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
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11//       with the distribution.
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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
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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
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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
32// Simple function which collects a simple call graph.
33var call_graph = "";
34function listener(event, exec_state, event_data, data) {
35  if (event == Debug.DebugEvent.Break)
36  {
37    call_graph += exec_state.frame().func().name();
38    exec_state.prepareStep();
39  }
40};
41
42// Add the debug event listener.
43Debug.setListener(listener);
44
45// Test debug event for constructor.
46function a() {
47  new c();
48}
49
50function b() {
51  x = 1;
52  new c();
53}
54
55function c() {
56  this.x = 1;
57  d();
58}
59
60function d() {
61}
62
63// Break point stops on "new c()" and steps into c.
64Debug.setBreakPoint(a, 1);
65call_graph = "";
66a();
67Debug.clearStepping();  // Clear stepping as the listener leaves it on.
68assertEquals("accdca", call_graph);
69
70// Break point stops on "x = 1" and steps to "new c()" and then into c.
71Debug.setBreakPoint(b, 1);
72call_graph = "";
73b();
74Debug.clearStepping();  // Clear stepping as the listener leaves it on.
75assertEquals("bbccdcb", call_graph);
76
77// Get rid of the debug event listener.
78Debug.setListener(null);