flutter/dev/automated_tests/flutter_test/ticker_test.dart
2021-05-21 15:09:03 -07:00

17 lines
654 B
Dart

// 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/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Does flutter_test catch leaking tickers?', (WidgetTester tester) async {
Ticker((Duration duration) { }).start();
final ByteData? message = const StringCodec().encodeMessage('AppLifecycleState.paused');
await tester.binding.defaultBinaryMessenger.handlePlatformMessage('flutter/lifecycle', message, (_) {});
});
}