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.
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
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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 debug event handler which just counts the number of break points hit.
33var break_point_hit_count;
34
35function listener(event, exec_state, event_data, data) {
36  if (event == Debug.DebugEvent.Break) {
37    break_point_hit_count++;
38  }
39};
40
41// Add the debug event listener.
42Debug.setListener(listener);
43
44// Test function.
45function f() {};
46
47// This tests ignore of break points including the case with several
48// break points in the same location.
49break_point_hit_count = 0;
50
51// Set a breakpoint in f.
52bp1 = Debug.setBreakPoint(f);
53
54// Try ignore count of 1.
55Debug.changeBreakPointIgnoreCount(bp1, 1);
56f();
57assertEquals(0, break_point_hit_count);
58f();
59assertEquals(1, break_point_hit_count);
60
61// Set another breakpoint in f at the same place.
62bp2 = Debug.setBreakPoint(f);
63f();
64assertEquals(2, break_point_hit_count);
65
66// Set different ignore counts.
67Debug.changeBreakPointIgnoreCount(bp1, 2);
68Debug.changeBreakPointIgnoreCount(bp2, 4);
69f();
70assertEquals(2, break_point_hit_count);
71f();
72assertEquals(2, break_point_hit_count);
73f();
74assertEquals(3, break_point_hit_count);
75f();
76assertEquals(4, break_point_hit_count);
77
78// Set different ignore counts (opposite).
79Debug.changeBreakPointIgnoreCount(bp1, 4);
80Debug.changeBreakPointIgnoreCount(bp2, 2);
81f();
82assertEquals(4, break_point_hit_count);
83f();
84assertEquals(4, break_point_hit_count);
85f();
86assertEquals(5, break_point_hit_count);
87f();
88assertEquals(6, break_point_hit_count);
89