1// Copyright 2008 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug
29// Get the Debug object exposed from the debug context global object.
30Debug = debug.Debug
31
32listenerComplete = false;
33exception = false;
34
35function checkArguments(frame, names, values) {
36  var argc = Math.max(names.length, values.length);
37  assertEquals(argc, frame.argumentCount());
38  for (var i = 0; i < argc; i++) {
39    if (i < names.length) {
40      assertEquals(names[i], frame.argumentName(i));
41    } else {
42      assertEquals(void 0, frame.argumentName(i));
43    }
44
45    if (i < values.length) {
46      assertEquals(values[i], frame.argumentValue(i).value());
47    } else {
48      assertEquals(void 0, frame.argumentValue(i).value());
49    }
50  }
51}
52
53function listener(event, exec_state, event_data, data) {
54  try {
55    if (event == Debug.DebugEvent.Break)
56    {
57      // Frame 0 - called with less parameters than arguments.
58      checkArguments(exec_state.frame(0), ['x', 'y'], [1]);
59
60      // Frame 1 - called with more parameters than arguments.
61      checkArguments(exec_state.frame(1), ['x', 'y'], [1, 2, 3]);
62
63      // Frame 2 - called with same number of parameters than arguments.
64      checkArguments(exec_state.frame(2), ['x', 'y', 'z'], [1, 2, 3]);
65
66      // Indicate that all was processed.
67      listenerComplete = true;
68    }
69  } catch (e) {
70    exception = e
71  };
72};
73
74// Add the debug event listener.
75Debug.setListener(listener);
76
77function h(x, y) {
78  debugger;  // Breakpoint.
79};
80
81function g(x, y) {
82  h(x);
83};
84
85function f(x, y, z) {
86  g.apply(null, [x, y, z]);
87};
88
89f(1, 2, 3);
90
91// Make sure that the debug event listener vas invoked.
92assertTrue(listenerComplete);
93assertFalse(exception, "exception in listener")
94