blob: fe9046797635251a4fa6cd636e741e2e7a1ee0d7 [file] [log] [blame]
// 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.
// @dart = 2.8
import 'dart:ui' show TextDirection;
import 'package:flutter/semantics.dart';
import 'package:flutter/services.dart' show SystemChannels;
import 'package:flutter_test/flutter_test.dart' show TestWidgetsFlutterBinding;
import '../flutter_test_alternative.dart';
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
test('Semantic announcement', () async {
final List<Map<dynamic, dynamic>> log = <Map<dynamic, dynamic>>[];
SystemChannels.accessibility.setMockMessageHandler((Object mockMessage) async {
final Map<dynamic, dynamic> message = mockMessage as Map<dynamic, dynamic>;
log.add(message);
});
await SemanticsService.announce('announcement 1', TextDirection.ltr);
await SemanticsService.announce('announcement 2', TextDirection.rtl);
expect(log, equals(<Map<String, dynamic>>[
<String, dynamic>{'type': 'announce', 'data': <String, dynamic>{'message': 'announcement 1', 'textDirection': 1}},
<String, dynamic>{'type': 'announce', 'data': <String, dynamic>{'message': 'announcement 2', 'textDirection': 0}},
]));
});
}