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Side by Side Diff: runtime/tests/vm/dart/isolate_unhandled_exception_test2.dart

Issue 16154017: Rename RuntimeError to CyclicIntializationError, as per spec. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Fix bad merge in js_helper.dart Created 7 years, 6 months ago
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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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