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 count = 0; 46 function f() {}; 47 function g() {h(count++)}; 48 function h(x) {var a=x; return a}; 49 50 51 // Conditional breakpoint which syntax error. 52 break_point_hit_count = 0; 53 bp = Debug.setBreakPoint(f, 0, 0, '{{{'); 54 f(); 55 assertEquals(0, break_point_hit_count); 56 assertEquals(0, Debug.findBreakPoint(bp, false).hit_count()); 57 Debug.clearBreakPoint(bp); 58 59 // Conditional breakpoint which evaluates to false. 60 break_point_hit_count = 0; 61 bp = Debug.setBreakPoint(f, 0, 0, 'false'); 62 f(); 63 assertEquals(0, break_point_hit_count); 64 assertEquals(0, Debug.findBreakPoint(bp, false).hit_count()); 65 Debug.clearBreakPoint(bp); 66 67 // Conditional breakpoint which evaluates to true. 68 break_point_hit_count = 0; 69 bp = Debug.setBreakPoint(f, 0, 0, 'true'); 70 f(); 71 assertEquals(1, break_point_hit_count); 72 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 73 Debug.clearBreakPoint(bp); 74 75 // Conditional breakpoint which different types of quotes. 76 break_point_hit_count = 0; 77 bp = Debug.setBreakPoint(f, 0, 0, '"a" == "a"'); 78 f(); 79 assertEquals(1, break_point_hit_count); 80 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 81 Debug.clearBreakPoint(bp); 82 break_point_hit_count = 0; 83 bp = Debug.setBreakPoint(f, 0, 0, "'a' == 'a'"); 84 f(); 85 assertEquals(1, break_point_hit_count); 86 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 87 Debug.clearBreakPoint(bp); 88 89 // Changing condition. 90 break_point_hit_count = 0; 91 bp = Debug.setBreakPoint(f, 0, 0, '"ab".indexOf("b") > 0'); 92 f(); 93 assertEquals(1, break_point_hit_count); 94 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 95 Debug.changeBreakPointCondition(bp, 'Math.sin(Math.PI/2) > 1'); 96 f(); 97 assertEquals(1, break_point_hit_count); 98 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 99 Debug.changeBreakPointCondition(bp, '1==1'); 100 f(); 101 assertEquals(2, break_point_hit_count); 102 assertEquals(2, Debug.findBreakPoint(bp, false).hit_count()); 103 Debug.clearBreakPoint(bp); 104 105 // Conditional breakpoint which checks global variable. 106 break_point_hit_count = 0; 107 bp = Debug.setBreakPoint(f, 0, 0, 'x==1'); 108 f(); 109 assertEquals(0, break_point_hit_count); 110 assertEquals(0, Debug.findBreakPoint(bp, false).hit_count()); 111 x=1; 112 f(); 113 assertEquals(1, break_point_hit_count); 114 assertEquals(1, Debug.findBreakPoint(bp, false).hit_count()); 115 Debug.clearBreakPoint(bp); 116 117 // Conditional breakpoint which checks global variable. 118 break_point_hit_count = 0; 119 bp = Debug.setBreakPoint(g, 0, 0, 'count % 2 == 0'); 120 for (var i = 0; i < 10; i++) { 121 g(); 122 } 123 assertEquals(5, break_point_hit_count); 124 assertEquals(5, Debug.findBreakPoint(bp, false).hit_count()); 125 Debug.clearBreakPoint(bp); 126 127 // Conditional breakpoint which checks a parameter. 128 break_point_hit_count = 0; 129 bp = Debug.setBreakPoint(h, 0, 0, 'x % 2 == 0'); 130 for (var i = 0; i < 10; i++) { 131 g(); 132 } 133 assertEquals(5, break_point_hit_count); 134 assertEquals(5, Debug.findBreakPoint(bp, false).hit_count()); 135 Debug.clearBreakPoint(bp); 136 137 // Conditional breakpoint which checks a local variable. 138 break_point_hit_count = 0; 139 bp = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); 140 for (var i = 0; i < 10; i++) { 141 g(); 142 } 143 assertEquals(5, break_point_hit_count); 144 assertEquals(5, Debug.findBreakPoint(bp, false).hit_count()); 145 Debug.clearBreakPoint(bp); 146 147 // Multiple conditional breakpoint which the same condition. 148 break_point_hit_count = 0; 149 bp1 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); 150 bp2 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); 151 for (var i = 0; i < 10; i++) { 152 g(); 153 } 154 assertEquals(5, break_point_hit_count); 155 assertEquals(5, Debug.findBreakPoint(bp1, false).hit_count()); 156 assertEquals(5, Debug.findBreakPoint(bp2, false).hit_count()); 157 Debug.clearBreakPoint(bp1); 158 Debug.clearBreakPoint(bp2); 159 160 // Multiple conditional breakpoint which different conditions. 161 break_point_hit_count = 0; 162 bp1 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); 163 bp2 = Debug.setBreakPoint(h, 0, 22, '(a + 1) % 2 == 0'); 164 for (var i = 0; i < 10; i++) { 165 g(); 166 } 167 assertEquals(10, break_point_hit_count); 168 assertEquals(5, Debug.findBreakPoint(bp1, false).hit_count()); 169 assertEquals(5, Debug.findBreakPoint(bp2, false).hit_count()); 170 Debug.clearBreakPoint(bp1); 171 Debug.clearBreakPoint(bp2); 172
