1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description("test that comparison operators work correctly.") 25 26 function makeTest(start, end, expression, relationship, override, invert) { 27 var resultValue = eval(relationship + expression + 0) || !!override; 28 if (invert) 29 resultValue = !resultValue; 30 var expr = start + expression + end; 31 var result = []; 32 function func(content) { var f = new Function(content); f.toString = function(){ return content}; return f; } 33 result.push([new func("return " + expr + ";"), resultValue]); 34 result.push([new func("if (" + expr + ") return true; return false;"), resultValue]); 35 result.push([new func("var k = 0; while (" + expr + ") if (k++) return true; return false;"), resultValue]); 36 result.push([new func("var k = 0; for (; " + expr + "; ) if (k++) return true; return false;"), resultValue]); 37 return result; 38 } 39 function doTest(lhs, rhs, relationship) { 40 var expressionParts = [["(",")"],["(", ") || 1", true],["(", ") && 1"],["(", ") || 1", true],["1 || (",")", true],["1 && (",")"]]; 41 var expressions = []; 42 var tests = []; 43 for (var i = 0; i < expressionParts.length; i++) { 44 var start = expressionParts[i][0] + lhs; 45 var end = String(rhs) + expressionParts[i][1]; 46 tests.push.apply(tests, makeTest(start, end, ">", relationship, expressionParts[i][2])); 47 tests.push.apply(tests, makeTest(start, end, ">=", relationship, expressionParts[i][2])); 48 } 49 for (var i = 0; i < tests.length; i++) { 50 if ((r=tests[i][0]()) == tests[i][1]) 51 testPassed(tests[i][0] + " is " + tests[i][1]); 52 else 53 testFailed(tests[i][0] + " is " + r + " and should be " + tests[i][1] + "."); 54 } 55 } 56 57 var letterA = "a"; 58 var letterB = "b"; 59 var letter0 = "0"; 60 61 var One = 1; 62 var Zero = 0; 63 doTest('"a"', '"b"', -1); 64 doTest('"a"', '"a"', 0); 65 doTest('"b"', '"a"', 1); 66 doTest('letterA', '"b"', -1); 67 doTest('letterA', '"a"', 0); 68 doTest('"b"', '"a"', 1); 69 doTest('letterA', '"b"', -1); 70 doTest('letterA', 'letterA', 0); 71 doTest('"b"', 'letterA', 1); 72 doTest('"a"', '"b"', -1); 73 doTest('"a"', 'letterA', 0); 74 doTest('"b"', 'letterA', 1); 75 76 doTest('"a"', '0', NaN); 77 doTest('0', '"a"', NaN); 78 79 doTest('0', '"0"', 0); 80 doTest('Zero', 'letter0', 0); 81 doTest('0', 'letter0', 0); 82 doTest('Zero', '"0"', 0); 83 doTest('-1', '"0"', -1); 84 doTest('1', '"0"', 1); 85 doTest('0', '"-1"', 1); 86 doTest('0', '"1"', -1); 87 88 doTest('letterA', '0', NaN); 89 doTest('letterA', '"a"', 0); 90 doTest('0', '"a"', NaN); 91 doTest('letterA', 'letterA', 0); 92 doTest('0', 'letterA', NaN); 93 doTest('"a"', 'letterA', 0); 94 doTest('0', 'letterA', NaN); 95 96 97 doTest('0', '1', -1); 98 doTest('0', '0', 0); 99 doTest('1', '0', 1); 100 doTest('Zero', '1', -1); 101 doTest('Zero', '0', 0); 102 doTest('1', 'Zero', 1); 103 doTest('0', 'One', -1); 104 doTest('One', '0', 1); 105 106 shouldBeTrue("0 >= 0"); 107 shouldBeTrue("1 >= 0"); 108 shouldBeTrue("1 >= 1"); 109 shouldBeTrue("1 > 0"); 110 shouldBeFalse("0 >= 1"); 111 shouldBeFalse("1 >= 2"); 112 shouldBeFalse("1 > 1"); 113 shouldBeFalse("1 > 2"); 114 115 shouldBeTrue("if (0 >= 0 || 0) true; else false"); 116 shouldBeTrue("if (1 >= 0 || 0) true; else false"); 117 shouldBeTrue("if (1 >= 1 || 0) true; else false"); 118 shouldBeTrue("if (0 < 1 || 0) true; else false"); 119 shouldBeFalse("if (0 >= 1 || 0) true; else false"); 120 shouldBeFalse("if (1 >= 2 || 0) true; else false"); 121 shouldBeFalse("if (1 < 1 || 0) true; else false"); 122 shouldBeFalse("if (2 < 1 || 0) true; else false"); 123 124 shouldBeTrue("0.5 >= 0"); 125 shouldBeTrue("1.5 >= 0"); 126 shouldBeTrue("1.5 >= 1"); 127 shouldBeTrue("1.5 > 0"); 128 shouldBeFalse("0.5 >= 1"); 129 shouldBeFalse("1.5 >= 2"); 130 shouldBeTrue("1.5 > 1"); 131 shouldBeFalse("1.5 > 2"); 132 133 shouldBeTrue("if (0.5 >= 0 || 0) true; else false"); 134 shouldBeTrue("if (1.5 >= 0 || 0) true; else false"); 135 shouldBeTrue("if (1.5 >= 1 || 0) true; else false"); 136 shouldBeTrue("if (0 < 1.5 || 0) true; else false"); 137 shouldBeFalse("if (0.5 >= 1 || 0) true; else false"); 138 shouldBeFalse("if (1.5 >= 2 || 0) true; else false"); 139 shouldBeTrue("if (1 < 1.5 || 0) true; else false"); 140 shouldBeFalse("if (2 < 1.5 || 0) true; else false"); 141 142 var zero = 0; 143 var one = 1; 144 var two = 2; 145 var p5 = 0.5; 146 var p15 = 1.5; 147 148 149 shouldBeTrue("zero >= zero"); 150 shouldBeTrue("1 >= zero"); 151 shouldBeTrue("1 >= 1"); 152 shouldBeTrue("1 > zero"); 153 shouldBeFalse("zero >= 1"); 154 shouldBeFalse("1 >= 2"); 155 shouldBeFalse("1 > 1"); 156 shouldBeFalse("1 > 2"); 157 158 shouldBeTrue("if (zero >= zero || 0) true; else false"); 159 shouldBeTrue("if (1 >= zero || zero) true; else false"); 160 shouldBeTrue("if (1 >= 1 || zero) true; else false"); 161 shouldBeTrue("if (zero < 1 || zero) true; else false"); 162 shouldBeFalse("if (zero >= 1 || zero) true; else false"); 163 shouldBeFalse("if (1 >= 2 || zero) true; else false"); 164 shouldBeFalse("if (1 < 1 || zero) true; else false"); 165 shouldBeFalse("if (2 < 1 || zero) true; else false"); 166 167 shouldBeTrue("p5 >= 0"); 168 shouldBeTrue("p15 >= 0"); 169 shouldBeTrue("p15 >= 1"); 170 shouldBeTrue("p15 > 0"); 171 shouldBeFalse("p5 >= 1"); 172 shouldBeFalse("p15 >= 2"); 173 shouldBeTrue("p15 > 1"); 174 shouldBeFalse("p15 > 2"); 175 176 shouldBeTrue("if (p5 >= 0 || 0) true; else false"); 177 shouldBeTrue("if (p15 >= 0 || 0) true; else false"); 178 shouldBeTrue("if (p15 >= 1 || 0) true; else false"); 179 shouldBeTrue("if (0 < p15 || 0) true; else false"); 180 shouldBeFalse("if (p5 >= 1 || 0) true; else false"); 181 shouldBeFalse("if (p15 >= 2 || 0) true; else false"); 182 shouldBeTrue("if (1 < p15 || 0) true; else false"); 183 shouldBeFalse("if (2 < p15 || 0) true; else false"); 184 185 186 shouldBeTrue("zero >= zero"); 187 shouldBeTrue("one >= zero"); 188 shouldBeTrue("one >= one"); 189 shouldBeTrue("one > zero"); 190 shouldBeFalse("zero >= one"); 191 shouldBeFalse("one >= two"); 192 shouldBeFalse("one > one"); 193 shouldBeFalse("one > two"); 194 195 shouldBeTrue("if (zero >= zero || 0) true; else false"); 196 shouldBeTrue("if (one >= zero || zero) true; else false"); 197 shouldBeTrue("if (one >= one || zero) true; else false"); 198 shouldBeTrue("if (zero < one || zero) true; else false"); 199 shouldBeFalse("if (zero >= one || zero) true; else false"); 200 shouldBeFalse("if (one >= two || zero) true; else false"); 201 shouldBeFalse("if (one < one || zero) true; else false"); 202 shouldBeFalse("if (two < one || zero) true; else false"); 203 204 shouldBeTrue("p5 >= 0"); 205 shouldBeTrue("p15 >= 0"); 206 shouldBeTrue("p15 >= one"); 207 shouldBeTrue("p15 > 0"); 208 shouldBeFalse("p5 >= one"); 209 shouldBeFalse("p15 >= two"); 210 shouldBeTrue("p15 > one"); 211 shouldBeFalse("p15 > two"); 212 213 shouldBeTrue("if (p5 >= 0 || 0) true; else false"); 214 shouldBeTrue("if (p15 >= 0 || 0) true; else false"); 215 shouldBeTrue("if (p15 >= one || 0) true; else false"); 216 shouldBeTrue("if (0 < p15 || 0) true; else false"); 217 shouldBeFalse("if (p5 >= one || 0) true; else false"); 218 shouldBeFalse("if (p15 >= two || 0) true; else false"); 219 shouldBeTrue("if (one < p15 || 0) true; else false"); 220 shouldBeFalse("if (two < p15 || 0) true; else false"); 221 222 shouldBeFalse(" 0 > NaN"); 223 shouldBeFalse(" NaN > NaN"); 224 shouldBeFalse(" 0 >= NaN"); 225 shouldBeFalse(" NaN >= NaN"); 226 shouldBeFalse(" 0.5 > NaN"); 227 shouldBeFalse(" NaN > NaN"); 228 shouldBeFalse(" 0.5 >= NaN"); 229 shouldBeFalse(" NaN >= NaN"); 230 shouldBeFalse(" zero > NaN"); 231 shouldBeFalse("zero >= NaN"); 232 shouldBeFalse(" NaN >= NaN"); 233 shouldBeFalse(" p5 > NaN"); 234 shouldBeFalse("NaN > NaN"); 235 shouldBeFalse("p5 >= NaN"); 236 shouldBeFalse("NaN >= NaN"); 237 238 239 shouldBeFalse("if ( 0 > NaN) true; else false;"); 240 shouldBeFalse("if ( NaN > NaN) true; else false;"); 241 shouldBeFalse("if ( 0 >= NaN) true; else false;"); 242 shouldBeFalse("if ( NaN >= NaN) true; else false;"); 243 shouldBeFalse("if ( 0.5 > NaN) true; else false;"); 244 shouldBeFalse("if ( NaN > NaN) true; else false;"); 245 shouldBeFalse("if ( 0.5 >= NaN) true; else false;"); 246 shouldBeFalse("if ( NaN >= NaN) true; else false;"); 247 shouldBeFalse("if ( zero > NaN) true; else false;"); 248 shouldBeFalse("if (zero >= NaN) true; else false;"); 249 shouldBeFalse("if ( NaN >= NaN) true; else false;"); 250 shouldBeFalse("if ( p5 > NaN) true; else false;"); 251 shouldBeFalse("if (NaN > NaN) true; else false;"); 252 shouldBeFalse("if (p5 >= NaN) true; else false;"); 253 shouldBeFalse("if (NaN >= NaN) true; else false;"); 254
