// Copyright 2017 The Chromium 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/rendering.dart'; import 'package:flutter/services.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:flutter/material.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(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isEnabled: true, hasTapAction: true, )); await tester.pumpWidget(Material( child: Checkbox( value: true, onChanged: (bool b) { }, ), )); expect(tester.getSemantics(find.byType(Checkbox)), matchesSemantics( hasCheckedState: true, hasEnabledState: true, isChecked: true, isEnabled: true, hasTapAction: true, )); await tester.pumpWidget(const Material( child: Checkbox( value: false, onChanged: null, ), )); 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(Checkbox)), matchesSemantics( label: 'foo', textDirection: TextDirection.ltr, hasCheckedState: true, hasEnabledState: true, isEnabled: true, hasTapAction: 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 ], 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, ], 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, ], actions: <SemanticsAction>[SemanticsAction.tap], ), hasLength(1)); semantics.dispose(); }); testWidgets('has semantic events', (WidgetTester tester) async { dynamic semanticEvent; bool checkboxValue = false; SystemChannels.accessibility.setMockMessageHandler((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); SystemChannels.accessibility.setMockMessageHandler(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) { }, ); }, ), ); } RenderToggleable getCheckboxRenderer() { return tester.renderObject<RenderToggleable>(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 { Widget buildFrame(Color color) { return Material( child: StatefulBuilder( builder: (BuildContext context, StateSetter setState) { return Checkbox( value: true, checkColor: color, onChanged: (bool value) { }, ); }, ), ); } RenderToggleable getCheckboxRenderer() { return tester.renderObject<RenderToggleable>(find.byType(Checkbox)); } await tester.pumpWidget(buildFrame(null)); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: const Color(0xFFFFFFFF))); // paints's color is 0xFFFFFFFF (default color) await tester.pumpWidget(buildFrame(const Color(0xFF000000))); await tester.pumpAndSettle(); expect(getCheckboxRenderer(), paints..path(color: const Color(0xFF000000))); // paints's color is 0xFF000000 (params) }); }