// Copyright 2017 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_ui/ui.dart' show TextDirection; import 'package:flutter_web/semantics.dart'; import 'package:flutter_web/services.dart' show SystemChannels; import 'package:test/test.dart'; void main() { test('Semantic announcement', () async { final List> log = >[]; SystemChannels.accessibility .setMockMessageHandler((Object mockMessage) async { final Map message = mockMessage; log.add(message); }); await SemanticsService.announce('announcement 1', TextDirection.ltr); await SemanticsService.announce('announcement 2', TextDirection.rtl); expect( log, equals(>[ { 'type': 'announce', 'data': { 'message': 'announcement 1', 'textDirection': 1 } }, { 'type': 'announce', 'data': { 'message': 'announcement 2', 'textDirection': 0 } }, ])); }); }