// 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/cupertino.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/services.dart'; import 'package:flutter/src/gestures/constants.dart'; import 'package:flutter_test/flutter_test.dart'; import '../widgets/semantics_tester.dart'; void main() { final ThemeData theme = ThemeData(); setUp(() { debugResetSemanticsIdCounter(); }); testWidgets('Checkbox size is configurable by ThemeData.materialTapTargetSize', (WidgetTester tester) async { await tester.pumpWidget( Theme( data: theme.copyWith(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: theme.copyWith(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(Theme( data: theme, child: 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(Theme( data: theme, child: 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(Theme( data: theme, child: 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(Theme( data: theme, child: const Material( child: Checkbox( value: true, onChanged: null, ), ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isChecked: true, )); await tester.pumpWidget(Theme( data: theme, child: const Material( child: Checkbox( value: null, tristate: true, onChanged: null, ), ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isCheckStateMixed: true, )); await tester.pumpWidget(Theme( data: theme, child: const Material( child: Checkbox( value: true, tristate: true, onChanged: null, ), ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isChecked: true, )); await tester.pumpWidget(Theme( data: theme, child: const Material( child: Checkbox( value: false, tristate: true, onChanged: null, ), ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, )); // Check if semanticLabel is there. await tester.pumpWidget(Directionality( textDirection: TextDirection.ltr, child: Theme( data: theme, child: Material( child: Checkbox( semanticLabel: 'checkbox', value: true, onChanged: (bool? b) { }, ), ), ), )); expect(tester.getSemantics(find.byType(Focus)), matchesSemantics( label: 'checkbox', textDirection: TextDirection.ltr, hasCheckedState: true, hasEnabledState: true, isChecked: true, isEnabled: true, hasTapAction: true, isFocusable: true, )); handle.dispose(); }); testWidgets('Can wrap Checkbox with Semantics', (WidgetTester tester) async { final SemanticsHandle handle = tester.ensureSemantics(); await tester.pumpWidget(Theme( data: theme, child: 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( Theme( data: theme, child: 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( Theme( data: theme, child: Material( child: Checkbox( tristate: true, value: null, onChanged: (bool? newValue) { }, ), ), ), ); expect(semantics.nodesWith( flags: <SemanticsFlag>[ SemanticsFlag.hasCheckedState, SemanticsFlag.hasEnabledState, SemanticsFlag.isEnabled, SemanticsFlag.isFocusable, SemanticsFlag.isCheckStateMixed, ], actions: <SemanticsAction>[SemanticsAction.tap], ), hasLength(1)); await tester.pumpWidget( Theme( data: theme, child: 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( Theme( data: theme, child: 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( Theme( data: theme, child: 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('Material2 - Checkbox tristate rendering, programmatic transitions', (WidgetTester tester) async { final ThemeData theme = ThemeData(useMaterial3: false); Widget buildFrame(bool? checkboxValue) { return Theme( data: theme, child: 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(), paints..path(color: Colors.transparent)); // paint transparent border 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(color: theme.colorScheme.secondary) ..path(color: const Color(0xFFFFFFFF)) ); // checkmark is rendered as a path await tester.pumpWidget(buildFrame(false)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: Colors.transparent)); // paint transparent border 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(color: theme.colorScheme.secondary) ..path(color: const Color(0xFFFFFFFF)) ); // 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('Material3 - Checkbox tristate rendering, programmatic transitions', (WidgetTester tester) async { final ThemeData theme = ThemeData(useMaterial3: true); Widget buildFrame(bool? checkboxValue) { return Theme( data: theme, child: 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(), paints..path(color: Colors.transparent)); // paint transparent border 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(color: theme.colorScheme.primary) ..path(color: theme.colorScheme.onPrimary) ); // checkmark is rendered as a path await tester.pumpWidget(buildFrame(false)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: Colors.transparent)); // paint transparent border 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(color: theme.colorScheme.primary) ..path(color: theme.colorScheme.onPrimary) ); // 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('Material2 - Checkbox color rendering', (WidgetTester tester) async { ThemeData theme = ThemeData(useMaterial3: false); 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 ?? theme, 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); final ColorScheme colorScheme = const ColorScheme.light().copyWith(secondary: activeColor); theme = theme.copyWith(colorScheme: colorScheme); await tester.pumpWidget(buildFrame( themeData: theme), ); 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)); }); testWidgets('Material3 - Checkbox color rendering', (WidgetTester tester) async { ThemeData theme = ThemeData(useMaterial3: true); const Color borderColor = Color(0xFF6750A4); Color checkColor = const Color(0xffFFFFFF); Color activeColor; Widget buildFrame({Color? activeColor, Color? checkColor, ThemeData? themeData}) { return Material( child: Theme( data: themeData ?? theme, 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); final ColorScheme colorScheme = const ColorScheme.light().copyWith(primary: activeColor); theme = theme.copyWith(colorScheme: colorScheme); await tester.pumpWidget(buildFrame(themeData: theme)); 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)); }); testWidgets('Material2 - Checkbox is focusable and has correct focus color', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool enabled = true}) { return MaterialApp( theme: ThemeData(useMaterial3: false), 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, Radius.zero), ), ); // 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, Radius.zero), ), ); }); testWidgets('Material3 - Checkbox is focusable and has correct focus color', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); final ThemeData theme = ThemeData(useMaterial3: true); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool enabled = true}) { return MaterialApp( theme: theme, 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: theme.colorScheme.primary) ..path(color: theme.colorScheme.onPrimary) ); // 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: theme.colorScheme.onSurface, outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(2.0)), inner: RRect.fromLTRBR(17.0, 17.0, 31.0, 31.0, Radius.zero), ), ); // 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: theme.colorScheme.onSurface.withOpacity(0.38), outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(2.0)), inner: RRect.fromLTRBR(17.0, 17.0, 31.0, 31.0, Radius.zero), ), ); }); testWidgets('Checkbox with splash radius set', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; const double splashRadius = 30; Widget buildApp() { return MaterialApp( theme: theme, 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 starts the splash in center, even when tap is on the corner', (WidgetTester tester) async { Widget buildApp() { return MaterialApp( theme: theme, home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: false, onChanged: (bool? newValue) {}, ); }), ), ), ); } await tester.pumpWidget(buildApp()); final Offset checkboxTopLeftGlobal = tester.getTopLeft(find.byType(Checkbox)); final Offset checkboxCenterGlobal = tester.getCenter(find.byType(Checkbox)); final Offset checkboxCenterLocal = checkboxCenterGlobal - checkboxTopLeftGlobal; final TestGesture gesture = await tester.startGesture(checkboxTopLeftGlobal); await tester.pump(); // Wait for the splash to be drawn, but not long enough for it to animate towards the center, since // we want to catch it in its starting position. await tester.pump(const Duration(milliseconds: 1)); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(x: checkboxCenterLocal.dx, y: checkboxCenterLocal.dy), ); // Finish gesture to release resources. await gesture.up(); await tester.pumpAndSettle(); }); testWidgets('Material2 - Checkbox can be hovered and has correct hover color', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; final ThemeData theme = ThemeData(useMaterial3: false); Widget buildApp({bool enabled = true}) { return MaterialApp( theme: theme, 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('Material3 - Checkbox can be hovered and has correct hover color', (WidgetTester tester) async { tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; final ThemeData theme = ThemeData(useMaterial3: true); Widget buildApp({bool enabled = true}) { return MaterialApp( theme: theme, 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(0xff6750a4)) ..path(color: theme.colorScheme.onPrimary, 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(0xff6750a4)) ..path(color: theme.colorScheme.onPrimary, 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: theme.colorScheme.onSurface.withOpacity(0.38)) ..path(color: theme.colorScheme.surface, 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( theme: theme, 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( theme: theme, 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( theme: theme, 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( theme: theme, 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( MaterialApp( theme: theme, home: const 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( MaterialApp( theme: theme, home: const 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: theme, 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'); addTearDown(focusNode.dispose); 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: theme, 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( theme: theme, 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('Material2 - Checkbox default overlay color in active/pressed/focused/hovered states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; final ThemeData theme = ThemeData(useMaterial3: false); final ColorScheme colors = theme.colorScheme; Widget buildCheckbox({bool active = false, bool focused = false}) { return MaterialApp( theme: theme, home: Scaffold( body: Checkbox( focusNode: focusNode, autofocus: focused, value: active, onChanged: (_) { }, ), ), ); } await tester.pumpWidget(buildCheckbox()); final TestGesture gesture1 = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle(color: theme.unselectedWidgetColor.withAlpha(kRadialReactionAlpha)), reason: 'Default inactive pressed Checkbox should have overlay color from default fillColor', ); await tester.pumpWidget(buildCheckbox(active: true)); final TestGesture gesture2 = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle(color: colors.secondary.withAlpha(kRadialReactionAlpha)), reason: 'Default active pressed Checkbox should have overlay color from default fillColor', ); await tester.pumpWidget(Container()); // reset test await tester.pumpWidget(buildCheckbox(focused: true)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: theme.focusColor), reason: 'Focused Checkbox should use default focused overlay color', ); await tester.pumpWidget(Container()); // reset test await tester.pumpWidget(buildCheckbox()); final TestGesture gesture3 = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture3.addPointer(); await gesture3.moveTo(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: theme.hoverColor), reason: 'Hovered Checkbox should use default hovered overlay color', ); // Finish gestures to release resources. await gesture1.up(); await gesture2.up(); await tester.pumpAndSettle(); }); testWidgets('Material3 - Checkbox default overlay color in active/pressed/focused/hovered states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; final ThemeData theme = ThemeData(useMaterial3: true); final ColorScheme colors = theme.colorScheme; Widget buildCheckbox({bool active = false, bool focused = false}) { return MaterialApp( theme: theme, home: Scaffold( body: Checkbox( focusNode: focusNode, autofocus: focused, value: active, onChanged: (_) { }, ), ), ); } await tester.pumpWidget(buildCheckbox()); final TestGesture gesture1 = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: colors.primary.withOpacity(0.12)), reason: 'Default inactive pressed Checkbox should have overlay color from default fillColor', ); await tester.pumpWidget(buildCheckbox(active: true)); final TestGesture gesture2 = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: colors.onSurface.withOpacity(0.12)), reason: 'Default active pressed Checkbox should have overlay color from default fillColor', ); await tester.pumpWidget(Container()); // reset test await tester.pumpWidget(buildCheckbox(focused: true)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: colors.onSurface.withOpacity(0.12)), reason: 'Focused Checkbox should use default focused overlay color', ); await tester.pumpWidget(Container()); // reset test await tester.pumpWidget(buildCheckbox()); final TestGesture gesture3 = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture3.addPointer(); await gesture3.moveTo(tester.getCenter(find.byType(Checkbox))); await tester.pumpAndSettle(); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: colors.onSurface.withOpacity(0.08)), reason: 'Hovered Checkbox should use default hovered overlay color', ); // Finish gestures to release resources. await gesture1.up(); await gesture2.up(); await tester.pumpAndSettle(); }); testWidgets('Checkbox overlay color resolves in active/pressed/focused/hovered states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); 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( theme: theme, 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)); final TestGesture gesture1 = 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)); final TestGesture gesture2 = 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()); final TestGesture gesture3 = 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)); final TestGesture gesture4 = 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(Container()); // reset test 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 gesture5 = await tester.createGesture(kind: PointerDeviceKind.mouse); await gesture5.addPointer(); await gesture5.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', ); // Finish gestures to release resources. await gesture1.up(); await gesture2.up(); await gesture3.up(); await gesture4.up(); await tester.pumpAndSettle(); }); 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( theme: theme, 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( theme: theme, 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 in M2', (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( theme: ThemeData(useMaterial3: false), 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, Radius.zero), ), ); } // 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/indeterminate, so the specified BorderSide is transparent await tester.pumpWidget(buildApp(value: true)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..drrect(color: Colors.transparent)); expect(getCheckboxRenderer(), paints..path(color: activeColor)); // checkbox fill await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..drrect(color: Colors.transparent)); expect(getCheckboxRenderer(), paints..path(color: activeColor)); // checkbox fill }); testWidgets('Material2 - Checkbox MaterialStateBorderSide applies unconditionally', (WidgetTester tester) async { const Color borderColor = Color(0xfff44336); const BorderSide side = BorderSide( width: 4, color: borderColor, ); final ThemeData theme = ThemeData(useMaterial3: false); Widget buildApp({ bool? value, bool enabled = true }) { return MaterialApp( theme: theme, 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, Radius.zero), ), ); } 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(); }); testWidgets('Material3 - Checkbox MaterialStateBorderSide applies unconditionally', (WidgetTester tester) async { const Color borderColor = Color(0xfff44336); const BorderSide side = BorderSide( width: 4, color: borderColor, ); final ThemeData theme = ThemeData(useMaterial3: true); Widget buildApp({ bool? value, bool enabled = true }) { return MaterialApp( theme: theme, 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(2)), inner: RRect.fromLTRBR(19, 19, 29, 29, Radius.zero), ), ); } 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(); }); testWidgets('disabled checkbox shows tooltip', (WidgetTester tester) async { const String longPressTooltip = 'long press tooltip'; const String tapTooltip = 'tap tooltip'; await tester.pumpWidget( const MaterialApp( home: Material( child: Tooltip( message: longPressTooltip, child: Checkbox(value: true, onChanged: null), ), ), ) ); // Default tooltip shows up after long pressed. final Finder tooltip0 = find.byType(Tooltip); expect(find.text(longPressTooltip), findsNothing); await tester.tap(tooltip0); await tester.pump(const Duration(milliseconds: 10)); expect(find.text(longPressTooltip), findsNothing); final TestGesture gestureLongPress = await tester.startGesture(tester.getCenter(tooltip0)); await tester.pump(); await tester.pump(kLongPressTimeout); await gestureLongPress.up(); await tester.pump(); expect(find.text(longPressTooltip), findsOneWidget); // Tooltip shows up after tapping when set triggerMode to TooltipTriggerMode.tap. await tester.pumpWidget( const MaterialApp( home: Material( child: Tooltip( triggerMode: TooltipTriggerMode.tap, message: tapTooltip, child: Checkbox(value: true, onChanged: null), ), ), ) ); await tester.pump(const Duration(days: 1)); await tester.pumpAndSettle(); expect(find.text(tapTooltip), findsNothing); expect(find.text(longPressTooltip), findsNothing); final Finder tooltip1 = find.byType(Tooltip); await tester.tap(tooltip1); await tester.pump(const Duration(milliseconds: 10)); expect(find.text(tapTooltip), findsOneWidget); }); testWidgets('Material3 - Checkbox has default error color when isError is set to true', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); final ThemeData themeData = ThemeData(useMaterial3: true); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = true; Widget buildApp({bool autoFocus = true}) { return MaterialApp( theme: themeData, home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( isError: true, value: value, onChanged: (bool? newValue) { setState(() { value = newValue; }); }, autofocus: autoFocus, focusNode: focusNode, ); }), ), ), ); } // Focused await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expect( Material.of(tester.element(find.byType(Checkbox))), paints..circle(color: themeData.colorScheme.error.withOpacity(0.12))..path(color: themeData.colorScheme.error)..path(color: themeData.colorScheme.onError) ); // Default color await tester.pumpWidget(Container()); await tester.pumpWidget(buildApp(autoFocus: false)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isFalse); expect( Material.of(tester.element(find.byType(Checkbox))), paints..path(color: themeData.colorScheme.error)..path(color: themeData.colorScheme.onError) ); // 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: themeData.colorScheme.error.withOpacity(0.08)) ..path(color: themeData.colorScheme.error) ); // Start pressing final TestGesture gestureLongPress = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pump(); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..circle(color: themeData.colorScheme.error.withOpacity(0.12)) ..path(color: themeData.colorScheme.error) ); await gestureLongPress.up(); await tester.pump(); }); testWidgets('Material3 - Checkbox MaterialStateBorderSide applies in error states', (WidgetTester tester) async { final FocusNode focusNode = FocusNode(debugLabel: 'Checkbox'); addTearDown(focusNode.dispose); final ThemeData themeData = ThemeData(useMaterial3: true); const Color borderColor = Color(0xffffeb3b); tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional; bool? value = false; Widget buildApp({bool autoFocus = true}) { return MaterialApp( theme: themeData, home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( isError: true, side: MaterialStateBorderSide.resolveWith((Set<MaterialState> states) { if (states.contains(MaterialState.error)) { return const BorderSide(color: borderColor, width: 4); } return const BorderSide(color: Colors.red, width: 2); }), value: value, onChanged: (bool? newValue) { setState(() { value = newValue; }); }, autofocus: autoFocus, focusNode: focusNode, ); }), ), ), ); } void expectBorder() { expect( tester.renderObject<RenderBox>(find.byType(Checkbox)), paints ..drrect( color: borderColor, outer: RRect.fromLTRBR(15, 15, 33, 33, const Radius.circular(2)), inner: RRect.fromLTRBR(19, 19, 29, 29, Radius.zero), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expectBorder(); // Focused await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isTrue); expectBorder(); // Default color await tester.pumpWidget(Container()); await tester.pumpWidget(buildApp(autoFocus: false)); await tester.pumpAndSettle(); expect(focusNode.hasPrimaryFocus, isFalse); expectBorder(); // 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(); expectBorder(); // Start pressing final TestGesture gestureLongPress = await tester.startGesture(tester.getCenter(find.byType(Checkbox))); await tester.pump(); expectBorder(); await gestureLongPress.up(); await tester.pump(); }); testWidgets('Material3 - Checkbox has correct default shape', (WidgetTester tester) async { final ThemeData themeData = ThemeData(useMaterial3: true); Widget buildApp() { return MaterialApp( theme: themeData, home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox( value: false, onChanged: (bool? newValue) {}, ); }), ), ), ); } await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); final OutlinedBorder? expectedShape = themeData.checkboxTheme.shape; expect(tester.widget<Checkbox>(find.byType(Checkbox)).shape, expectedShape); expect( Material.of(tester.element(find.byType(Checkbox))), paints ..drrect( outer: RRect.fromLTRBR(15.0, 15.0, 33.0, 33.0, const Radius.circular(2)), inner: RRect.fromLTRBR(17.0, 17.0, 31.0, 31.0, Radius.zero), ), ); }); testWidgets('Checkbox.adaptive shows the correct platform widget', (WidgetTester tester) async { Widget buildApp(TargetPlatform platform) { return MaterialApp( theme: ThemeData(platform: platform), home: Material( child: Center( child: StatefulBuilder(builder: (BuildContext context, StateSetter setState) { return Checkbox.adaptive( value: false, onChanged: (bool? newValue) {}, ); }), ), ), ); } for (final TargetPlatform platform in <TargetPlatform>[ TargetPlatform.iOS, TargetPlatform.macOS ]) { await tester.pumpWidget(buildApp(platform)); await tester.pumpAndSettle(); expect(find.byType(CupertinoCheckbox), findsOneWidget); } for (final TargetPlatform platform in <TargetPlatform>[ TargetPlatform.android, TargetPlatform.fuchsia, TargetPlatform.linux, TargetPlatform.windows ]) { await tester.pumpWidget(buildApp(platform)); await tester.pumpAndSettle(); expect(find.byType(CupertinoCheckbox), findsNothing); } }); testWidgets('Material2 - Checkbox respects fillColor when it is unchecked', (WidgetTester tester) async { final ThemeData theme = ThemeData(useMaterial3: false); const Color activeBackgroundColor = Color(0xff123456); const Color inactiveBackgroundColor = Color(0xff654321); Widget buildApp({ bool enabled = true }) { return MaterialApp( theme: theme, home: Material( child: Center( child: Checkbox( fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) { if (states.contains(MaterialState.selected)) { return activeBackgroundColor; } return inactiveBackgroundColor; }), value: false, onChanged: enabled ? (bool? newValue) { } : null, ), ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } // Checkbox is unselected, so the default BorderSide appears and fillColor is checkbox's background color. await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect( getCheckboxRenderer(), paints ..drrect( color: theme.unselectedWidgetColor, ), ); expect(getCheckboxRenderer(), paints..path(color: inactiveBackgroundColor)); await tester.pumpWidget(buildApp(enabled: false)); await tester.pumpAndSettle(); expect( getCheckboxRenderer(), paints ..drrect( color: theme.disabledColor, ), ); expect(getCheckboxRenderer(), paints..path(color: inactiveBackgroundColor)); }); testWidgets('Material3 - Checkbox respects fillColor when it is unchecked', (WidgetTester tester) async { final ThemeData theme = ThemeData(useMaterial3: true); const Color activeBackgroundColor = Color(0xff123456); const Color inactiveBackgroundColor = Color(0xff654321); Widget buildApp({ bool enabled = true }) { return MaterialApp( theme: theme, home: Material( child: Center( child: Checkbox( fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) { if (states.contains(MaterialState.selected)) { return activeBackgroundColor; } return inactiveBackgroundColor; }), value: false, onChanged: enabled ? (bool? newValue) { } : null, ), ), ), ); } RenderBox getCheckboxRenderer() { return tester.renderObject<RenderBox>(find.byType(Checkbox)); } // Checkbox is unselected, so the default BorderSide appears and fillColor is checkbox's background color. await tester.pumpWidget(buildApp()); await tester.pumpAndSettle(); expect( getCheckboxRenderer(), paints ..drrect( color: theme.colorScheme.onSurfaceVariant, ), ); expect(getCheckboxRenderer(), paints..path(color: inactiveBackgroundColor)); await tester.pumpWidget(buildApp(enabled: false)); await tester.pumpAndSettle(); expect( getCheckboxRenderer(), paints ..drrect( color: theme.colorScheme.onSurface.withOpacity(0.38), ), ); expect(getCheckboxRenderer(), paints..path(color: inactiveBackgroundColor)); }); } 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()'; }