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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 | |
3 // found in the LICENSE file. | |
4 | |
5 // Flags: --expose-debug-as debug | |
6 | |
7 // Test debug events when we only listen to uncaught exceptions and | |
8 // an exception is thrown in the Promise constructor. | |
9 // We expect an Exception debug event with a promise to be triggered. | |
10 | |
11 Debug = debug.Debug; | |
12 | |
13 var step = 0; | |
14 var exception = null; | |
15 | |
16 function listener(event, exec_state, event_data, data) { | |
17 try { | |
18 if (event == Debug.DebugEvent.Exception) { | |
19 assertEquals(0, step); | |
20 assertEquals("uncaught", event_data.exception().message); | |
21 assertTrue(event_data.promise() instanceof Promise); | |
22 assertTrue(event_data.uncaught()); | |
23 // Assert that the debug event is triggered at the throw site. | |
24 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); | |
25 step++; | |
26 } | |
27 } catch (e) { | |
28 exception = e; | |
29 } | |
30 } | |
31 | |
32 Debug.setBreakOnUncaughtException(); | |
33 Debug.setListener(listener); | |
34 | |
35 var p = new Promise(function(resolve, reject) { | |
36 throw new Error("uncaught"); // event | |
37 }); | |
38 | |
39 assertEquals(1, step); | |
40 assertNull(exception); | |
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