30 lines
1.1 KiB
Dart
30 lines
1.1 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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@TestOn('!chrome')
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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test('Mock binary message handler control test', () async {
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final List<ByteData?> log = <ByteData>[];
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TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.setMockMessageHandler('test1', (ByteData? message) async {
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log.add(message);
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return null;
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});
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final ByteData message = ByteData(2)..setUint16(0, 0xABCD);
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await TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.send('test1', message);
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expect(log, equals(<ByteData>[message]));
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log.clear();
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TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.setMockMessageHandler('test1', null);
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await TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.send('test1', message);
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expect(log, isEmpty);
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});
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}
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