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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --expose-debug-as debug --allow-natives-syntax --promise-extra | 5 // Flags: --expose-debug-as debug --allow-natives-syntax --promise-extra |
6 | 6 |
7 // Test debug events when an exception is thrown inside a Promise, which is | 7 // Test debug events when an exception is thrown inside a Promise, which is |
8 // caught by a custom promise, which has no reject handler. | 8 // caught by a custom promise, which has no reject handler. |
9 // We expect two Exception debug events: | 9 // We expect two Exception debug events: |
10 // 1) when the exception is thrown in the promise q. | 10 // 1) when the exception is thrown in the promise q. |
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21 }); | 21 }); |
22 | 22 |
23 function MyPromise(resolver) { | 23 function MyPromise(resolver) { |
24 var reject = undefined; | 24 var reject = undefined; |
25 var resolve = function() { }; | 25 var resolve = function() { }; |
26 log.push("construct"); | 26 log.push("construct"); |
27 resolver(resolve, reject); | 27 resolver(resolve, reject); |
28 }; | 28 }; |
29 | 29 |
30 MyPromise.prototype = new Promise(function() {}); | 30 MyPromise.prototype = new Promise(function() {}); |
| 31 MyPromise.__proto__ = Promise; |
31 p.constructor = MyPromise; | 32 p.constructor = MyPromise; |
32 | 33 |
33 var q = p.chain( | 34 var q = p.chain( |
34 function() { | 35 function() { |
35 log.push("throw caught"); | 36 log.push("throw caught"); |
36 throw new Error("caught"); // event | 37 throw new Error("caught"); // event |
37 }); | 38 }); |
38 | 39 |
39 function listener(event, exec_state, event_data, data) { | 40 function listener(event, exec_state, event_data, data) { |
40 try { | 41 try { |
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76 } | 77 } |
77 } catch (e) { | 78 } catch (e) { |
78 %AbortJS(e + "\n" + e.stack); | 79 %AbortJS(e + "\n" + e.stack); |
79 } | 80 } |
80 } | 81 } |
81 | 82 |
82 %EnqueueMicrotask(checkResult); | 83 %EnqueueMicrotask(checkResult); |
83 } | 84 } |
84 | 85 |
85 testDone(0); | 86 testDone(0); |
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