// Copyright (c) 2026, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. import 'dart:async'; import 'common/test_helper.dart'; int counter = 0; void periodicTask(_) // LINE_C { counter++; counter++; // Line 19. We set our breakpoint here. // LINE_A counter++; // LINE_B if (counter % 300 == 0) { print('counter = $counter'); } } void startTimer() { Timer.periodic(const Duration(milliseconds: 10), periodicTask); } Future main([List args = const []]) { return startServiceTest(testeeConcurrent: startTimer); }