| // 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 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(); |
| }); |
| } |