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
11Debug = debug.Debug;
12
13var log = [];
14var expected_events = 1;
15
16var p = new Promise(function(resolve, reject) {
17  log.push("resolve");
18  resolve();
19});
20
21var q = p.chain(
22  function(value) {
23    log.push("reject");
24    return Promise.reject(new Error("reject"));
25  });
26
27q.catch(
28  function(e) {
29    assertEquals("reject", e.message);
30  });
31
32
33function 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
47Debug.setBreakOnException();
48Debug.setListener(listener);
49
50log.push("end main");
51
52function 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
69testDone(0);
70