|  | // Copyright (c) 2012, 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. | 
|  |  | 
|  | library timer_cancel2_test; | 
|  |  | 
|  | import 'dart:async'; | 
|  | import 'package:unittest/unittest.dart'; | 
|  |  | 
|  | main() { | 
|  | // Test that a timeout handler can cancel itself. | 
|  | test("timer cancel test 2", () { | 
|  | var cancelTimer; | 
|  |  | 
|  | void cancelHandler(Timer timer) { | 
|  | cancelTimer.cancel(); | 
|  | } | 
|  |  | 
|  | cancelTimer = new Timer.periodic(const Duration(milliseconds: 1), | 
|  | expectAsync(cancelHandler)); | 
|  | }); | 
|  | } |