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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 |
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. |
11 // 2) when the custom reject closure in MyPromise throws an exception. | 11 // 2) when the custom reject closure in MyPromise throws an exception. |
12 | 12 |
13 Debug = debug.Debug; | 13 Debug = debug.Debug; |
14 | 14 |
15 var expected_events = 1; | 15 var expected_events = 1; |
(...skipping 11 matching lines...) Expand all Loading... |
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 MyPromise.__proto__ = Promise; |
35 p.constructor = MyPromise; | 35 p.constructor = MyPromise; |
36 | 36 |
37 var q = p.chain( | 37 var q = p.then( |
38 function() { | 38 function() { |
39 log.push("throw caught"); | 39 log.push("throw caught"); |
40 throw new Error("caught"); // event | 40 throw new Error("caught"); // event |
41 }); | 41 }); |
42 | 42 |
43 function listener(event, exec_state, event_data, data) { | 43 function listener(event, exec_state, event_data, data) { |
44 try { | 44 try { |
45 if (event == Debug.DebugEvent.Exception) { | 45 if (event == Debug.DebugEvent.Exception) { |
46 expected_events--; | 46 expected_events--; |
47 assertTrue(expected_events >= 0); | 47 assertTrue(expected_events >= 0); |
(...skipping 29 matching lines...) Expand all Loading... |
77 } | 77 } |
78 } catch (e) { | 78 } catch (e) { |
79 %AbortJS(e + "\n" + e.stack); | 79 %AbortJS(e + "\n" + e.stack); |
80 } | 80 } |
81 } | 81 } |
82 | 82 |
83 %EnqueueMicrotask(checkResult); | 83 %EnqueueMicrotask(checkResult); |
84 } | 84 } |
85 | 85 |
86 testDone(0); | 86 testDone(0); |
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