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 Debug.setListener(function() {}); 33 34 function f() {a=1;b=2} 35 function g() { 36 a=1; 37 b=2; 38 } 39 40 bp = Debug.setBreakPoint(f, 0, 0); 41 assertEquals("() {[B0]a=1;b=2}", Debug.showBreakPoints(f)); 42 Debug.clearBreakPoint(bp); 43 assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f)); 44 bp1 = Debug.setBreakPoint(f, 0, 8); 45 assertEquals("() {a=1;[B0]b=2}", Debug.showBreakPoints(f)); 46 bp2 = Debug.setBreakPoint(f, 0, 4); 47 assertEquals("() {[B0]a=1;[B1]b=2}", Debug.showBreakPoints(f)); 48 bp3 = Debug.setBreakPoint(f, 0, 11); 49 assertEquals("() {[B0]a=1;[B1]b=2[B2]}", Debug.showBreakPoints(f)); 50 Debug.clearBreakPoint(bp1); 51 assertEquals("() {[B0]a=1;b=2[B1]}", Debug.showBreakPoints(f)); 52 Debug.clearBreakPoint(bp2); 53 assertEquals("() {a=1;b=2[B0]}", Debug.showBreakPoints(f)); 54 Debug.clearBreakPoint(bp3); 55 assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f)); 56 57 // The following test checks that the Debug.showBreakPoints(g) produces output 58 // like follows when changein breakpoints. 59 // 60 // function g() { 61 // [BX]a=1; 62 // [BX]b=2; 63 // }[BX] 64 65 // Test set and clear breakpoint at the first possible location (line 0, 66 // position 0). 67 bp = Debug.setBreakPoint(g, 0, 0); 68 // function g() { 69 // [B0]a=1; 70 // b=2; 71 // } 72 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 73 Debug.clearBreakPoint(bp); 74 // function g() { 75 // a=1; 76 // b=2; 77 // } 78 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0); 79 80 // Second test set and clear breakpoints on lines 1, 2 and 3 (position = 0). 81 bp1 = Debug.setBreakPoint(g, 2, 0); 82 // function g() { 83 // a=1; 84 // [B0]b=2; 85 // } 86 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]b=2;") > 0); 87 bp2 = Debug.setBreakPoint(g, 1, 0); 88 // function g() { 89 // [B0]a=1; 90 // [B1]b=2; 91 // } 92 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 93 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0); 94 bp3 = Debug.setBreakPoint(g, 3, 0); 95 // function g() { 96 // [B0]a=1; 97 // [B1]b=2; 98 // }[B2] 99 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 100 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0); 101 assertTrue(Debug.showBreakPoints(g).indexOf("[B2]}") > 0); 102 Debug.clearBreakPoint(bp1); 103 // function g() { 104 // [B0]a=1; 105 // b=2; 106 // }[B1] 107 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 108 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]}") > 0); 109 assertTrue(Debug.showBreakPoints(g).indexOf("[B2]") < 0); 110 Debug.clearBreakPoint(bp2); 111 // function g() { 112 // a=1; 113 // b=2; 114 // }[B0] 115 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]}") > 0); 116 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]") < 0); 117 Debug.clearBreakPoint(bp3); 118 // function g() { 119 // a=1; 120 // b=2; 121 // } 122 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0); 123 124 125 // Tests for setting break points by script id and position. 126 function setBreakpointByPosition(f, position, opt_position_alignment) 127 { 128 var break_point = Debug.setBreakPointByScriptIdAndPosition( 129 Debug.findScript(f).id, 130 position + Debug.sourcePosition(f), 131 "", 132 true, opt_position_alignment); 133 return break_point.number(); 134 } 135 136 bp = setBreakpointByPosition(f, 0); 137 assertEquals("() {[B0]a=1;b=2}", Debug.showBreakPoints(f)); 138 Debug.clearBreakPoint(bp); 139 assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f)); 140 bp1 = setBreakpointByPosition(f, 8); 141 assertEquals("() {a=1;[B0]b=2}", Debug.showBreakPoints(f)); 142 bp2 = setBreakpointByPosition(f, 4); 143 assertEquals("() {[B0]a=1;[B1]b=2}", Debug.showBreakPoints(f)); 144 bp3 = setBreakpointByPosition(f, 11); 145 assertEquals("() {[B0]a=1;[B1]b=2[B2]}", Debug.showBreakPoints(f)); 146 Debug.clearBreakPoint(bp1); 147 assertEquals("() {[B0]a=1;b=2[B1]}", Debug.showBreakPoints(f)); 148 Debug.clearBreakPoint(bp2); 149 assertEquals("() {a=1;b=2[B0]}", Debug.showBreakPoints(f)); 150 Debug.clearBreakPoint(bp3); 151 assertEquals("() {a=1;b=2}", Debug.showBreakPoints(f)); 152 153 bp = setBreakpointByPosition(g, 0); 154 //function g() { 155 //[B0]a=1; 156 //b=2; 157 //} 158 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 159 Debug.clearBreakPoint(bp); 160 //function g() { 161 //a=1; 162 //b=2; 163 //} 164 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0); 165 166 //Second test set and clear breakpoints on lines 1, 2 and 3 (column = 0). 167 bp1 = setBreakpointByPosition(g, 12); 168 //function g() { 169 //a=1; 170 //[B0]b=2; 171 //} 172 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]b=2;") > 0); 173 bp2 = setBreakpointByPosition(g, 5); 174 //function g() { 175 //[B0]a=1; 176 //[B1]b=2; 177 //} 178 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 179 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0); 180 bp3 = setBreakpointByPosition(g, 19); 181 //function g() { 182 //[B0]a=1; 183 //[B1]b=2; 184 //}[B2] 185 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 186 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]b=2;") > 0); 187 assertTrue(Debug.showBreakPoints(g).indexOf("[B2]}") > 0); 188 Debug.clearBreakPoint(bp1); 189 //function g() { 190 //[B0]a=1; 191 //b=2; 192 //}[B1] 193 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]a=1;") > 0); 194 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]}") > 0); 195 assertTrue(Debug.showBreakPoints(g).indexOf("[B2]") < 0); 196 Debug.clearBreakPoint(bp2); 197 //function g() { 198 //a=1; 199 //b=2; 200 //}[B0] 201 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]}") > 0); 202 assertTrue(Debug.showBreakPoints(g).indexOf("[B1]") < 0); 203 Debug.clearBreakPoint(bp3); 204 //function g() { 205 //a=1; 206 //b=2; 207 //} 208 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]") < 0); 209 210 // Tests for setting break points without statement aligment. 211 // (This may be sensitive to compiler break position map generation). 212 function h() {a=f(f2(1,2),f3())+f3();b=f3();} 213 var scenario = [ 214 [6, "{a=[B0]f("], 215 [7, "{a=f([B0]f2("], 216 [16, "f2(1,2),[B0]f3()"], 217 [22, "+[B0]f3()"] 218 ]; 219 for(var i = 0; i < scenario.length; i++) { 220 bp1 = setBreakpointByPosition(h, scenario[i][0], 221 Debug.BreakPositionAlignment.BreakPosition); 222 assertTrue(Debug.showBreakPoints(h, undefined, 223 Debug.BreakPositionAlignment.BreakPosition).indexOf(scenario[i][1]) > 0); 224 Debug.clearBreakPoint(bp1); 225 } 226