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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. | 7 // an exception is thrown in the Promise constructor. |
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 step = 0; | 12 var step = 0; |
14 var exception = null; | 13 var exception = null; |
15 | 14 |
16 function listener(event, exec_state, event_data, data) { | 15 function listener(event, exec_state, event_data, data) { |
17 try { | 16 try { |
18 if (event == Debug.DebugEvent.Exception) { | 17 if (event == Debug.DebugEvent.Exception) { |
19 assertEquals(0, step); | 18 assertEquals(0, step); |
20 assertEquals("uncaught", event_data.exception().message); | 19 assertEquals("uncaught", event_data.exception().message); |
21 assertTrue(event_data.promise() instanceof Promise); | |
22 assertTrue(event_data.uncaught()); | 20 assertTrue(event_data.uncaught()); |
23 // Assert that the debug event is triggered at the throw site. | 21 // Assert that the debug event is triggered at the throw site. |
24 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); | 22 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); |
25 step++; | 23 step++; |
26 } | 24 } |
27 } catch (e) { | 25 } catch (e) { |
28 exception = e; | 26 exception = e; |
29 } | 27 } |
30 } | 28 } |
31 | 29 |
32 Debug.setBreakOnUncaughtException(); | 30 Debug.setBreakOnUncaughtException(); |
33 Debug.setListener(listener); | 31 Debug.setListener(listener); |
34 | 32 |
35 var p = new Promise(function(resolve, reject) { | 33 var p = new Promise(function(resolve, reject) { |
36 throw new Error("uncaught"); // event | 34 throw new Error("uncaught"); // event |
37 }); | 35 }); |
38 | 36 |
39 assertEquals(1, step); | 37 assertEquals(1, step); |
40 assertNull(exception); | 38 assertNull(exception); |
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