); |
| assert(actionsSection is RenderBox); |
| return actionsSection as RenderBox; |
| } |
| |
| Widget createAppWithButtonThatLaunchesDialog({ |
| required WidgetBuilder dialogBuilder, |
| }) { |
| return CupertinoApp( |
| home: Center( |
| child: Builder(builder: (BuildContext context) { |
| return CupertinoButton( |
| onPressed: () { |
| showCupertinoDialog<void>( |
| context: context, |
| builder: dialogBuilder, |
| ); |
| }, |
| child: const Text('Go'), |
| ); |
| }), |
| ), |
| ); |
| } |
| |
| Widget boilerplate(Widget child) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: child, |
| ); |
| } |
| |
| Widget createAppWithCenteredButton(Widget child) { |
| return CupertinoApp( |
| home: Center( |
| child: CupertinoButton( |
| onPressed: null, |
| child: child, |
| ), |
| ), |
| ); |
| } |
| |
| |
| class _RestorableDialogTestWidget extends StatelessWidget { |
| const _RestorableDialogTestWidget(); |
| |
| @pragma('vm:entry-point') |
| static Route<Object?> _dialogBuilder(BuildContext context, Object? arguments) { |
| return CupertinoDialogRoute<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return const CupertinoAlertDialog( |
| title: Text('Title'), |
| content: Text('Content'), |
| actions: <Widget>[ |
| CupertinoDialogAction(child: Text('Yes')), |
| CupertinoDialogAction(child: Text('No')), |
| ], |
| ); |
| }, |
| ); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return CupertinoPageScaffold( |
| navigationBar: const CupertinoNavigationBar( |
| middle: Text('Home'), |
| ), |
| child: Center(child: CupertinoButton( |
| onPressed: () { |
| Navigator.of(context).restorablePush(_dialogBuilder); |
| }, |
| child: const Text('X'), |
| )), |
| ); |
| } |
| } |
| |
| // Shows an app that has a button with text "Go", and clicking this button |
| // displays the `dialog` and hides the button. |
| // |
| // The `theme` will be applied to the app and determines the background. |
| class TestScaffoldApp extends StatefulWidget { |
| const TestScaffoldApp({super.key, required this.theme, required this.dialog}); |
| final CupertinoThemeData theme; |
| final Widget dialog; |
| |
| @override |
| TestScaffoldAppState createState() => TestScaffoldAppState(); |
| } |
| |
| class TestScaffoldAppState extends State<TestScaffoldApp> { |
| bool _pressedButton = false; |
| |
| @override |
| Widget build(BuildContext context) { |
| return CupertinoApp( |
| // Hide the debug banner. Because this CupertinoApp is captured in golden |
| // test as a whole. The debug banner contains tilted text, whose |
| // anti-alias might cause false negative result. |
| // https://github.com/flutter/flutter/pull/150442 |
| debugShowCheckedModeBanner: false, |
| theme: widget.theme, |
| home: Builder(builder: (BuildContext context) => |
| CupertinoPageScaffold( |
| child: Center( |
| child: _pressedButton ? Container() : CupertinoButton( |
| onPressed: () { |
| setState(() { |
| _pressedButton = true; |
| }); |
| showCupertinoDialog<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return widget.dialog; |
| }, |
| ); |
| }, |
| child: const Text('Go'), |
| ), |
| ), |
| ), |
| ), |
| ); |
| } |
| } |
| |
| // Old-style action sheet buttons, which are implemented with |
| // `GestureDetector.onTap`. |
| class LegacyAction extends StatelessWidget { |
| const LegacyAction({ |
| super.key, |
| required this.onPressed, |
| required this.child, |
| }); |
| |
| final VoidCallback onPressed; |
| final Widget child; |
| |
| @override |
| Widget build(BuildContext context) { |
| return GestureDetector( |
| onTap: onPressed, |
| behavior: HitTestBehavior.opaque, |
| child: ConstrainedBox( |
| constraints: const BoxConstraints(minHeight: 45), |
| child: Container( |
| alignment: AlignmentDirectional.center, |
| padding: const EdgeInsets.symmetric(vertical: 16.0, horizontal: 10.0), |
| child: child, |
| ), |
| ), |
| ); |
| } |
| } |
