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//
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8//     * Redistributions in binary form must reproduce the above
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15//
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17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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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() {a=1;b=2;};
46
47// This tests enabeling and disabling of break points including the case
48// with several break points in the same location.
49break_point_hit_count = 0;
50
51// Set a breakpoint in f.
52bp1 = Debug.setBreakPoint(f);
53f();
54assertEquals(1, break_point_hit_count);
55
56// Disable the breakpoint.
57Debug.disableBreakPoint(bp1);
58f();
59assertEquals(1, break_point_hit_count);
60
61// Enable the breakpoint.
62Debug.enableBreakPoint(bp1);
63f();
64assertEquals(2, break_point_hit_count);
65
66// Set another breakpoint in f at the same place.
67bp2 = Debug.setBreakPoint(f);
68f();
69assertEquals(3, break_point_hit_count);
70
71// Disable the second breakpoint.
72Debug.disableBreakPoint(bp2);
73f();
74assertEquals(4, break_point_hit_count);
75
76// Disable the first breakpoint.
77Debug.disableBreakPoint(bp1);
78f();
79assertEquals(4, break_point_hit_count);
80
81// Enable both breakpoints.
82Debug.enableBreakPoint(bp1);
83Debug.enableBreakPoint(bp2);
84f();
85assertEquals(5, break_point_hit_count);
86
87// Disable the first breakpoint.
88Debug.disableBreakPoint(bp1);
89f();
90assertEquals(6, break_point_hit_count);
91
92// Deactivate all breakpoints.
93Debug.debuggerFlags().breakPointsActive.setValue(false);
94f();
95assertEquals(6, break_point_hit_count);
96
97// Enable the first breakpoint.
98Debug.enableBreakPoint(bp1);
99f();
100assertEquals(6, break_point_hit_count);
101
102// Activate all breakpoints.
103Debug.debuggerFlags().breakPointsActive.setValue(true);
104f();
105assertEquals(7, break_point_hit_count);
106