ticker_test.dart 654 Bytes
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// 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
// 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 {
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    Ticker((Duration duration) { }).start();
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    final ByteData? message = const StringCodec().encodeMessage('AppLifecycleState.paused');
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    await tester.binding.defaultBinaryMessenger.handlePlatformMessage('flutter/lifecycle', message, (_) {});
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  });
}