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 exception thrown in a Promise.
9// We expect a normal Exception debug event to be triggered.
10
11Debug = debug.Debug;
12
13var expected_events = 1;
14var log = [];
15
16var p = new Promise(function(resolve, reject) {
17  log.push("resolve");
18  resolve();
19});
20
21var q = p.chain(
22  function() {
23    log.push("throw");
24    throw new Error("caught");
25  });
26
27q.catch(
28  function(e) {
29    assertEquals("caught", e.message);
30  });
31
32function listener(event, exec_state, event_data, data) {
33  try {
34    if (event == Debug.DebugEvent.Exception) {
35      expected_events--;
36      assertTrue(expected_events >= 0);
37      assertEquals("caught", event_data.exception().message);
38      assertSame(q, event_data.promise());
39      assertFalse(event_data.uncaught());
40    }
41  } catch (e) {
42    %AbortJS(e + "\n" + e.stack);
43  }
44}
45
46Debug.setBreakOnException();
47Debug.setListener(listener);
48
49log.push("end main");
50
51function testDone(iteration) {
52  function checkResult() {
53    try {
54      assertTrue(iteration < 10);
55      if (expected_events === 0) {
56        assertEquals(["resolve", "end main", "throw"], log);
57      } else {
58        testDone(iteration + 1);
59      }
60    } catch (e) {
61      %AbortJS(e + "\n" + e.stack);
62    }
63  }
64
65  // Run testDone through the Object.observe processing loop.
66  var dummy = {};
67  Object.observe(dummy, checkResult);
68  dummy.dummy = dummy;
69}
70
71testDone(0);
72