flutter_flutter/packages/flutter/test/widgets/semantics_7_test.dart
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

118 lines
3.3 KiB
Dart

// 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/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'semantics_tester.dart';
void main() {
testWidgets('Semantics 7 - Merging', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
String label;
label = '1';
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Stack(
fit: StackFit.expand,
children: <Widget>[
MergeSemantics(
child: Semantics(
checked: true,
container: true,
child: Semantics(container: true, label: label),
),
),
MergeSemantics(
child: Stack(
fit: StackFit.expand,
children: <Widget>[Semantics(checked: true), Semantics(label: label)],
),
),
],
),
),
);
expect(
semantics,
hasSemantics(
TestSemantics.root(
children: <TestSemantics>[
TestSemantics.rootChild(
id: 1,
flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
label: label,
rect: TestSemantics.fullScreen,
),
// IDs 2 and 3 are used up by the nodes that get merged in
TestSemantics.rootChild(
id: 4,
flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
label: label,
rect: TestSemantics.fullScreen,
),
// IDs 5 and 6 are used up by the nodes that get merged in
],
),
),
);
label = '2';
await tester.pumpWidget(
Directionality(
textDirection: TextDirection.ltr,
child: Stack(
fit: StackFit.expand,
children: <Widget>[
MergeSemantics(
child: Semantics(
checked: true,
container: true,
child: Semantics(container: true, label: label),
),
),
MergeSemantics(
child: Stack(
fit: StackFit.expand,
children: <Widget>[Semantics(checked: true), Semantics(label: label)],
),
),
],
),
),
);
expect(
semantics,
hasSemantics(
TestSemantics.root(
children: <TestSemantics>[
TestSemantics.rootChild(
id: 1,
flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
label: label,
rect: TestSemantics.fullScreen,
),
// IDs 2 and 3 are used up by the nodes that get merged in
TestSemantics.rootChild(
id: 4,
flags: SemanticsFlag.hasCheckedState.index | SemanticsFlag.isChecked.index,
label: label,
rect: TestSemantics.fullScreen,
),
// IDs 5 and 6 are used up by the nodes that get merged in
],
),
),
);
semantics.dispose();
});
}