Files
flutter-go/packages/flutter_web/test/widgets/semantics_5_test.dart
2019-08-13 20:38:46 +08:00

49 lines
1.4 KiB
Dart

// Copyright 2015 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 'package:flutter_web/material.dart';
import 'package:flutter_web/widgets.dart';
import 'package:flutter_web_test/flutter_web_test.dart';
import 'semantics_tester.dart';
void main() {
testWidgets('Semantics 5', (WidgetTester tester) async {
final SemanticsTester semantics = SemanticsTester(tester);
await tester.pumpWidget(Stack(
textDirection: TextDirection.ltr,
fit: StackFit.expand,
children: <Widget>[
Semantics(
// this tests that empty nodes disappear
),
Semantics(
// this tests whether you can have a container with no other semantics
container: true,
),
Semantics(
label: 'label', // (force a fork)
textDirection: TextDirection.ltr,
),
]));
expect(
semantics,
hasSemantics(TestSemantics.root(children: <TestSemantics>[
TestSemantics.rootChild(
id: 1,
rect: TestSemantics.fullScreen,
),
TestSemantics.rootChild(
id: 2,
label: 'label',
rect: TestSemantics.fullScreen,
),
])));
semantics.dispose();
});
}