Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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++)}; |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 48 | function h(x) {var a=x; return a}; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 89 | Debug.changeBreakPointCondition(bp, 'Math.sin(Math.PI/2) > 1'); |
| 90 | f(); |
| 91 | assertEquals(1, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 92 | Debug.changeBreakPointCondition(bp, '1==1'); |
| 93 | f(); |
| 94 | assertEquals(2, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 102 | x=1; |
| 103 | f(); |
| 104 | assertEquals(1, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 123 | Debug.clearBreakPoint(bp); |
| 124 | |
| 125 | // Conditional breakpoint which checks a local variable. |
| 126 | break_point_hit_count = 0; |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 127 | bp = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 128 | for (var i = 0; i < 10; i++) { |
| 129 | g(); |
| 130 | } |
| 131 | assertEquals(5, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 132 | Debug.clearBreakPoint(bp); |
| 133 | |
| 134 | // Multiple conditional breakpoint which the same condition. |
| 135 | break_point_hit_count = 0; |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 136 | bp1 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); |
| 137 | bp2 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 138 | for (var i = 0; i < 10; i++) { |
| 139 | g(); |
| 140 | } |
| 141 | assertEquals(5, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 142 | Debug.clearBreakPoint(bp1); |
| 143 | Debug.clearBreakPoint(bp2); |
| 144 | |
| 145 | // Multiple conditional breakpoint which different conditions. |
| 146 | break_point_hit_count = 0; |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 147 | bp1 = Debug.setBreakPoint(h, 0, 22, 'a % 2 == 0'); |
| 148 | bp2 = Debug.setBreakPoint(h, 0, 22, '(a + 1) % 2 == 0'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 149 | for (var i = 0; i < 10; i++) { |
| 150 | g(); |
| 151 | } |
| 152 | assertEquals(10, break_point_hit_count); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 153 | Debug.clearBreakPoint(bp1); |
| 154 | Debug.clearBreakPoint(bp2); |