152 lines
4.1 KiB
Dart
152 lines
4.1 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'semantics_tester.dart';
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void main() {
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testWidgets('Semantics 4', (WidgetTester tester) async {
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final semantics = SemanticsTester(tester);
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// O
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// / \ O=root
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// L L L=node with label
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// / \ C=node with checked
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// C C* *=node removed next pass
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//
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[
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Semantics(container: true, label: 'L1'),
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Semantics(
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label: 'L2',
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container: true,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[Semantics(checked: true), Semantics(checked: false)],
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),
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),
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],
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),
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),
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);
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(id: 1, label: 'L1', rect: TestSemantics.fullScreen),
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TestSemantics.rootChild(
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id: 2,
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label: 'L2',
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rect: TestSemantics.fullScreen,
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children: <TestSemantics>[
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TestSemantics(
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id: 3,
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flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
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rect: TestSemantics.fullScreen,
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),
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TestSemantics(
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id: 4,
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flags: SemanticsFlag.hasCheckedState.index,
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rect: TestSemantics.fullScreen,
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),
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],
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),
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],
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),
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),
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);
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// O O=root
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// / \ L=node with label
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// L* LC C=node with checked
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// *=node removed next pass
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//
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[
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Semantics(label: 'L1', container: true),
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Semantics(
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label: 'L2',
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container: true,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[Semantics(checked: true), Semantics()],
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),
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),
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],
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),
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),
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);
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(id: 1, label: 'L1', rect: TestSemantics.fullScreen),
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TestSemantics.rootChild(
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id: 2,
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label: 'L2',
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flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
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rect: TestSemantics.fullScreen,
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),
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],
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),
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),
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);
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// O=root
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// OLC L=node with label
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// C=node with checked
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//
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[
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Semantics(),
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Semantics(
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label: 'L2',
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container: true,
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child: Stack(
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fit: StackFit.expand,
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children: <Widget>[Semantics(checked: true), Semantics()],
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),
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),
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],
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),
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),
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);
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(
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id: 2,
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label: 'L2',
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flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
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rect: TestSemantics.fullScreen,
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),
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],
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),
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),
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);
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semantics.dispose();
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});
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}
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