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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 a catch handler for the exception thrown in a Promise. | 7 // there is a catch handler for the exception thrown in a 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("throw"); | 22 log.push("throw"); |
24 throw new Error("uncaught"); // event | 23 throw new Error("uncaught"); // event |
25 }); | 24 }); |
26 | 25 |
27 function listener(event, exec_state, event_data, data) { | 26 function listener(event, exec_state, event_data, data) { |
28 if (event == Debug.DebugEvent.AsyncTaskEvent) return; | 27 if (event == Debug.DebugEvent.AsyncTaskEvent) return; |
29 try { | 28 try { |
30 if (event == Debug.DebugEvent.Exception) { | 29 if (event == Debug.DebugEvent.Exception) { |
31 expected_events--; | 30 expected_events--; |
32 assertTrue(expected_events >= 0); | 31 assertTrue(expected_events >= 0); |
33 assertEquals("uncaught", event_data.exception().message); | 32 assertEquals("uncaught", event_data.exception().message); |
34 assertTrue(event_data.promise() instanceof Promise); | |
35 assertSame(q, event_data.promise()); | |
36 assertTrue(event_data.uncaught()); | 33 assertTrue(event_data.uncaught()); |
37 // Assert that the debug event is triggered at the throw site. | 34 // Assert that the debug event is triggered at the throw site. |
38 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); | 35 assertTrue(exec_state.frame(0).sourceLineText().indexOf("// event") > 0); |
39 } | 36 } |
40 } catch (e) { | 37 } catch (e) { |
41 %AbortJS(e + "\n" + e.stack); | 38 %AbortJS(e + "\n" + e.stack); |
42 } | 39 } |
43 } | 40 } |
44 | 41 |
45 Debug.setBreakOnUncaughtException(); | 42 Debug.setBreakOnUncaughtException(); |
(...skipping 12 matching lines...) Expand all Loading... |
58 } | 55 } |
59 } catch (e) { | 56 } catch (e) { |
60 %AbortJS(e + "\n" + e.stack); | 57 %AbortJS(e + "\n" + e.stack); |
61 } | 58 } |
62 } | 59 } |
63 | 60 |
64 %EnqueueMicrotask(checkResult); | 61 %EnqueueMicrotask(checkResult); |
65 } | 62 } |
66 | 63 |
67 testDone(0); | 64 testDone(0); |
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