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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. | |
30 Debug = debug.Debug | |
31 | |
32 var exception = null; | |
33 | |
34 // Simple debug event handler which counts the number of breaks hit and steps. | |
35 var break_point_hit_count = 0; | |
36 function listener(event, exec_state, event_data, data) { | |
37 try { | |
38 if (event == Debug.DebugEvent.Break) { | |
39 break_point_hit_count++; | |
40 // Continue stepping until returned to bottom frame. | |
41 if (exec_state.frameCount() > 1) { | |
42 exec_state.prepareStep(Debug.StepAction.StepOut); | |
43 } | |
44 | |
45 } | |
46 } catch(e) { | |
47 exception = e; | |
48 } | |
49 | |
50 }; | |
51 | |
52 function BeginTest(name) { | |
53 test_name = name; | |
54 break_point_hit_count = 0; | |
55 exception = null; | |
56 } | |
57 | |
58 function EndTest(expected_break_point_hit_count) { | |
59 assertEquals(expected_break_point_hit_count, break_point_hit_count, test_name)
; | |
60 assertNull(exception, test_name); | |
61 test_name = null; | |
62 } | |
63 | |
64 // Add the debug event listener. | |
65 Debug.setListener(listener); | |
66 | |
67 | |
68 var shouldBreak = null; | |
69 function fact(x) { | |
70 if (shouldBreak(x)) { | |
71 debugger; | |
72 } | |
73 if (x < 2) { | |
74 return 1; | |
75 } else { | |
76 return x*fact(x-1); | |
77 } | |
78 } | |
79 | |
80 BeginTest('Test 1'); | |
81 shouldBreak = function(x) { return x == 3; }; | |
82 fact(3); | |
83 EndTest(2); | |
84 | |
85 BeginTest('Test 2'); | |
86 shouldBreak = function(x) { return x == 2; }; | |
87 fact(3); | |
88 EndTest(3); | |
89 | |
90 BeginTest('Test 3'); | |
91 shouldBreak = function(x) { return x == 1; }; | |
92 fact(3); | |
93 EndTest(4); | |
94 | |
95 BeginTest('Test 4'); | |
96 shouldBreak = function(x) { return x == 1 || x == 3; }; | |
97 fact(3); | |
98 EndTest(5); | |
99 | |
100 // Get rid of the debug event listener. | |
101 Debug.setListener(null); | |
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