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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 throws a new exception in its reject | 8 // caught by a custom promise, which throws a new exception in its reject |
9 // handler. We expect two Exception debug events: | 9 // handler. 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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24 var reject = function() { | 24 var reject = function() { |
25 log.push("throw in reject"); | 25 log.push("throw in reject"); |
26 throw new Error("reject"); // event | 26 throw new Error("reject"); // event |
27 }; | 27 }; |
28 var resolve = function() { }; | 28 var resolve = function() { }; |
29 log.push("construct"); | 29 log.push("construct"); |
30 resolver(resolve, reject); | 30 resolver(resolve, reject); |
31 }; | 31 }; |
32 | 32 |
33 MyPromise.prototype = new Promise(function() {}); | 33 MyPromise.prototype = new Promise(function() {}); |
| 34 MyPromise.__proto__ = Promise; |
34 p.constructor = MyPromise; | 35 p.constructor = MyPromise; |
35 | 36 |
36 var q = p.chain( | 37 var q = p.chain( |
37 function() { | 38 function() { |
38 log.push("throw caught"); | 39 log.push("throw caught"); |
39 throw new Error("caught"); // event | 40 throw new Error("caught"); // event |
40 }); | 41 }); |
41 | 42 |
42 function listener(event, exec_state, event_data, data) { | 43 function listener(event, exec_state, event_data, data) { |
43 try { | 44 try { |
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78 } | 79 } |
79 } catch (e) { | 80 } catch (e) { |
80 %AbortJS(e + "\n" + e.stack); | 81 %AbortJS(e + "\n" + e.stack); |
81 } | 82 } |
82 } | 83 } |
83 | 84 |
84 %EnqueueMicrotask(checkResult); | 85 %EnqueueMicrotask(checkResult); |
85 } | 86 } |
86 | 87 |
87 testDone(0); | 88 testDone(0); |
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