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