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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 isolate_unhandled_exception_test2; | 5 library isolate_unhandled_exception_test2; |
6 | 6 |
7 import 'dart:isolate'; | 7 import 'dart:isolate'; |
8 | 8 |
9 // Tests that an isolate's keeps message handling working after | 9 // Tests that an isolate's keeps message handling working after |
10 // throwing an unhandled exception, if there is a top level callback | 10 // throwing an unhandled exception, if there is a top level callback |
11 // method that returns whether to continue handling messages or not. | 11 // method that returns whether to continue handling messages or not. |
12 // This test verifies that a default-named callback function is called | 12 // This test verifies that a default-named callback function is called |
13 // when no callback is specified in Isolate.spawnFunction. | 13 // when no callback is specified in Isolate.spawnFunction. |
14 | 14 |
15 // Note: this test will hang if an uncaught exception isn't handled, | 15 // Note: this test will hang if an uncaught exception isn't handled, |
16 // either by an error in the callback or it returning false. | 16 // either by an error in the callback or it returning false. |
17 | 17 |
18 void entry() { | 18 void entry() { |
19 port.receive((message, replyTo) { | 19 port.receive((message, replyTo) { |
20 if (message == 'throw exception') { | 20 if (message == 'throw exception') { |
21 replyTo.call('throwing exception'); | 21 replyTo.call('throwing exception'); |
22 throw new RuntimeError('ignore this exception'); | 22 throw new UnsupportedError('ignore this exception'); |
23 } | 23 } |
24 replyTo.call('hello'); | 24 replyTo.call('hello'); |
25 port.close(); | 25 port.close(); |
26 }); | 26 }); |
27 } | 27 } |
28 | 28 |
29 bool _unhandledExceptionCallback(IsolateUnhandledException e) { | 29 bool _unhandledExceptionCallback(IsolateUnhandledException e) { |
30 return e.source.message == 'ignore this exception'; | 30 return e.source.message == 'ignore this exception'; |
31 } | 31 } |
32 | 32 |
33 void main() { | 33 void main() { |
34 var isolate_port = spawnFunction(entry); | 34 var isolate_port = spawnFunction(entry); |
35 | 35 |
36 // Send a message that will cause an ignorable exception to be thrown. | 36 // Send a message that will cause an ignorable exception to be thrown. |
37 Future f = isolate_port.call('throw exception'); | 37 Future f = isolate_port.call('throw exception'); |
38 f.onComplete((future) { | 38 f.onComplete((future) { |
39 // Exception wasn't ignored as it was supposed to be. | 39 // Exception wasn't ignored as it was supposed to be. |
40 Expect.equals(null, future.exception); | 40 Expect.equals(null, future.exception); |
41 }); | 41 }); |
42 | 42 |
43 // Verify that isolate can still handle messages. | 43 // Verify that isolate can still handle messages. |
44 isolate_port.call('hi').onComplete((future) { | 44 isolate_port.call('hi').onComplete((future) { |
45 Expect.equals(null, future.exception); | 45 Expect.equals(null, future.exception); |
46 Expect.equals('hello', future.value); | 46 Expect.equals('hello', future.value); |
47 }); | 47 }); |
48 | 48 |
49 } | 49 } |
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