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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 | |
6 | 5 |
7 // Test debug events when we only listen to uncaught exceptions and | 6 // Test debug events when we only listen to uncaught exceptions and |
8 // there is no catch handler for the to-be-rejected Promise. | 7 // there is no catch handler for the to-be-rejected Promise. |
9 // We expect an Exception debug event with a promise to be triggered. | 8 // We expect an Exception debug event with a promise to be triggered. |
10 | 9 |
11 Debug = debug.Debug; | 10 Debug = debug.Debug; |
12 | 11 |
13 var expected_events = 1; | 12 var expected_events = 1; |
14 var log = []; | 13 var log = []; |
15 | 14 |
16 var p = new Promise(function(resolve, reject) { | 15 var p = new Promise(function(resolve, reject) { |
17 log.push("resolve"); | 16 log.push("resolve"); |
18 resolve(); | 17 resolve(); |
19 }); | 18 }); |
20 | 19 |
21 var q = p.then( | 20 var q = p.then( |
22 function() { | 21 function() { |
23 log.push("reject"); | 22 log.push("reject"); |
24 return Promise.reject(Error("uncaught reject")); // event | 23 return Promise.reject(Error("uncaught reject")); // event |
25 }); | 24 }); |
26 | 25 |
27 function listener(event, exec_state, event_data, data) { | 26 function listener(event, exec_state, event_data, data) { |
28 try { | 27 try { |
29 if (event == Debug.DebugEvent.Exception) { | 28 if (event == Debug.DebugEvent.Exception) { |
30 expected_events--; | 29 expected_events--; |
31 assertTrue(expected_events >= 0); | 30 assertTrue(expected_events >= 0); |
32 assertEquals("uncaught reject", event_data.exception().message); | 31 assertEquals("uncaught reject", event_data.exception().message); |
33 assertTrue(event_data.promise() instanceof Promise); | |
34 assertSame(q, event_data.promise()); | |
35 assertTrue(event_data.uncaught()); | 32 assertTrue(event_data.uncaught()); |
36 // The JavaScript frame is from the Promise rejection | 33 // The JavaScript frame is from the Promise rejection |
37 assertTrue(/Promise\.reject/.test(event_data.sourceLineText())); | 34 assertTrue(/Promise\.reject/.test(event_data.sourceLineText())); |
38 } | 35 } |
39 } catch (e) { | 36 } catch (e) { |
40 %AbortJS(e + "\n" + e.stack); | 37 %AbortJS(e + "\n" + e.stack); |
41 } | 38 } |
42 } | 39 } |
43 | 40 |
44 Debug.setBreakOnUncaughtException(); | 41 Debug.setBreakOnUncaughtException(); |
(...skipping 12 matching lines...) Expand all Loading... |
57 } | 54 } |
58 } catch (e) { | 55 } catch (e) { |
59 %AbortJS(e + "\n" + e.stack); | 56 %AbortJS(e + "\n" + e.stack); |
60 } | 57 } |
61 } | 58 } |
62 | 59 |
63 %EnqueueMicrotask(checkResult); | 60 %EnqueueMicrotask(checkResult); |
64 } | 61 } |
65 | 62 |
66 testDone(0); | 63 testDone(0); |
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