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