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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 --allow-natives-syntax | |
| 6 | |
| 7 // Test debug events when we listen to all exceptions and | |
| 8 // there is a catch handler for the to-be-rejected Promise. | |
| 9 // We expect a normal Exception debug event to be triggered. | |
| 10 | |
| 11 Debug = debug.Debug; | |
| 12 | |
| 13 var log = []; | |
| 14 var expected_events = 1; | |
| 15 | |
| 16 var p = new Promise(function(resolve, reject) { | |
| 17 log.push("resolve"); | |
| 18 resolve(); | |
| 19 }); | |
| 20 | |
| 21 var q = p.then( | |
| 22 function(value) { | |
| 23 log.push("reject"); | |
| 24 return Promise.reject(new Error("reject")); | |
| 25 }); | |
| 26 | |
| 27 q.catch( | |
| 28 function(e) { | |
| 29 assertEquals("reject", e.message); | |
| 30 }); | |
| 31 | |
| 32 | |
| 33 function listener(event, exec_state, event_data, data) { | |
| 34 try { | |
| 35 if (event == Debug.DebugEvent.Exception) { | |
| 36 expected_events--; | |
| 37 assertTrue(expected_events >= 0); | |
| 38 assertEquals("reject", event_data.exception().message); | |
| 39 assertSame(q, event_data.promise()); | |
| 40 assertFalse(event_data.uncaught()); | |
| 41 } | |
| 42 } catch (e) { | |
| 43 %AbortJS(e + "\n" + e.stack); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 Debug.setBreakOnException(); | |
| 48 Debug.setListener(listener); | |
| 49 | |
| 50 log.push("end main"); | |
| 51 | |
| 52 function testDone(iteration) { | |
| 53 function checkResult() { | |
| 54 try { | |
| 55 assertTrue(iteration < 10); | |
| 56 if (expected_events === 0) { | |
| 57 assertEquals(["resolve", "end main", "reject"], log); | |
| 58 } else { | |
| 59 testDone(iteration + 1); | |
| 60 } | |
| 61 } catch (e) { | |
| 62 %AbortJS(e + "\n" + e.stack); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 %EnqueueMicrotask(checkResult); | |
| 67 } | |
| 68 | |
| 69 testDone(0); | |
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