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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 | |
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 // an exception is thrown in the Promise constructor, but caught in an | 7 // an exception is thrown in the Promise constructor, but caught in an |
9 // inner try-catch. The Promise is rejected afterwards. | 8 // inner try-catch. The Promise is rejected afterwards. |
10 // We expect an Exception debug event with a promise to be triggered. | 9 // We expect an Exception debug event with a promise to be triggered. |
11 | 10 |
12 Debug = debug.Debug; | 11 Debug = debug.Debug; |
13 | 12 |
14 var step = 0; | 13 var step = 0; |
15 var exception = null; | 14 var exception = null; |
16 | 15 |
17 function listener(event, exec_state, event_data, data) { | 16 function listener(event, exec_state, event_data, data) { |
18 try { | 17 try { |
19 if (event == Debug.DebugEvent.Exception) { | 18 if (event == Debug.DebugEvent.Exception) { |
20 assertEquals(0, step); | 19 assertEquals(0, step); |
21 assertEquals("uncaught", event_data.exception().message); | 20 assertEquals("uncaught", event_data.exception().message); |
22 assertTrue(event_data.promise() instanceof Promise); | |
23 assertTrue(event_data.uncaught()); | 21 assertTrue(event_data.uncaught()); |
24 // Assert that the debug event is triggered at the throw site. | 22 // Assert that the debug event is triggered at the throw site. |
25 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); | 23 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); |
26 step++; | 24 step++; |
27 } | 25 } |
28 } catch (e) { | 26 } catch (e) { |
29 exception = e; | 27 exception = e; |
30 } | 28 } |
31 } | 29 } |
32 | 30 |
33 Debug.setBreakOnUncaughtException(); | 31 Debug.setBreakOnUncaughtException(); |
34 Debug.setListener(listener); | 32 Debug.setListener(listener); |
35 | 33 |
36 var p = new Promise(function(resolve, reject) { | 34 var p = new Promise(function(resolve, reject) { |
37 try { // This try-catch must not prevent this uncaught reject event. | 35 try { // This try-catch must not prevent this uncaught reject event. |
38 throw new Error("caught"); | 36 throw new Error("caught"); |
39 } catch (e) { } | 37 } catch (e) { } |
40 reject(new Error("uncaught")); // event | 38 reject(new Error("uncaught")); // event |
41 }); | 39 }); |
42 | 40 |
43 assertEquals(1, step); | 41 assertEquals(1, step); |
44 assertNull(exception); | 42 assertNull(exception); |
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