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 --promise-extra 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.chain( 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); 70
