| Index: test/mjsunit/es6/debug-promises/async-task-event.js | 
| diff --git a/test/mjsunit/es6/debug-promises/async-task-event.js b/test/mjsunit/es6/debug-promises/async-task-event.js | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..0b0fa1e64f1509154a494fa58fe72839cd90e3df | 
| --- /dev/null | 
| +++ b/test/mjsunit/es6/debug-promises/async-task-event.js | 
| @@ -0,0 +1,63 @@ | 
| +// Copyright 2014 the V8 project authors. All rights reserved. | 
| +// Use of this source code is governed by a BSD-style license that can be | 
| +// found in the LICENSE file. | 
| + | 
| +// Flags: --expose-debug-as debug --allow-natives-syntax | 
| + | 
| +Debug = debug.Debug; | 
| + | 
| +var base_id = -1; | 
| +var exception = null; | 
| +var expected = [ | 
| +  "enqueue #1", | 
| +  "willHandle #1", | 
| +  "then #1", | 
| +  "enqueue #2", | 
| +  "didHandle #1", | 
| +  "willHandle #2", | 
| +  "then #2", | 
| +  "didHandle #2", | 
| +  "enqueue #3", | 
| +  "willHandle #3", | 
| +  "didHandle #3" | 
| +]; | 
| + | 
| +function assertLog(msg) { | 
| +  print(msg); | 
| +  assertTrue(expected.length > 0); | 
| +  assertEquals(expected.shift(), msg); | 
| +  if (!expected.length) { | 
| +    Debug.setListener(null); | 
| +  } | 
| +} | 
| + | 
| +function listener(event, exec_state, event_data, data) { | 
| +  if (event != Debug.DebugEvent.AsyncTaskEvent) return; | 
| +  try { | 
| +    if (base_id < 0) | 
| +      base_id = event_data.id(); | 
| +    var id = event_data.id() - base_id + 1; | 
| +    assertEquals("Promise.resolve", event_data.name()); | 
| +    assertLog(event_data.type() + " #" + id); | 
| +  } catch (e) { | 
| +    print(e + e.stack) | 
| +    exception = e; | 
| +  } | 
| +} | 
| + | 
| +Debug.setListener(listener); | 
| + | 
| +var resolver; | 
| +var p = new Promise(function(resolve, reject) { | 
| +  resolver = resolve; | 
| +}); | 
| +p.then(function() { | 
| +  assertLog("then #1"); | 
| +}).then(function() { | 
| +  assertLog("then #2"); | 
| +}); | 
| +resolver(); | 
| + | 
| +%RunMicrotasks(); | 
| + | 
| +assertNull(exception); | 
|  |