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| 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 | |
| 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 // Simple debug event handler which just counts the number of break points hit. | |
| 33 var break_point_hit_count; | |
| 34 | |
| 35 function 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. | |
| 42 Debug.setListener(listener); | |
| 43 | |
| 44 // Test functions | |
| 45 function f() {a=1;b=2;}; | |
| 46 function g() {f();} | |
| 47 function h() {} | |
| 48 | |
| 49 // This test sets several break points at the same place and checks that | |
| 50 // several break points at the same place only makes one debug break event | |
| 51 // and that when the last break point is removed no more debug break events | |
| 52 // occours. | |
| 53 break_point_hit_count = 0; | |
| 54 | |
| 55 // Set a breakpoint in f. | |
| 56 bp1 = Debug.setBreakPoint(f); | |
| 57 f(); | |
| 58 assertEquals(1, break_point_hit_count); | |
| 59 | |
| 60 // Set another breakpoint in f at the same place. | |
| 61 bp2 = Debug.setBreakPoint(f); | |
| 62 f(); | |
| 63 assertEquals(2, break_point_hit_count); | |
| 64 | |
| 65 // Remove one of the break points. | |
| 66 Debug.clearBreakPoint(bp1); | |
| 67 f(); | |
| 68 assertEquals(3, break_point_hit_count); | |
| 69 | |
| 70 // Remove the second break point. | |
| 71 Debug.clearBreakPoint(bp2); | |
| 72 f(); | |
| 73 assertEquals(3, break_point_hit_count); | |
| 74 | |
| 75 // Perform the same test using function g (this time removing the break points | |
| 76 // in the another order). | |
| 77 break_point_hit_count = 0; | |
| 78 bp1 = Debug.setBreakPoint(g); | |
| 79 g(); | |
| 80 assertEquals(1, break_point_hit_count); | |
| 81 bp2 = Debug.setBreakPoint(g); | |
| 82 g(); | |
| 83 assertEquals(2, break_point_hit_count); | |
| 84 Debug.clearBreakPoint(bp2); | |
| 85 g(); | |
| 86 assertEquals(3, break_point_hit_count); | |
| 87 Debug.clearBreakPoint(bp1); | |
| 88 g(); | |
| 89 assertEquals(3, break_point_hit_count); | |
| 90 | |
| 91 // Finally test with many break points. | |
| 92 test_count = 10; | |
| 93 bps = new Array(test_count); | |
| 94 break_point_hit_count = 0; | |
| 95 for (var i = 0; i < test_count; i++) { | |
| 96 bps[i] = Debug.setBreakPoint(h); | |
| 97 h(); | |
| 98 } | |
| 99 for (var i = 0; i < test_count; i++) { | |
| 100 h(); | |
| 101 Debug.clearBreakPoint(bps[i]); | |
| 102 } | |
| 103 assertEquals(test_count * 2, break_point_hit_count); | |
| 104 h(); | |
| 105 assertEquals(test_count * 2, break_point_hit_count); | |
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