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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --expose-debug-as debug | 28 // Flags: --expose-debug-as debug |
29 // Get the Debug object exposed from the debug context global object. | 29 // Get the Debug object exposed from the debug context global object. |
30 Debug = debug.Debug | 30 Debug = debug.Debug |
31 | 31 |
32 // Simple debug event handler which just counts the number of break points hit. | 32 // Simple debug event handler which just counts the number of break points hit. |
33 var break_point_hit_count; | 33 var break_point_hit_count = 0; |
34 | 34 |
35 function listener(event, exec_state, event_data, data) { | 35 function listener(event, exec_state, event_data, data) { |
36 if (event == Debug.DebugEvent.Break) { | 36 if (event == Debug.DebugEvent.Break) { |
37 break_point_hit_count++; | 37 break_point_hit_count++; |
38 } | 38 } |
39 }; | 39 }; |
40 | 40 |
41 // Add the debug event listener. | 41 // Add the debug event listener. |
42 Debug.setListener(listener); | 42 Debug.setListener(listener); |
43 | 43 |
44 // Test function. | 44 eval( |
45 function f() {}; | 45 "var inner;\n" + |
| 46 "function outer() {\n" + // Non-trivial outer closure. |
| 47 " var x = 5;\n" + |
| 48 " function a() {\n" + |
| 49 " var foo = 0, y = 7;\n" + |
| 50 " function b() {\n" + |
| 51 " var bar = 0, baz = 0, z = 11;\n" + |
| 52 " function c() {\n" + |
| 53 " return x + y + z;\n" + // Breakpoint line ( #8 ) |
| 54 " }\n" + |
| 55 " inner = c;\n" + |
| 56 " return c();\n" + |
| 57 " }\n" + |
| 58 " return b();\n" + |
| 59 " }\n" + |
| 60 " return a();\n" + |
| 61 "}" |
| 62 ); |
46 | 63 |
47 // This tests ignore of break points including the case with several | 64 var script = Debug.findScript(outer); |
48 // break points in the same location. | |
49 break_point_hit_count = 0; | |
50 | 65 |
51 // Set a breakpoint in f. | 66 // The debugger triggers compilation of inner closures. |
52 bp1 = Debug.setBreakPoint(f); | 67 assertEquals(0, Debug.scriptBreakPoints().length); |
| 68 var sbp = Debug.setScriptBreakPointById(script.id, 8); |
| 69 assertEquals(1, Debug.scriptBreakPoints().length); |
53 | 70 |
54 // Try ignore count of 1. | 71 // The compiled outer closure should behave correctly. |
55 Debug.changeBreakPointIgnoreCount(bp1, 1); | 72 assertEquals(23, outer()); |
56 f(); | |
57 assertEquals(0, break_point_hit_count); | |
58 f(); | |
59 assertEquals(1, break_point_hit_count); | 73 assertEquals(1, break_point_hit_count); |
60 | 74 |
61 // Set another breakpoint in f at the same place. | 75 // The compiled inner closure should behave correctly. |
62 bp2 = Debug.setBreakPoint(f); | 76 assertEquals(23, inner()); |
63 f(); | |
64 assertEquals(2, break_point_hit_count); | 77 assertEquals(2, break_point_hit_count); |
65 | 78 |
66 // Set different ignore counts. | 79 // Remove script break point. |
67 Debug.changeBreakPointIgnoreCount(bp1, 2); | 80 assertEquals(1, Debug.scriptBreakPoints().length); |
68 Debug.changeBreakPointIgnoreCount(bp2, 4); | 81 Debug.clearBreakPoint(sbp); |
69 f(); | 82 assertEquals(0, Debug.scriptBreakPoints().length); |
70 assertEquals(2, break_point_hit_count); | |
71 f(); | |
72 assertEquals(2, break_point_hit_count); | |
73 f(); | |
74 assertEquals(3, break_point_hit_count); | |
75 f(); | |
76 assertEquals(4, break_point_hit_count); | |
77 | |
78 // Set different ignore counts (opposite). | |
79 Debug.changeBreakPointIgnoreCount(bp1, 4); | |
80 Debug.changeBreakPointIgnoreCount(bp2, 2); | |
81 f(); | |
82 assertEquals(4, break_point_hit_count); | |
83 f(); | |
84 assertEquals(4, break_point_hit_count); | |
85 f(); | |
86 assertEquals(5, break_point_hit_count); | |
87 f(); | |
88 assertEquals(6, break_point_hit_count); | |
89 | |
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