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
11Debug = debug.Debug;
12
13var step = 0;
14var exception = null;
15
16function 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
32Debug.setBreakOnUncaughtException();
33Debug.setListener(listener);
34
35var p = new Promise(function(resolve, reject) {
36  throw new Error("uncaught");  // event
37});
38
39assertEquals(1, step);
40assertNull(exception);
41