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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library test_utils; | 5 library test_utils; |
6 | 6 |
7 import 'dart:async'; | 7 import 'dart:async'; |
8 | 8 |
9 import 'package:scheduled_test/src/utils.dart'; | 9 import 'package:scheduled_test/src/utils.dart'; |
10 import 'package:scheduled_test/src/mock_clock.dart' as mock_clock; | 10 import 'package:scheduled_test/src/mock_clock.dart' as mock_clock; |
11 | 11 |
12 export 'package:scheduled_test/src/utils.dart'; | 12 export 'package:scheduled_test/src/utils.dart'; |
13 | 13 |
14 /// Wraps [input] to provide a timeout. If [input] completes before | 14 /// Wraps [input] to provide a timeout. If [input] completes before |
15 /// [milliseconds] have passed, then the return value completes in the same way. | 15 /// [milliseconds] have passed, then the return value completes in the same way. |
16 /// However, if [milliseconds] pass before [input] has completed, [onTimeout] is | 16 /// However, if [milliseconds] pass before [input] has completed, [onTimeout] is |
17 /// run and its result is passed to [input] (with chaining, if it returns a | 17 /// run and its result is passed to [input] (with chaining, if it returns a |
18 /// [Future]). | 18 /// [Future]). |
19 /// | 19 /// |
20 /// Note that timing out will not cancel the asynchronous operation behind | 20 /// Note that timing out will not cancel the asynchronous operation behind |
21 /// [input]. | 21 /// [input]. |
22 Future timeout(Future input, int milliseconds, onTimeout()) { | 22 Future timeout(Future input, int milliseconds, onTimeout()) { |
Lasse Reichstein Nielsen
2013/02/28 11:14:48
Not changing "int milliseconds" to "Duration durat
floitsch
2013/02/28 13:24:05
It's not really in my code. But I would like it to
| |
23 bool completed = false; | 23 bool completed = false; |
24 var completer = new Completer(); | 24 var completer = new Completer(); |
25 var timer = new Timer(milliseconds, (_) { | 25 var timer = new Timer(new Duration(milliseconds: milliseconds), () { |
26 completed = true; | 26 completed = true; |
27 chainToCompleter(new Future.immediate(null).then((_) => onTimeout()), | 27 chainToCompleter(new Future.immediate(null).then((_) => onTimeout()), |
28 completer); | 28 completer); |
29 }); | 29 }); |
30 input.then((value) { | 30 input.then((value) { |
31 if (completed) return; | 31 if (completed) return; |
32 timer.cancel(); | 32 timer.cancel(); |
33 completer.complete(value); | 33 completer.complete(value); |
34 }).catchError((e) { | 34 }).catchError((e) { |
35 if (completed) return; | 35 if (completed) return; |
36 timer.cancel(); | 36 timer.cancel(); |
37 completer.completeError(e.error, e.stackTrace); | 37 completer.completeError(e.error, e.stackTrace); |
38 }); | 38 }); |
39 return completer.future; | 39 return completer.future; |
40 } | 40 } |
41 | 41 |
42 /// Returns a [Future] that will complete in [milliseconds]. | 42 /// Returns a [Future] that will complete in [milliseconds]. |
43 Future sleep(int milliseconds) { | 43 Future sleep(int milliseconds) { |
44 var completer = new Completer(); | 44 var completer = new Completer(); |
45 mock_clock.newTimer(new Duration(milliseconds: milliseconds), (_) { | 45 mock_clock.newTimer(new Duration(milliseconds: milliseconds), () { |
46 completer.complete(); | 46 completer.complete(); |
47 }); | 47 }); |
48 return completer.future; | 48 return completer.future; |
49 } | 49 } |
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