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 = 100; 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); 106
