1// Copyright 2009 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
32var exception = null;
33var break_break_point_hit_count = 0;
34
35function listener(event, exec_state, event_data, data) {
36  try {
37    if (event == Debug.DebugEvent.Break) {
38      if (break_break_point_hit_count == 0) {
39        assertEquals('    debugger;',
40                     event_data.sourceLineText());
41        assertEquals('runDoWhile', event_data.func().name());
42      } else if (break_break_point_hit_count == 1) {
43        assertEquals('  } while(condition());',
44                     event_data.sourceLineText());
45        assertEquals('runDoWhile', event_data.func().name());
46      }
47
48      break_break_point_hit_count++;
49      // Continue stepping until returned to bottom frame.
50      if (exec_state.frameCount() > 1) {
51        exec_state.prepareStep(Debug.StepAction.StepNext);
52      }
53
54    }
55  } catch(e) {
56    exception = e;
57  }
58};
59
60// Add the debug event listener.
61Debug.setListener(listener);
62
63function condition() {
64  return false;
65}
66
67function runDoWhile() {
68  do {
69    debugger;
70  } while(condition());
71};
72
73break_break_point_hit_count = 0;
74runDoWhile();
75assertNull(exception);
76assertEquals(4, break_break_point_hit_count);
77
78// Get rid of the debug event listener.
79Debug.setListener(null);
80