| // 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. |
| import 'dart:ui'; |
| |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/services.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../widgets/semantics_tester.dart'; |
| |
| Widget boilerplate({required Widget child}) { |
| return Directionality( |
| textDirection: TextDirection.ltr, |
| child: Center(child: child), |
| ); |
| } |
| |
| void main() { |
| RenderObject getOverlayColor(WidgetTester tester) { |
| return tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures'); |
| } |
| |
| testWidgets('SegmentsButton when compositing does not crash', (WidgetTester tester) async { |
| // Regression test for https://github.com/flutter/flutter/issues/135747 |
| // If the render object holds on to a stale canvas reference, this will |
| // throw an exception. |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>( |
| value: 0, |
| label: Opacity( |
| opacity: 0.5, |
| child: Text('option'), |
| ), |
| icon: Opacity( |
| opacity: 0.5, |
| child: Icon(Icons.add), |
| ), |
| ), |
| ], |
| selected: const <int>{0}, |
| ), |
| ), |
| ), |
| ); |
| |
| expect(find.byType(SegmentedButton<int>), findsOneWidget); |
| expect(tester.takeException(), isNull); |
| }); |
| |
| testWidgets('SegmentedButton releases state controllers for deleted segments', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| final Key key = UniqueKey(); |
| |
| Widget buildApp(Widget button) { |
| return MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: button, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget( |
| buildApp( |
| SegmentedButton<int>( |
| key: key, |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ], |
| selected: const <int>{2}, |
| ), |
| ), |
| ); |
| |
| await tester.pumpWidget( |
| buildApp( |
| SegmentedButton<int>( |
| key: key, |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3')), |
| ], |
| selected: const <int>{2}, |
| ), |
| ), |
| ); |
| |
| final SegmentedButtonState<int> state = tester.state(find.byType(SegmentedButton<int>)); |
| expect(state.statesControllers, hasLength(2)); |
| expect(state.statesControllers.keys.first.value, 2); |
| expect(state.statesControllers.keys.last.value, 3); |
| }); |
| |
| testWidgets('SegmentedButton is built with Material of type MaterialType.transparency', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3'), enabled: false), |
| ], |
| selected: const <int>{2}, |
| onSelectionChanged: (Set<int> selected) { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Expect SegmentedButton to be built with type MaterialType.transparency. |
| final Finder text = find.text('1'); |
| final Finder parent = find.ancestor(of: text, matching: find.byType(Material)).first; |
| final Finder parentMaterial = find.ancestor(of: parent, matching: find.byType(Material)).first; |
| final Material material = tester.widget<Material>(parentMaterial); |
| expect(material.type, MaterialType.transparency); |
| }); |
| |
| testWidgets('SegmentedButton supports exclusive choice by default', (WidgetTester tester) async { |
| int callbackCount = 0; |
| int selectedSegment = 2; |
| |
| Widget frameWithSelection(int selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3')), |
| ], |
| selected: <int>{selected}, |
| onSelectionChanged: (Set<int> selected) { |
| assert(selected.length == 1); |
| selectedSegment = selected.first; |
| callbackCount += 1; |
| }, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(selectedSegment)); |
| expect(selectedSegment, 2); |
| expect(callbackCount, 0); |
| |
| // Tap on segment 1. |
| await tester.tap(find.text('1')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 1); |
| expect(selectedSegment, 1); |
| |
| // Update the selection in the widget |
| await tester.pumpWidget(frameWithSelection(1)); |
| |
| // Tap on segment 1 again should do nothing. |
| await tester.tap(find.text('1')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 1); |
| expect(selectedSegment, 1); |
| |
| // Tap on segment 3. |
| await tester.tap(find.text('3')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 2); |
| expect(selectedSegment, 3); |
| }); |
| |
| testWidgets('SegmentedButton supports multiple selected segments', (WidgetTester tester) async { |
| int callbackCount = 0; |
| Set<int> selection = <int>{1}; |
| |
| Widget frameWithSelection(Set<int> selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| multiSelectionEnabled: true, |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3')), |
| ], |
| selected: selected, |
| onSelectionChanged: (Set<int> selected) { |
| selection = selected; |
| callbackCount += 1; |
| }, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(selection)); |
| expect(selection, <int>{1}); |
| expect(callbackCount, 0); |
| |
| // Tap on segment 2. |
| await tester.tap(find.text('2')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 1); |
| expect(selection, <int>{1, 2}); |
| |
| // Update the selection in the widget |
| await tester.pumpWidget(frameWithSelection(<int>{1, 2})); |
| await tester.pumpAndSettle(); |
| |
| // Tap on segment 1 again should remove it from selection. |
| await tester.tap(find.text('1')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 2); |
| expect(selection, <int>{2}); |
| |
| // Update the selection in the widget |
| await tester.pumpWidget(frameWithSelection(<int>{2})); |
| await tester.pumpAndSettle(); |
| |
| // Tap on segment 3. |
| await tester.tap(find.text('3')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 3); |
| expect(selection, <int>{2, 3}); |
| }); |
| |
| testWidgets('SegmentedButton allows for empty selection', (WidgetTester tester) async { |
| int callbackCount = 0; |
| int? selectedSegment = 1; |
| |
| Widget frameWithSelection(int? selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| emptySelectionAllowed: true, |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3')), |
| ], |
| selected: <int>{if (selected != null) selected}, |
| onSelectionChanged: (Set<int> selected) { |
| selectedSegment = selected.isEmpty ? null : selected.first; |
| callbackCount += 1; |
| }, |
| ), |
| ), |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(selectedSegment)); |
| expect(selectedSegment,1); |
| expect(callbackCount, 0); |
| |
| // Tap on segment 1 should deselect it and make the selection empty. |
| await tester.tap(find.text('1')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 1); |
| expect(selectedSegment, null); |
| |
| // Update the selection in the widget |
| await tester.pumpWidget(frameWithSelection(null)); |
| |
| // Tap on segment 2 should select it. |
| await tester.tap(find.text('2')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 2); |
| expect(selectedSegment, 2); |
| |
| // Update the selection in the widget |
| await tester.pumpWidget(frameWithSelection(2)); |
| |
| // Tap on segment 3. |
| await tester.tap(find.text('3')); |
| await tester.pumpAndSettle(); |
| expect(callbackCount, 3); |
| expect(selectedSegment, 3); |
| }); |
| |
| testWidgets('SegmentedButton shows checkboxes for selected segments', (WidgetTester tester) async { |
| Widget frameWithSelection(int selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3')), |
| ], |
| selected: <int>{selected}, |
| onSelectionChanged: (Set<int> selected) {}, |
| ), |
| ), |
| ); |
| } |
| |
| Finder textHasIcon(String text, IconData icon) { |
| return find.descendant( |
| of: find.widgetWithText(Row, text), |
| matching: find.byIcon(icon) |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(1)); |
| expect(textHasIcon('1', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.check), findsOneWidget); |
| |
| await tester.pumpWidget(frameWithSelection(2)); |
| expect(textHasIcon('2', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.check), findsOneWidget); |
| |
| await tester.pumpWidget(frameWithSelection(2)); |
| expect(textHasIcon('2', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.check), findsOneWidget); |
| }); |
| |
| testWidgets('SegmentedButton shows selected checkboxes in place of icon if it has a label as well', (WidgetTester tester) async { |
| Widget frameWithSelection(int selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, icon: Icon(Icons.add), label: Text('1')), |
| ButtonSegment<int>(value: 2, icon: Icon(Icons.add_a_photo), label: Text('2')), |
| ButtonSegment<int>(value: 3, icon: Icon(Icons.add_alarm), label: Text('3')), |
| ], |
| selected: <int>{selected}, |
| onSelectionChanged: (Set<int> selected) {}, |
| ), |
| ), |
| ); |
| } |
| |
| Finder textHasIcon(String text, IconData icon) { |
| return find.descendant( |
| of: find.widgetWithText(Row, text), |
| matching: find.byIcon(icon) |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(1)); |
| expect(textHasIcon('1', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.add), findsNothing); |
| expect(textHasIcon('2', Icons.add_a_photo), findsOneWidget); |
| expect(textHasIcon('3', Icons.add_alarm), findsOneWidget); |
| |
| await tester.pumpWidget(frameWithSelection(2)); |
| expect(textHasIcon('1', Icons.add), findsOneWidget); |
| expect(textHasIcon('2', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.add_a_photo), findsNothing); |
| expect(textHasIcon('3', Icons.add_alarm), findsOneWidget); |
| |
| await tester.pumpWidget(frameWithSelection(3)); |
| expect(textHasIcon('1', Icons.add), findsOneWidget); |
| expect(textHasIcon('2', Icons.add_a_photo), findsOneWidget); |
| expect(textHasIcon('3', Icons.check), findsOneWidget); |
| expect(find.byIcon(Icons.add_alarm), findsNothing); |
| }); |
| |
| testWidgets('SegmentedButton shows selected checkboxes next to icon if there is no label', (WidgetTester tester) async { |
| Widget frameWithSelection(int selected) { |
| return Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, icon: Icon(Icons.add)), |
| ButtonSegment<int>(value: 2, icon: Icon(Icons.add_a_photo)), |
| ButtonSegment<int>(value: 3, icon: Icon(Icons.add_alarm)), |
| ], |
| selected: <int>{selected}, |
| onSelectionChanged: (Set<int> selected) {}, |
| ), |
| ), |
| ); |
| } |
| |
| Finder rowWithIcons(IconData icon1, IconData icon2) { |
| return find.descendant( |
| of: find.widgetWithIcon(Row, icon1), |
| matching: find.byIcon(icon2) |
| ); |
| } |
| |
| await tester.pumpWidget(frameWithSelection(1)); |
| expect(rowWithIcons(Icons.add, Icons.check), findsOneWidget); |
| expect(rowWithIcons(Icons.add_a_photo, Icons.check), findsNothing); |
| expect(rowWithIcons(Icons.add_alarm, Icons.check), findsNothing); |
| |
| await tester.pumpWidget(frameWithSelection(2)); |
| expect(rowWithIcons(Icons.add, Icons.check), findsNothing); |
| expect(rowWithIcons(Icons.add_a_photo, Icons.check), findsOneWidget); |
| expect(rowWithIcons(Icons.add_alarm, Icons.check), findsNothing); |
| |
| await tester.pumpWidget(frameWithSelection(3)); |
| expect(rowWithIcons(Icons.add, Icons.check), findsNothing); |
| expect(rowWithIcons(Icons.add_a_photo, Icons.check), findsNothing); |
| expect(rowWithIcons(Icons.add_alarm, Icons.check), findsOneWidget); |
| |
| }); |
| |
| testWidgets('SegmentedButtons have correct semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3'), enabled: false), |
| ], |
| selected: const <int>{2}, |
| onSelectionChanged: (Set<int> selected) {}, |
| ), |
| ), |
| ), |
| ); |
| |
| expect( |
| semantics, |
| hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| // First is an unselected, enabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.hasCheckedState, |
| SemanticsFlag.isFocusable, |
| SemanticsFlag.isInMutuallyExclusiveGroup, |
| ], |
| label: '1', |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| ), |
| |
| // Second is a selected, enabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.hasCheckedState, |
| SemanticsFlag.isChecked, |
| SemanticsFlag.isFocusable, |
| SemanticsFlag.isInMutuallyExclusiveGroup, |
| ], |
| label: '2', |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| ), |
| |
| // Third is an unselected, disabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.hasCheckedState, |
| SemanticsFlag.isInMutuallyExclusiveGroup, |
| ], |
| label: '3', |
| ), |
| ], |
| ), |
| ignoreId: true, |
| ignoreRect: true, |
| ignoreTransform: true, |
| ), |
| ); |
| |
| semantics.dispose(); |
| }); |
| |
| |
| testWidgets('Multi-select SegmentedButtons have correct semantics', (WidgetTester tester) async { |
| final SemanticsTester semantics = SemanticsTester(tester); |
| |
| await tester.pumpWidget( |
| Material( |
| child: boilerplate( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3'), enabled: false), |
| ], |
| selected: const <int>{1, 3}, |
| onSelectionChanged: (Set<int> selected) {}, |
| multiSelectionEnabled: true, |
| ), |
| ), |
| ), |
| ); |
| |
| expect( |
| semantics, |
| hasSemantics( |
| TestSemantics.root( |
| children: <TestSemantics>[ |
| // First is selected, enabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.hasCheckedState, |
| SemanticsFlag.isChecked, |
| SemanticsFlag.isFocusable, |
| ], |
| label: '1', |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| ), |
| |
| // Second is an unselected, enabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.isEnabled, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.hasCheckedState, |
| SemanticsFlag.isFocusable, |
| ], |
| label: '2', |
| actions: <SemanticsAction>[ |
| SemanticsAction.tap, |
| ], |
| ), |
| |
| // Third is a selected, disabled button. |
| TestSemantics( |
| flags: <SemanticsFlag>[ |
| SemanticsFlag.isButton, |
| SemanticsFlag.hasEnabledState, |
| SemanticsFlag.isChecked, |
| SemanticsFlag.hasCheckedState, |
| ], |
| label: '3', |
| ), |
| ], |
| ), |
| ignoreId: true, |
| ignoreRect: true, |
| ignoreTransform: true, |
| ), |
| ); |
| |
| semantics.dispose(); |
| }); |
| |
| testWidgets('SegmentedButton default overlayColor and foregroundColor resolve pressed state', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ], |
| selected: const <int>{1}, |
| onSelectionChanged: (Set<int> selected) {}, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| final Material material = tester.widget<Material>(find.descendant( |
| of: find.byType(TextButton), |
| matching: find.byType(Material), |
| )); |
| |
| // Hovered. |
| final Offset center = tester.getCenter(find.text('2')); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: theme.colorScheme.onSurface.withOpacity(0.08))); |
| expect(material.textStyle?.color, theme.colorScheme.onSurface); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect()..rect(color: theme.colorScheme.onSurface.withOpacity(0.1))); |
| expect(material.textStyle?.color, theme.colorScheme.onSurface); |
| }); |
| |
| testWidgets('SegmentedButton has no tooltips by default', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3'), enabled: false), |
| ], |
| selected: const <int>{2}, |
| onSelectionChanged: (Set<int> selected) { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(find.byType(Tooltip), findsNothing); |
| }); |
| |
| testWidgets('SegmentedButton has correct tooltips', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(useMaterial3: true); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2'), tooltip: 't2'), |
| ButtonSegment<int>( |
| value: 3, |
| label: Text('3'), |
| tooltip: 't3', |
| enabled: false, |
| ), |
| ], |
| selected: const <int>{2}, |
| onSelectionChanged: (Set<int> selected) { }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(find.byType(Tooltip), findsNWidgets(2)); |
| expect(find.byTooltip('t2'), findsOneWidget); |
| expect(find.byTooltip('t3'), findsOneWidget); |
| }); |
| |
| testWidgets('SegmentedButton.styleFrom is applied to the SegmentedButton', (WidgetTester tester) async { |
| const Color foregroundColor = Color(0xfffffff0); |
| const Color backgroundColor = Color(0xfffffff1); |
| const Color selectedBackgroundColor = Color(0xfffffff2); |
| const Color selectedForegroundColor = Color(0xfffffff3); |
| const Color disabledBackgroundColor = Color(0xfffffff4); |
| const Color disabledForegroundColor = Color(0xfffffff5); |
| const MouseCursor enabledMouseCursor = SystemMouseCursors.text; |
| const MouseCursor disabledMouseCursor = SystemMouseCursors.grab; |
| |
| final ButtonStyle styleFromStyle = SegmentedButton.styleFrom( |
| foregroundColor: foregroundColor, |
| backgroundColor: backgroundColor, |
| selectedForegroundColor: selectedForegroundColor, |
| selectedBackgroundColor: selectedBackgroundColor, |
| disabledForegroundColor: disabledForegroundColor, |
| disabledBackgroundColor: disabledBackgroundColor, |
| shadowColor: const Color(0xfffffff6), |
| surfaceTintColor: const Color(0xfffffff7), |
| elevation: 1, |
| textStyle: const TextStyle(color: Color(0xfffffff8)), |
| padding: const EdgeInsets.all(2), |
| side: const BorderSide(color: Color(0xfffffff9)), |
| shape: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(3))), |
| enabledMouseCursor: enabledMouseCursor, |
| disabledMouseCursor: disabledMouseCursor, |
| visualDensity: VisualDensity.compact, |
| tapTargetSize: MaterialTapTargetSize.shrinkWrap, |
| animationDuration: const Duration(milliseconds: 100), |
| enableFeedback: true, |
| alignment: Alignment.center, |
| splashFactory: NoSplash.splashFactory, |
| ); |
| |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| style: styleFromStyle, |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('1')), |
| ButtonSegment<int>(value: 2, label: Text('2')), |
| ButtonSegment<int>(value: 3, label: Text('3'), enabled: false), |
| ], |
| selected: const <int>{2}, |
| onSelectionChanged: (Set<int> selected) { }, |
| selectedIcon: const Icon(Icons.alarm), |
| ), |
| ), |
| ), |
| )); |
| |
| // Test provided button style is applied to the enabled button segment. |
| ButtonStyle? buttonStyle = tester.widget<TextButton>(find.byType(TextButton).first).style; |
| expect(buttonStyle?.foregroundColor?.resolve(enabled), foregroundColor); |
| expect(buttonStyle?.backgroundColor?.resolve(enabled), backgroundColor); |
| expect(buttonStyle?.overlayColor, styleFromStyle.overlayColor); |
| expect(buttonStyle?.surfaceTintColor, styleFromStyle.surfaceTintColor); |
| expect(buttonStyle?.elevation, styleFromStyle.elevation); |
| expect(buttonStyle?.textStyle, styleFromStyle.textStyle); |
| expect(buttonStyle?.padding, styleFromStyle.padding); |
| expect(buttonStyle?.mouseCursor?.resolve(enabled), enabledMouseCursor); |
| expect(buttonStyle?.visualDensity, styleFromStyle.visualDensity); |
| expect(buttonStyle?.tapTargetSize, styleFromStyle.tapTargetSize); |
| expect(buttonStyle?.animationDuration, styleFromStyle.animationDuration); |
| expect(buttonStyle?.enableFeedback, styleFromStyle.enableFeedback); |
| expect(buttonStyle?.alignment, styleFromStyle.alignment); |
| expect(buttonStyle?.splashFactory, styleFromStyle.splashFactory); |
| |
| // Test provided button style is applied selected button segment. |
| buttonStyle = tester.widget<TextButton>(find.byType(TextButton).at(1)).style; |
| expect(buttonStyle?.foregroundColor?.resolve(selected), selectedForegroundColor); |
| expect(buttonStyle?.backgroundColor?.resolve(selected), selectedBackgroundColor); |
| expect(buttonStyle?.mouseCursor?.resolve(enabled), enabledMouseCursor); |
| |
| // Test provided button style is applied disabled button segment. |
| buttonStyle = tester.widget<TextButton>(find.byType(TextButton).last).style; |
| expect(buttonStyle?.foregroundColor?.resolve(disabled), disabledForegroundColor); |
| expect(buttonStyle?.backgroundColor?.resolve(disabled), disabledBackgroundColor); |
| expect(buttonStyle?.mouseCursor?.resolve(disabled), disabledMouseCursor); |
| |
| // Test provided button style is applied to the segmented button material. |
| final Material material = tester.widget<Material>(find.descendant( |
| of: find.byType(SegmentedButton<int>), |
| matching: find.byType(Material), |
| ).first); |
| expect(material.elevation, styleFromStyle.elevation?.resolve(enabled)); |
| expect(material.shadowColor, styleFromStyle.shadowColor?.resolve(enabled)); |
| expect(material.surfaceTintColor, styleFromStyle.surfaceTintColor?.resolve(enabled)); |
| |
| // Test provided button style border is applied to the segmented button border. |
| expect( |
| find.byType(SegmentedButton<int>), |
| paints..line(color: styleFromStyle.side?.resolve(enabled)?.color), |
| ); |
| |
| // Test foreground color is applied to the overlay color. |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.down(tester.getCenter(find.text('1'))); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: foregroundColor.withOpacity(0.08))); |
| }); |
| |
| testWidgets('Disabled SegmentedButton has correct states when rebuilding', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: StatefulBuilder( |
| builder: (BuildContext context, StateSetter setState) { |
| return Column( |
| children: <Widget>[ |
| SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 0, label: Text('foo')), |
| ], |
| selected: const <int>{0}, |
| ), |
| ElevatedButton( |
| onPressed: () => setState(() {}), |
| child: const Text('Trigger rebuild'), |
| ), |
| ], |
| ); |
| }, |
| ), |
| ), |
| ), |
| ), |
| ); |
| final Set<MaterialState> states = <MaterialState>{ MaterialState.selected, MaterialState.disabled }; |
| // Check the initial states. |
| SegmentedButtonState<int> state = tester.state(find.byType(SegmentedButton<int>)); |
| expect(state.statesControllers.values.first.value, states); |
| // Trigger a rebuild. |
| await tester.tap(find.byType(ElevatedButton)); |
| await tester.pumpAndSettle(); |
| // Check the states after the rebuild. |
| state = tester.state(find.byType(SegmentedButton<int>)); |
| expect(state.statesControllers.values.first.value, states); |
| }); |
| |
| testWidgets('Min button hit target height is 48.0 and min (painted) button height is 40 ' |
| 'by default with standard density and MaterialTapTargetSize.padded', (WidgetTester tester) async { |
| final ThemeData theme = ThemeData(); |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: theme, |
| home: Scaffold( |
| body: Center( |
| child: Column( |
| children: <Widget>[ |
| SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 0, label: Text('Day'), icon: Icon(Icons.calendar_view_day)), |
| ButtonSegment<int>(value: 1, label: Text('Week'), icon: Icon(Icons.calendar_view_week)), |
| ButtonSegment<int>(value: 2, label: Text('Month'), icon: Icon(Icons.calendar_view_month)), |
| ButtonSegment<int>(value: 3, label: Text('Year'), icon: Icon(Icons.calendar_today)), |
| ], |
| selected: const <int>{0}, |
| onSelectionChanged: (Set<int> value) {}, |
| ), |
| ], |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| expect(theme.visualDensity, VisualDensity.standard); |
| expect(theme.materialTapTargetSize, MaterialTapTargetSize.padded); |
| |
| final Finder button = find.byType(SegmentedButton<int>); |
| expect(tester.getSize(button).height, 48.0); |
| expect( |
| find.byType(SegmentedButton<int>), |
| paints..rrect( |
| style: PaintingStyle.stroke, |
| strokeWidth: 1.0, |
| // Button border height is button.bottom(43.5) - button.top(4.5) + stoke width(1) = 40. |
| rrect: RRect.fromLTRBR(0.5, 4.5, 497.5, 43.5, const Radius.circular(19.5)) |
| ) |
| ); |
| }); |
| |
| testWidgets('SegmentedButton expands to fill the available width when expandedInsets is not null', (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('Segment 1')), |
| ButtonSegment<int>(value: 2, label: Text('Segment 2')), |
| ], |
| selected: const <int>{1}, |
| expandedInsets: EdgeInsets.zero, |
| ), |
| ), |
| ), |
| )); |
| |
| // Get the width of the SegmentedButton. |
| final RenderBox box = tester.renderObject(find.byType(SegmentedButton<int>)); |
| final double segmentedButtonWidth = box.size.width; |
| |
| // Get the width of the parent widget. |
| final double screenWidth = tester.getSize(find.byType(Scaffold)).width; |
| |
| // The width of the SegmentedButton must be equal to the width of the parent widget. |
| expect(segmentedButtonWidth, equals(screenWidth)); |
| }); |
| |
| testWidgets('SegmentedButton does not expand when expandedInsets is null', (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>(value: 1, label: Text('Segment 1')), |
| ButtonSegment<int>(value: 2, label: Text('Segment 2')), |
| ], |
| selected: const <int>{1}, |
| ), |
| ), |
| ), |
| )); |
| |
| // Get the width of the SegmentedButton. |
| final RenderBox box = tester.renderObject(find.byType(SegmentedButton<int>)); |
| final double segmentedButtonWidth = box.size.width; |
| |
| // Get the width of the parent widget. |
| final double screenWidth = tester.getSize(find.byType(Scaffold)).width; |
| |
| // The width of the SegmentedButton must be less than the width of the parent widget. |
| expect(segmentedButtonWidth, lessThan(screenWidth)); |
| }, skip: kIsWeb && !isCanvasKit); // https://github.com/flutter/flutter/issues/145527 |
| |
| testWidgets('SegmentedButton.styleFrom overlayColor overrides default overlay color', (WidgetTester tester) async { |
| const Color overlayColor = Color(0xffff0000); |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| style: IconButton.styleFrom(overlayColor: overlayColor), |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>( |
| value: 0, |
| label: Text('Option 1'), |
| ), |
| ButtonSegment<int>( |
| value: 1, |
| label: Text('Option 2'), |
| ), |
| ], |
| onSelectionChanged: (Set<int> selected) {}, |
| selected: const <int>{1}, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Hovered selected segment, |
| Offset center = tester.getCenter(find.text('Option 1')); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor.withOpacity(0.08))); |
| |
| // Hovered unselected segment, |
| center = tester.getCenter(find.text('Option 2')); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor.withOpacity(0.08))); |
| |
| // Highlighted unselected segment (pressed). |
| center = tester.getCenter(find.text('Option 1')); |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect( |
| getOverlayColor(tester), |
| paints |
| ..rect(color: overlayColor.withOpacity(0.08)) |
| ..rect(color: overlayColor.withOpacity(0.1)), |
| ); |
| // Remove pressed and hovered states, |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| await gesture.moveTo(const Offset(0, 50)); |
| await tester.pumpAndSettle(); |
| |
| // Highlighted selected segment (pressed) |
| center = tester.getCenter(find.text('Option 2')); |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect( |
| getOverlayColor(tester), |
| paints |
| ..rect(color: overlayColor.withOpacity(0.08)) |
| ..rect(color: overlayColor.withOpacity(0.1)), |
| ); |
| // Remove pressed and hovered states, |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| await gesture.moveTo(const Offset(0, 50)); |
| await tester.pumpAndSettle(); |
| |
| // Focused unselected segment. |
| await tester.sendKeyEvent(LogicalKeyboardKey.tab); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor.withOpacity(0.1))); |
| |
| // Focused selected segment. |
| await tester.sendKeyEvent(LogicalKeyboardKey.tab); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor.withOpacity(0.1))); |
| }); |
| |
| testWidgets('SegmentedButton.styleFrom with transparent overlayColor', (WidgetTester tester) async { |
| const Color overlayColor = Colors.transparent; |
| await tester.pumpWidget( |
| MaterialApp( |
| home: Scaffold( |
| body: Center( |
| child: SegmentedButton<int>( |
| style: IconButton.styleFrom(overlayColor: overlayColor), |
| segments: const <ButtonSegment<int>>[ |
| ButtonSegment<int>( |
| value: 0, |
| label: Text('Option'), |
| ), |
| ], |
| onSelectionChanged: (Set<int> selected) {}, |
| selected: const <int>{0}, |
| ), |
| ), |
| ), |
| ), |
| ); |
| |
| // Hovered, |
| final Offset center = tester.getCenter(find.text('Option')); |
| final TestGesture gesture = await tester.createGesture( |
| kind: PointerDeviceKind.mouse, |
| ); |
| await gesture.addPointer(); |
| await gesture.moveTo(center); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor)); |
| |
| // Highlighted (pressed). |
| await gesture.down(center); |
| await tester.pumpAndSettle(); |
| expect( |
| getOverlayColor(tester), |
| paints |
| ..rect(color: overlayColor) |
| ..rect(color: overlayColor), |
| ); |
| // Remove pressed and hovered states, |
| await gesture.up(); |
| await tester.pumpAndSettle(); |
| await gesture.moveTo(const Offset(0, 50)); |
| await tester.pumpAndSettle(); |
| |
| // Focused. |
| await tester.sendKeyEvent(LogicalKeyboardKey.tab); |
| await tester.pumpAndSettle(); |
| expect(getOverlayColor(tester), paints..rect(color: overlayColor)); |
| }); |
| } |
| |
| Set<MaterialState> enabled = const <MaterialState>{}; |
| Set<MaterialState> disabled = const <MaterialState>{ MaterialState.disabled }; |
| Set<MaterialState> selected = const <MaterialState>{ MaterialState.selected }; |
