// 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 'package:flutter/painting.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/material.dart'; import 'package:flutter/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; import '../widgets/semantics_tester.dart'; void main() { testWidgets('Card can take semantic text from multiple children', (WidgetTester tester) async { final SemanticsTester semantics = SemanticsTester(tester); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Card( semanticContainer: false, child: Column( children: <Widget>[ const Text('I am text!'), const Text('Moar text!!1'), MaterialButton( child: const Text('Button'), onPressed: () { }, ), ], ), ), ), ), ), ); expect(semantics, hasSemantics( TestSemantics.root( children: <TestSemantics>[ TestSemantics( id: 1, elevation: 1.0, thickness: 0.0, children: <TestSemantics>[ TestSemantics( id: 2, label: 'I am text!', textDirection: TextDirection.ltr, ), TestSemantics( id: 3, label: 'Moar text!!1', textDirection: TextDirection.ltr, ), TestSemantics( id: 4, label: 'Button', textDirection: TextDirection.ltr, actions: <SemanticsAction>[ SemanticsAction.tap, ], flags: <SemanticsFlag>[ SemanticsFlag.hasEnabledState, SemanticsFlag.isButton, SemanticsFlag.isEnabled, SemanticsFlag.isFocusable, ], ), ], ), ], ), ignoreTransform: true, ignoreRect: true, )); semantics.dispose(); }); testWidgets('Card merges children when it is a semanticContainer', (WidgetTester tester) async { final SemanticsTester semantics = SemanticsTester(tester); debugResetSemanticsIdCounter(); await tester.pumpWidget( Directionality( textDirection: TextDirection.ltr, child: Material( child: Center( child: Card( semanticContainer: true, child: Column( children: const <Widget>[ Text('First child'), Text('Second child'), ], ), ), ), ), ), ); expect(semantics, hasSemantics( TestSemantics.root( children: <TestSemantics>[ TestSemantics( id: 1, label: 'First child\nSecond child', textDirection: TextDirection.ltr, ), ], ), ignoreTransform: true, ignoreRect: true, )); semantics.dispose(); }); testWidgets('Card margin', (WidgetTester tester) async { const Key contentsKey = ValueKey<String>('contents'); await tester.pumpWidget( Container( alignment: Alignment.topLeft, child: Card( child: Container( key: contentsKey, color: const Color(0xFF00FF00), width: 100.0, height: 100.0, ), ), ), ); // Default margin is 4 expect(tester.getTopLeft(find.byType(Card)), const Offset(0.0, 0.0)); expect(tester.getSize(find.byType(Card)), const Size(108.0, 108.0)); expect(tester.getTopLeft(find.byKey(contentsKey)), const Offset(4.0, 4.0)); expect(tester.getSize(find.byKey(contentsKey)), const Size(100.0, 100.0)); await tester.pumpWidget( Container( alignment: Alignment.topLeft, child: Card( margin: EdgeInsets.zero, child: Container( key: contentsKey, color: const Color(0xFF00FF00), width: 100.0, height: 100.0, ), ), ), ); // Specified margin is zero expect(tester.getTopLeft(find.byType(Card)), const Offset(0.0, 0.0)); expect(tester.getSize(find.byType(Card)), const Size(100.0, 100.0)); expect(tester.getTopLeft(find.byKey(contentsKey)), const Offset(0.0, 0.0)); expect(tester.getSize(find.byKey(contentsKey)), const Size(100.0, 100.0)); }); testWidgets('Card clipBehavior property passes through to the Material', (WidgetTester tester) async { await tester.pumpWidget(const Card()); expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.none); await tester.pumpWidget(const Card(clipBehavior: Clip.antiAlias)); expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.antiAlias); }); testWidgets('Card clipBehavior property defers to theme when null', (WidgetTester tester) async { await tester.pumpWidget(Builder(builder: (BuildContext context) { final ThemeData themeData = Theme.of(context); return Theme( data: themeData.copyWith( cardTheme: themeData.cardTheme.copyWith( clipBehavior: Clip.antiAliasWithSaveLayer, ), ), child: const Card(clipBehavior: null), ); })); expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.antiAliasWithSaveLayer); }); testWidgets('Card shadowColor', (WidgetTester tester) async { Material _getCardMaterial(WidgetTester tester) { return tester.widget<Material>( find.descendant( of: find.byType(Card), matching: find.byType(Material), ), ); } Card _getCard(WidgetTester tester) { return tester.widget<Card>( find.byType(Card) ); } await tester.pumpWidget( const Card(), ); expect(_getCard(tester).shadowColor, null); expect(_getCardMaterial(tester).shadowColor, const Color(0xFF000000)); await tester.pumpWidget( const Card( shadowColor: Colors.red, ), ); expect(_getCardMaterial(tester).shadowColor, _getCard(tester).shadowColor); expect(_getCardMaterial(tester).shadowColor, Colors.red); }); }