// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import '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 '../rendering/mock_canvas.dart'; import '../widgets/semantics_tester.dart'; void main() { setUp(() { debugResetSemanticsIdCounter(); }); testWidgets('Checkbox size is configurable by ThemeData.materialTapTargetSize', (WidgetTester tester) async { await tester.pumpWidget( Theme( data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.padded), child: Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Checkbox( value: true, onChanged: (bool? newValue) { }, ), ), ), ), ), ); expect(tester.getSize(find.byType(Checkbox)), const Size(48.0, 48.0)); await tester.pumpWidget( Theme( data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.shrinkWrap), child: Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Checkbox( value: true, onChanged: (bool? newValue) { }, ), ), ), ), ), ); expect(tester.getSize(find.byType(Checkbox)), const Size(40.0, 40.0)); }); testWidgets('CheckBox semantics', (WidgetTester tester) async { final SemanticsHandle handle = tester.ensureSemantics(); await tester.pumpWidget(Material( child: Checkbox( value: false, onChanged: (bool? b) { }, ), )); expect(tester.getSemantics(find.byType(Focus)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isEnabled: true, hasTapAction: true, isFocusable: true, )); await tester.pumpWidget(Material( child: Checkbox( value: true, onChanged: (bool? b) { }, ), )); expect(tester.getSemantics(find.byType(Focus)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isChecked: true, isEnabled: true, hasTapAction: true, isFocusable: true, )); await tester.pumpWidget(const Material( child: Checkbox( value: false, onChanged: null, ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, // isFocusable is delayed by 1 frame. isFocusable: true, )); await tester.pump(); // isFocusable should be false now after the 1 frame delay. expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, )); await tester.pumpWidget(const Material( child: Checkbox( value: true, onChanged: null, ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isChecked: true, )); handle.dispose(); }); testWidgets('Can wrap CheckBox with Semantics', (WidgetTester tester) async { final SemanticsHandle handle = tester.ensureSemantics(); await tester.pumpWidget(Material( child: Semantics( label: 'foo', textDirection: TextDirection.ltr, child: Checkbox( value: false, onChanged: (bool? b) { }, ), ), )); expect(tester.getSemantics(find.byType(Focus).last), matchesSemantics( label: 'foo', textDirection: TextDirection.ltr, hasCheckedState: true, hasEnabledState: true, isEnabled: true, hasTapAction: true, isFocusable: true, )); handle.dispose(); }); testWidgets('CheckBox tristate: true', (WidgetTester tester) async { bool? checkBoxValue; await tester.pumpWidget( Material( child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( tristate: true, value: checkBoxValue, onChanged: (bool? value) { setState(() { checkBoxValue = value; }); }, ); }, ), ), ); expect(tester.widget<Checkbox>(find.byType(Checkbox)).value, null); await tester.tap(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(checkBoxValue, false); await tester.tap(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(checkBoxValue, true); await tester.tap(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(checkBoxValue, null); checkBoxValue = true; await tester.pumpAndSettle(); expect(checkBoxValue, true); checkBoxValue = null; await tester.pumpAndSettle(); expect(checkBoxValue, null); }); testWidgets('has semantics for tristate', (WidgetTester tester) async { final SemanticsTester semantics = SemanticsTester(tester); await tester.pumpWidget( Material( child: Checkbox( tristate: true, value: null, onChanged: (bool? newValue) { }, ), ), ); expect(semantics.nodesWith( flags: <SemanticsFlag>[ SemanticsFlag.hasCheckedState, SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, SemanticsFlag.isFocusable, ], actions: <SemanticsAction>[SemanticsAction.tap], ), hasLength(1)); await tester.pumpWidget( Material( child: Checkbox( tristate: true, value: true, onChanged: (bool? newValue) { }, ), ), ); expect(semantics.nodesWith( flags: <SemanticsFlag>[ SemanticsFlag.hasCheckedState, SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, SemanticsFlag.isChecked, SemanticsFlag.isFocusable, ], actions: <SemanticsAction>[SemanticsAction.tap], ), hasLength(1)); await tester.pumpWidget( Material( child: Checkbox( tristate: true, value: false, onChanged: (bool? newValue) { }, ), ), ); expect(semantics.nodesWith( flags: <SemanticsFlag>[ SemanticsFlag.hasCheckedState, SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, SemanticsFlag.isFocusable, ], actions: <SemanticsAction>[SemanticsAction.tap], ), hasLength(1)); semantics.dispose(); }); testWidgets('has semantic events', (WidgetTester tester) async { dynamic semanticEvent; bool? checkboxValue = false; tester.binding.defaultBinaryMessenger.setMockDecodedMessageHandler<dynamic>(SystemChannels.accessibility, (dynamic message) async { semanticEvent = message; }); final SemanticsTester semanticsTester = SemanticsTester(tester); await tester.pumpWidget( Material( child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( value: checkboxValue, onChanged: (bool? value) { setState(() { checkboxValue = value; }); }, ); }, ), ), ); await tester.tap(find.byType(Checkbox)); final RenderObject object = tester.firstRenderObject(find.byType(Checkbox)); expect(checkboxValue, true); expect(semanticEvent, <String, dynamic>{ 'type': 'tap', 'nodeId': object.debugSemantics!.id, 'data': <String, dynamic>{}, }); expect(object.debugSemantics!.getSemanticsData().hasAction(SemanticsAction.tap), true); tester.binding.defaultBinaryMessenger.setMockDecodedMessageHandler<dynamic>(SystemChannels.accessibility, null); semanticsTester.dispose(); }); testWidgets('CheckBox tristate rendering, programmatic transitions', (WidgetTester tester) async { Widget buildFrame(bool? checkboxValue) { return Material( child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( tristate: true, value: checkboxValue, onChanged: (bool? value) { }, ); }, ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } await tester.pumpWidget(buildFrame(false)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), isNot(paints..path())); // checkmark is rendered as a path expect(getCheckboxRenderer(), isNot(paints..line())); // null is rendered as a line (a "dash") expect(getCheckboxRenderer(), paints..drrect()); // empty checkbox await tester.pumpWidget(buildFrame(true)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path()); // checkmark is rendered as a path await tester.pumpWidget(buildFrame(false)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), isNot(paints..path())); // checkmark is rendered as a path expect(getCheckboxRenderer(), isNot(paints..line())); // null is rendered as a line (a "dash") expect(getCheckboxRenderer(), paints..drrect()); // empty checkbox await tester.pumpWidget(buildFrame(null)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..line()); // null is rendered as a line (a "dash") await tester.pumpWidget(buildFrame(true)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path()); // checkmark is rendered as a path await tester.pumpWidget(buildFrame(null)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..line()); // null is rendered as a line (a "dash") }); testWidgets('CheckBox color rendering', (WidgetTester tester) async { const Color borderColor = Color(0xff2196f3); Color checkColor = const Color(0xffFFFFFF); Color activeColor; Widget buildFrame({Color? activeColor, Color? checkColor, ThemeData? themeData}) { return Material( child: Theme( data: themeData ?? ThemeData(), child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( value: true, activeColor: activeColor, checkColor: checkColor, onChanged: (bool? value) { }, ); }, ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } await tester.pumpWidget(buildFrame(checkColor: checkColor)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: borderColor)..path(color: checkColor)); // paints's color is 0xFFFFFFFF (default color) checkColor = const Color(0xFF000000); await tester.pumpWidget(buildFrame(checkColor: checkColor)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: borderColor)..path(color: checkColor)); // paints's color is 0xFF000000 (params) activeColor = const Color(0xFF00FF00); await tester.pumpWidget(buildFrame( themeData: ThemeData( colorScheme: const ColorScheme.light() .copyWith(secondary: activeColor))), ); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: activeColor)); // paints's color is 0xFF00FF00 (theme) activeColor = const Color(0xFF000000); await tester.pumpWidget(buildFrame(activeColor: activeColor)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: activeColor)); // paints's color is 0xFF000000 (params) }); testWidgets('Checkbox is focusable and has correct focus color', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool enabled = true}) { return MaterialApp( home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: value, onChanged: enabled ? (bool? newValue) { setState(() { value = newValue; }); } : null, focusColor: Colors.orange[500], autofocus: true, focusNode: focusNode, ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle(color: Colors.orange[500]) ..path(color: const Color(0xff2196f3)) ..path(color: Colors.white), ); // Check the false value. value = false; await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle(color: Colors.orange[500]) ..drrect( color: const Color(0x8a000000), outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(1.0)), inner: RRect.fromLTRBR(17.0, 17.0, 31.0, 31.0, const Radius.circular(-1.0)), ), ); // Check what happens when disabled. value = false; await tester.pumpWidget(buildApp(enabled: false)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isFalse); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..drrect( color: const Color(0x61000000), outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(1.0)), inner: RRect.fromLTRBR(17.0, 17.0, 31.0, 31.0, const Radius.circular(-1.0)), ), ); }); testWidgets('Checkbox with splash radius set', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; const double splashRadius = 30; Widget buildApp() { return MaterialApp( home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: false, onChanged: (bool? newValue) {}, focusColor: Colors.orange[500], autofocus: true, splashRadius: splashRadius, ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: Colors.orange[500], radius: splashRadius), ); }); testWidgets('Checkbox can be hovered and has correct hover color', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool enabled = true}) { return MaterialApp( home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: value, onChanged: enabled ? (bool? newValue) { setState(() { value = newValue; }); } : null, hoverColor: Colors.orange[500], ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..path(color: const Color(0xff2196f3)) ..path(color: const Color(0xffffffff),style: PaintingStyle.stroke, strokeWidth: 2.0), ); // Start hovering final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture.moveTo(tester.getCenter(find.byType(Checkbox))); await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..path(color: const Color(0xff2196f3)) ..path(color: const Color(0xffffffff), style: PaintingStyle.stroke, strokeWidth: 2.0), ); // Check what happens when disabled. await tester.pumpWidget(buildApp(enabled: false)); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..path(color: const Color(0x61000000)) ..path(color: const Color(0xffffffff), style: PaintingStyle.stroke, strokeWidth: 2.0), ); }); testWidgets('Checkbox can be toggled by keyboard shortcuts', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool enabled = true}) { return MaterialApp( home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: value, onChanged: enabled ? (bool? newValue) { setState(() { value = newValue; }); } : null, focusColor: Colors.orange[500], autofocus: true, ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); await tester.sendKeyEvent(LogicalKeyboardKey.enter); await tester.pumpAndSettle(); // On web, switches don't respond to the enter key. expect(value, kIsWeb ? isTrue : isFalse); await tester.sendKeyEvent(LogicalKeyboardKey.enter); await tester.pumpAndSettle(); expect(value, isTrue); await tester.sendKeyEvent(LogicalKeyboardKey.space); await tester.pumpAndSettle(); expect(value, isFalse); await tester.sendKeyEvent(LogicalKeyboardKey.space); await tester.pumpAndSettle(); expect(value, isTrue); }); testWidgets('Checkbox responds to density changes.', (WidgetTester tester) async { const Key key = Key('test'); Future<void> buildTest(VisualDensity visualDensity) async { return tester.pumpWidget( MaterialApp( home: Material( child: Center( child: Checkbox( visualDensity: visualDensity, key: key, onChanged: (bool? value) {}, value: true, ), ), ), ), ); } await buildTest(VisualDensity.standard); final RenderBox box = tester.renderObject(find.byKey(key)); await tester.pumpAndSettle(); expect(box.size, equals(const Size(48, 48))); await buildTest(const VisualDensity(horizontal: 3.0, vertical: 3.0)); await tester.pumpAndSettle(); expect(box.size, equals(const Size(60, 60))); await buildTest(const VisualDensity(horizontal: -3.0, vertical: -3.0)); await tester.pumpAndSettle(); expect(box.size, equals(const Size(36, 36))); await buildTest(const VisualDensity(horizontal: 3.0, vertical: -3.0)); await tester.pumpAndSettle(); expect(box.size, equals(const Size(60, 36))); }); testWidgets('Checkbox stops hover animation when removed from the tree.', (WidgetTester tester) async { const Key checkboxKey = Key('checkbox'); bool? checkboxVal = true; await tester.pumpWidget( Theme( data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.padded), child: Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: StatefulBuilder( builder: (_, StateSetter setState) => Checkbox( key: checkboxKey, value: checkboxVal, onChanged: (bool? newValue) => setState(() {checkboxVal = newValue;}), ), ), ), ), ), ), ); expect(find.byKey(checkboxKey), findsOneWidget); final Offset checkboxCenter = tester.getCenter(find.byKey(checkboxKey)); final TestGesture testGesture = await tester.createGesture(kind: PointerDeviceKind.mouse); await testGesture.moveTo(checkboxCenter); await tester.pump(); // start animation await tester.pump(const Duration(milliseconds: 25)); // hover animation duration is 50 ms. It is half-way. await tester.pumpWidget( Theme( data: ThemeData(materialTapTargetSize: MaterialTapTargetSize.padded), child: Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Container(), ), ), ), ), ); // Hover animation should not trigger an exception when the checkbox is removed // before the hover animation should complete. expect(tester.takeException(), isNull); await testGesture.removePointer(); }); testWidgets('Checkbox changes mouse cursor when hovered', (WidgetTester tester) async { // Test Checkbox() constructor await tester.pumpWidget( MaterialApp( home: Scaffold( body: Align( alignment: Alignment.topLeft, child: Material( child: MouseRegion( cursor: SystemMouseCursors.forbidden, child: Checkbox( mouseCursor: SystemMouseCursors.text, value: true, onChanged: (_) {}, ), ), ), ), ), ), ); final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse, pointer: 1); await gesture.addPointer(location: tester.getCenter(find.byType(Checkbox))); await tester.pump(); expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text); // Test default cursor await tester.pumpWidget( MaterialApp( home: Scaffold( body: Align( alignment: Alignment.topLeft, child: Material( child: MouseRegion( cursor: SystemMouseCursors.forbidden, child: Checkbox( value: true, onChanged: (_) {}, ), ), ), ), ), ), ); expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.click); // Test default cursor when disabled await tester.pumpWidget( const MaterialApp( home: Scaffold( body: Align( alignment: Alignment.topLeft, child: Material( child: MouseRegion( cursor: SystemMouseCursors.forbidden, child: Checkbox( value: true, onChanged: null, ), ), ), ), ), ), ); expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.basic); // Test cursor when tristate await tester.pumpWidget( const MaterialApp( home: Scaffold( body: Align( alignment: Alignment.topLeft, child: Material( child: MouseRegion( cursor: SystemMouseCursors.forbidden, child: Checkbox( value: null, tristate: true, onChanged: null, mouseCursor: _SelectedGrabMouseCursor(), ), ), ), ), ), ), ); expect(RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.grab); await tester.pumpAndSettle(); }); testWidgets('Checkbox fill color resolves in enabled/disabled states', (WidgetTester tester) async { const Color activeEnabledFillColor = Color(0xFF000001); const Color activeDisabledFillColor = Color(0xFF000002); Color getFillColor(Set<MaterialState> states) { if (states.contains(MaterialState.disabled)) { return activeDisabledFillColor; } return activeEnabledFillColor; } final MaterialStateProperty<Color> fillColor = MaterialStateColor.resolveWith(getFillColor); Widget buildFrame({required bool enabled}) { return Material( child: Theme( data: ThemeData(), child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( value: true, fillColor: fillColor, onChanged: enabled ? (bool? value) { } : null, ); }, ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } await tester.pumpWidget(buildFrame(enabled: true)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: activeEnabledFillColor)); await tester.pumpWidget(buildFrame(enabled: false)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: activeDisabledFillColor)); }); testWidgets('Checkbox fill color resolves in hovered/focused states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'checkbox'); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; const Color hoveredFillColor = Color(0xFF000001); const Color focusedFillColor = Color(0xFF000002); Color getFillColor(Set<MaterialState> states) { if (states.contains(MaterialState.hovered)) { return hoveredFillColor; } if (states.contains(MaterialState.focused)) { return focusedFillColor; } return Colors.transparent; } final MaterialStateProperty<Color> fillColor = MaterialStateColor.resolveWith(getFillColor); Widget buildFrame() { return Material( child: Theme( data: ThemeData(), child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( focusNode: focusNode, autofocus: true, value: true, fillColor: fillColor, onChanged: (bool? value) { }, ); }, ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } await tester.pumpWidget(buildFrame()); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect(getCheckboxRenderer(), paints..path(color: focusedFillColor)); // Start hovering final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture.addPointer(); await gesture.moveTo(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: hoveredFillColor)); }); testWidgets('Checkbox respects shape and side', (WidgetTester tester) async { const RoundedRectangleBorder roundedRectangleBorder = RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(5))); const BorderSide side = BorderSide( width: 4, color: Color(0xfff44336), ); Widget buildApp() { return MaterialApp( home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: false, onChanged: (bool? newValue) {}, shape: roundedRectangleBorder, side: side, ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(tester.widget<Checkbox>(find.byType(Checkbox)).shape, roundedRectangleBorder); expect(tester.widget<Checkbox>(find.byType(Checkbox)).side, side); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..drrect( color: const Color(0xfff44336), outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(5)), inner: RRect.fromLTRBR(19.0, 19.0, 29.0, 29.0, const Radius.circular(1)), ), ); }); testWidgets('Checkbox overlay color resolves in active/pressed/focused/hovered states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; const Color fillColor = Color(0xFF000000); const Color activePressedOverlayColor = Color(0xFF000001); const Color inactivePressedOverlayColor = Color(0xFF000002); const Color hoverOverlayColor = Color(0xFF000003); const Color focusOverlayColor = Color(0xFF000004); const Color hoverColor = Color(0xFF000005); const Color focusColor = Color(0xFF000006); Color? getOverlayColor(Set<MaterialState> states) { if (states.contains(MaterialState.pressed)) { if (states.contains(MaterialState.selected)) { return activePressedOverlayColor; } return inactivePressedOverlayColor; } if (states.contains(MaterialState.hovered)) { return hoverOverlayColor; } if (states.contains(MaterialState.focused)) { return focusOverlayColor; } return null; } const double splashRadius = 24.0; Widget buildCheckbox({bool active = false, bool focused = false, bool useOverlay = true}) { return MaterialApp( home: Scaffold( body: Checkbox( focusNode: focusNode, autofocus: focused, value: active, onChanged: (_) { }, fillColor: const MaterialStatePropertyAll<Color>(fillColor), overlayColor: useOverlay ? MaterialStateProperty.resolveWith(getOverlayColor) : null, hoverColor: hoverColor, focusColor: focusColor, splashRadius: splashRadius, ), ), ); } await tester.pumpWidget(buildCheckbox(useOverlay: false)); await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: fillColor.withAlpha(kRadialReactionAlpha), radius: splashRadius, ), reason: 'Default inactive pressed Checkbox should have overlay color from fillColor', ); await tester.pumpWidget(buildCheckbox(active: true, useOverlay: false)); await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: fillColor.withAlpha(kRadialReactionAlpha), radius: splashRadius, ), reason: 'Default active pressed Checkbox should have overlay color from fillColor', ); await tester.pumpWidget(buildCheckbox()); await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: inactivePressedOverlayColor, radius: splashRadius, ), reason: 'Inactive pressed Checkbox should have overlay color: $inactivePressedOverlayColor', ); await tester.pumpWidget(buildCheckbox(active: true)); await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: activePressedOverlayColor, radius: splashRadius, ), reason: 'Active pressed Checkbox should have overlay color: $activePressedOverlayColor', ); await tester.pumpWidget(buildCheckbox(focused: true)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: focusOverlayColor, radius: splashRadius, ), reason: 'Focused Checkbox should use overlay color $focusOverlayColor over $focusColor', ); // Start hovering final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture.addPointer(); await gesture.moveTo(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: hoverOverlayColor, radius: splashRadius, ), reason: 'Hovered Checkbox should use overlay color $hoverOverlayColor over $hoverColor', ); }); testWidgets('Tristate Checkbox overlay color resolves in pressed active/inactive states', (WidgetTester tester) async { const Color activePressedOverlayColor = Color(0xFF000001); const Color inactivePressedOverlayColor = Color(0xFF000002); Color? getOverlayColor(Set<MaterialState> states) { if (states.contains(MaterialState.pressed)) { if (states.contains(MaterialState.selected)) { return activePressedOverlayColor; } return inactivePressedOverlayColor; } return null; } const double splashRadius = 24.0; TestGesture gesture; bool? value = false; Widget buildTristateCheckbox() { return MaterialApp( home: Scaffold( body: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( value: value, tristate: true, onChanged: (bool? v) { setState(() { value = v; }); }, overlayColor: MaterialStateProperty.resolveWith(getOverlayColor), splashRadius: splashRadius, ); }, ), ), ); } // The checkbox is inactive. await tester.pumpWidget(buildTristateCheckbox()); gesture = await tester.press(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(value, false); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: inactivePressedOverlayColor, radius: splashRadius, ), reason: 'Inactive pressed Checkbox should have overlay color: $inactivePressedOverlayColor', ); // The checkbox is active. await gesture.up(); gesture = await tester.press(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(value, true); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: activePressedOverlayColor, radius: splashRadius, ), reason: 'Active pressed Checkbox should have overlay color: $activePressedOverlayColor', ); // The checkbox is active in tri-state. await gesture.up(); gesture = await tester.press(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(value, null); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: activePressedOverlayColor, radius: splashRadius, ), reason: 'Active (tristate) pressed Checkbox should have overlay color: $activePressedOverlayColor', ); // The checkbox is inactive again. await gesture.up(); gesture = await tester.press(find.byType(Checkbox)); await tester.pumpAndSettle(); expect(value, false); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle( color: inactivePressedOverlayColor, radius: splashRadius, ), reason: 'Inactive pressed Checkbox should have overlay color: $inactivePressedOverlayColor', ); await gesture.up(); }); testWidgets('Do not crash when widget disappears while pointer is down', (WidgetTester tester) async { Widget buildCheckbox(bool show) { return MaterialApp( home: Material( child: Center( child: show ? Checkbox(value: true, onChanged: (_) { }) : Container(), ), ), ); } await tester.pumpWidget(buildCheckbox(true)); final Offset center = tester.getCenter(find.byType(Checkbox)); // Put a pointer down on the screen. final TestGesture gesture = await tester.startGesture(center); await tester.pump(); // While the pointer is down, the widget disappears. await tester.pumpWidget(buildCheckbox(false)); expect(find.byType(Checkbox), findsNothing); // Release pointer after widget disappeared. await gesture.up(); }); testWidgets('Checkbox BorderSide side only applies when unselected', (WidgetTester tester) async { const Color borderColor = Color(0xfff44336); const Color activeColor = Color(0xff123456); const BorderSide side = BorderSide( width: 4, color: borderColor, ); Widget buildApp({ bool? value, bool enabled = true }) { return MaterialApp( home: Material( child: Center( child: Checkbox( value: value, tristate: value == null, activeColor: activeColor, onChanged: enabled ? (bool? newValue) { } : null, side: side, ), ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } void expectBorder() { expect( getCheckboxRenderer(), paints ..drrect( color: borderColor, outer: RRect.fromLTRBR(15, 15, 33, 33, const Radius.circular(1)), inner: RRect.fromLTRBR(19, 19, 29, 29, const Radius.circular(-3)), ), ); } // Checkbox is unselected, so the specified BorderSide appears. await tester.pumpWidget(buildApp(value: false)); await tester.pumpAndSettle(); expectBorder(); await tester.pumpWidget(buildApp(value: false, enabled: false)); await tester.pumpAndSettle(); expectBorder(); // Checkbox is selected/interdeterminate, so the specified BorderSide // does not appear. await tester.pumpWidget(buildApp(value: true)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), isNot(paints..drrect())); // no border expect(getCheckboxRenderer(), paints..path(color: activeColor)); // checkbox fill await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), isNot(paints..drrect())); // no border expect(getCheckboxRenderer(), paints..path(color: activeColor)); // checkbox fill }); testWidgets('Checkbox MaterialStateBorderSide applies unconditionally', (WidgetTester tester) async { const Color borderColor = Color(0xfff44336); const BorderSide side = BorderSide( width: 4, color: borderColor, ); Widget buildApp({ bool? value, bool enabled = true }) { return MaterialApp( home: Material( child: Center( child: Checkbox( value: value, tristate: value == null, onChanged: enabled ? (bool? newValue) { } : null, side: MaterialStateBorderSide.resolveWith((Set<MaterialState> states) => side), ), ), ), ); } void expectBorder() { expect( tester.renderObject<RenderBox>(find.byType(Checkbox)), paints ..drrect( color: borderColor, outer: RRect.fromLTRBR(15, 15, 33, 33, const Radius.circular(1)), inner: RRect.fromLTRBR(19, 19, 29, 29, const Radius.circular(-3)), ), ); } await tester.pumpWidget(buildApp(value: false)); await tester.pumpAndSettle(); expectBorder(); await tester.pumpWidget(buildApp(value: false, enabled: false)); await tester.pumpAndSettle(); expectBorder(); await tester.pumpWidget(buildApp(value: true)); await tester.pumpAndSettle(); expectBorder(); await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expectBorder(); }); } class _SelectedGrabMouseCursor extends MaterialStateMouseCursor { const _SelectedGrabMouseCursor(); @override MouseCursor resolve(Set<MaterialState> states) { if (states.contains(MaterialState.selected)) { return SystemMouseCursors.grab; } return SystemMouseCursors.basic; } @override String get debugDescription => '_SelectedGrabMouseCursor()'; }