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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 multiple_timer_test; | 5 library multiple_timer_test; |
6 | 6 |
7 import 'dart:isolate'; | 7 import 'dart:isolate'; |
8 import 'dart:async'; | 8 import 'dart:async'; |
9 import '../../../pkg/unittest/lib/unittest.dart'; | 9 import '../../../pkg/unittest/lib/unittest.dart'; |
10 | 10 |
11 const Duration TIMEOUT = const Duration(milliseconds: 100); | 11 const Duration TIMEOUT = const Duration(milliseconds: 100); |
12 | 12 |
13 // Some browsers (Firefox and IE so far) can trigger too early. Add a safety | 13 // Some browsers (Firefox and IE so far) can trigger too early. Add a safety |
14 // margin. We use identical(1, 1.0) as an easy way to know if the test is | 14 // margin. We use identical(1, 1.0) as an easy way to know if the test is |
15 // compiled by dart2js. | 15 // compiled by dart2js. |
16 int get safetyMargin => identical(1, 1.0) ? 100 : 0; | 16 int get safetyMargin => identical(1, 1.0) ? 100 : 1; |
17 | 17 |
18 createTimer(replyTo) { | 18 createTimer(replyTo) { |
19 new Timer(TIMEOUT, () { | 19 new Timer(TIMEOUT, () { |
20 replyTo.send("timer_fired"); | 20 replyTo.send("timer_fired"); |
21 }); | 21 }); |
22 } | 22 } |
23 | 23 |
24 main() { | 24 main() { |
25 test("timer in isolate", () { | 25 test("timer in isolate", () { |
26 int startTime; | 26 int startTime; |
27 int endTime; | 27 int endTime; |
28 | 28 |
29 ReceivePort port = new ReceivePort(); | 29 ReceivePort port = new ReceivePort(); |
30 | 30 |
31 port.first.then(expectAsync1((msg) { | 31 port.first.then(expectAsync1((msg) { |
32 expect("timer_fired", msg); | 32 expect("timer_fired", msg); |
33 int endTime = (new DateTime.now()).millisecondsSinceEpoch; | 33 int endTime = (new DateTime.now()).millisecondsSinceEpoch; |
34 expect(endTime - startTime + safetyMargin, greaterThanOrEqualTo(TIMEOUT.in
Milliseconds)); | 34 expect(endTime - startTime + safetyMargin, greaterThanOrEqualTo(TIMEOUT.in
Milliseconds)); |
35 })); | 35 })); |
36 | 36 |
37 startTime = (new DateTime.now()).millisecondsSinceEpoch; | 37 startTime = (new DateTime.now()).millisecondsSinceEpoch; |
38 var remote = Isolate.spawn(createTimer, port.sendPort); | 38 var remote = Isolate.spawn(createTimer, port.sendPort); |
39 }); | 39 }); |
40 } | 40 } |
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