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 var One = 1; 61 var Zero = 0; 62 doTest('"a"', '"b"', -1); 63 doTest('"a"', '"a"', 0); 64 doTest('"b"', '"a"', 1); 65 doTest('letterA', '"b"', -1); 66 doTest('letterA', '"a"', 0); 67 doTest('"b"', '"a"', 1); 68 doTest('letterA', '"b"', -1); 69 doTest('letterA', 'letterA', 0); 70 doTest('"b"', 'letterA', 1); 71 doTest('"a"', '"b"', -1); 72 doTest('"a"', 'letterA', 0); 73 doTest('"b"', 'letterA', 1); 74 75 doTest('"a"', '0', NaN); 76 doTest('0', '"a"', NaN); 77 doTest('letterA', '0', NaN); 78 doTest('letterA', '"a"', 0); 79 doTest('0', '"a"', NaN); 80 doTest('letterA', 'letterA', 0); 81 doTest('0', 'letterA', NaN); 82 doTest('"a"', 'letterA', 0); 83 doTest('0', 'letterA', NaN); 84 85 86 doTest('0', '"0"', 0); 87 doTest('Zero', 'letter0', 0); 88 doTest('0', 'letter0', 0); 89 doTest('Zero', '"0"', 0); 90 doTest('-1', '"0"', -1); 91 doTest('1', '"0"', 1); 92 doTest('0', '"-1"', 1); 93 doTest('0', '"1"', -1); 94 95 doTest('0', '1', -1); 96 doTest('0', '0', 0); 97 doTest('1', '0', 1); 98 doTest('Zero', '1', -1); 99 doTest('Zero', '0', 0); 100 doTest('1', 'Zero', 1); 101 doTest('0', 'One', -1); 102 doTest('One', '0', 1); 103 104 shouldBeTrue("0 <= 0"); 105 shouldBeTrue("0 <= 1"); 106 shouldBeTrue("1 <= 1"); 107 shouldBeTrue("0 < 1"); 108 shouldBeFalse("1 <= 0"); 109 shouldBeFalse("2 <= 1"); 110 shouldBeFalse("1 < 1"); 111 shouldBeFalse("2 < 1"); 112 113 shouldBeTrue("if (0 <= 0 || 0) true; else false"); 114 shouldBeTrue("if (0 <= 1 || 0) true; else false"); 115 shouldBeTrue("if (1 <= 1 || 0) true; else false"); 116 shouldBeTrue("if (0 < 1 || 0) true; else false"); 117 shouldBeFalse("if (1 <= 0 || 0) true; else false"); 118 shouldBeFalse("if (2 <= 1 || 0) true; else false"); 119 shouldBeFalse("if (1 < 1 || 0) true; else false"); 120 shouldBeFalse("if (2 < 1 || 0) true; else false"); 121 122 shouldBeTrue("0 <= 0.5"); 123 shouldBeTrue("0 <= 1.5"); 124 shouldBeTrue("1 <= 1.5"); 125 shouldBeTrue("0 < 1.5"); 126 shouldBeFalse("1 <= 0.5"); 127 shouldBeFalse("2 <= 1.5"); 128 shouldBeTrue("1 < 1.5"); 129 shouldBeFalse("2 < 1.5"); 130 131 shouldBeTrue("if (0 <= 0.5 || 0) true; else false"); 132 shouldBeTrue("if (0 <= 1.5 || 0) true; else false"); 133 shouldBeTrue("if (1 <= 1.5 || 0) true; else false"); 134 shouldBeTrue("if (0 < 1.5 || 0) true; else false"); 135 shouldBeFalse("if (1 <= 0.5 || 0) true; else false"); 136 shouldBeFalse("if (2 <= 1.5 || 0) true; else false"); 137 shouldBeTrue("if (1 < 1.5 || 0) true; else false"); 138 shouldBeFalse("if (2 < 1.5 || 0) true; else false"); 139 140 var zero = 0; 141 var one = 1; 142 var two = 2; 143 var p5 = 0.5; 144 var p15 = 1.5; 145 146 147 shouldBeTrue("zero <= zero"); 148 shouldBeTrue("zero <= 1"); 149 shouldBeTrue("1 <= 1"); 150 shouldBeTrue("zero < 1"); 151 shouldBeFalse("1 <= zero"); 152 shouldBeFalse("2 <= 1"); 153 shouldBeFalse("1 < 1"); 154 shouldBeFalse("2 < 1"); 155 156 shouldBeTrue("if (zero <= zero || 0) true; else false"); 157 shouldBeTrue("if (zero <= 1 || zero) true; else false"); 158 shouldBeTrue("if (1 <= 1 || zero) true; else false"); 159 shouldBeTrue("if (zero < 1 || zero) true; else false"); 160 shouldBeFalse("if (1 <= zero || zero) true; else false"); 161 shouldBeFalse("if (2 <= 1 || zero) true; else false"); 162 shouldBeFalse("if (1 < 1 || zero) true; else false"); 163 shouldBeFalse("if (2 < 1 || zero) true; else false"); 164 165 shouldBeTrue("0 <= p5"); 166 shouldBeTrue("0 <= p15"); 167 shouldBeTrue("1 <= p15"); 168 shouldBeTrue("0 < p15"); 169 shouldBeFalse("1 <= p5"); 170 shouldBeFalse("2 <= p15"); 171 shouldBeTrue("1 < p15"); 172 shouldBeFalse("2 < p15"); 173 174 shouldBeTrue("if (0 <= p5 || 0) true; else false"); 175 shouldBeTrue("if (0 <= p15 || 0) true; else false"); 176 shouldBeTrue("if (1 <= p15 || 0) true; else false"); 177 shouldBeTrue("if (0 < p15 || 0) true; else false"); 178 shouldBeFalse("if (1 <= p5 || 0) true; else false"); 179 shouldBeFalse("if (2 <= p15 || 0) true; else false"); 180 shouldBeTrue("if (1 < p15 || 0) true; else false"); 181 shouldBeFalse("if (2 < p15 || 0) true; else false"); 182 183 184 shouldBeTrue("zero <= zero"); 185 shouldBeTrue("zero <= one"); 186 shouldBeTrue("one <= one"); 187 shouldBeTrue("zero < one"); 188 shouldBeFalse("one <= zero"); 189 shouldBeFalse("two <= one"); 190 shouldBeFalse("one < one"); 191 shouldBeFalse("two < one"); 192 193 shouldBeTrue("if (zero <= zero || 0) true; else false"); 194 shouldBeTrue("if (zero <= one || zero) true; else false"); 195 shouldBeTrue("if (one <= one || zero) true; else false"); 196 shouldBeTrue("if (zero < one || zero) true; else false"); 197 shouldBeFalse("if (one <= zero || zero) true; else false"); 198 shouldBeFalse("if (two <= one || zero) true; else false"); 199 shouldBeFalse("if (one < one || zero) true; else false"); 200 shouldBeFalse("if (two < one || zero) true; else false"); 201 202 shouldBeTrue("0 <= p5"); 203 shouldBeTrue("0 <= p15"); 204 shouldBeTrue("one <= p15"); 205 shouldBeTrue("0 < p15"); 206 shouldBeFalse("one <= p5"); 207 shouldBeFalse("two <= p15"); 208 shouldBeTrue("one < p15"); 209 shouldBeFalse("two < p15"); 210 211 shouldBeTrue("if (0 <= p5 || 0) true; else false"); 212 shouldBeTrue("if (0 <= p15 || 0) true; else false"); 213 shouldBeTrue("if (one <= p15 || 0) true; else false"); 214 shouldBeTrue("if (0 < p15 || 0) true; else false"); 215 shouldBeFalse("if (one <= p5 || 0) true; else false"); 216 shouldBeFalse("if (two <= p15 || 0) true; else false"); 217 shouldBeTrue("if (one < p15 || 0) true; else false"); 218 shouldBeFalse("if (two < p15 || 0) true; else false"); 219 220 221 shouldBeFalse(" 0 < NaN"); 222 shouldBeFalse(" NaN < NaN"); 223 shouldBeFalse(" 0 <= NaN"); 224 shouldBeFalse(" NaN <= NaN"); 225 shouldBeFalse(" 0.5 < NaN"); 226 shouldBeFalse(" NaN < NaN"); 227 shouldBeFalse(" 0.5 <= NaN"); 228 shouldBeFalse(" NaN <= NaN"); 229 shouldBeFalse(" zero < NaN"); 230 shouldBeFalse("zero <= NaN"); 231 shouldBeFalse(" NaN <= NaN"); 232 shouldBeFalse(" p5 < NaN"); 233 shouldBeFalse("NaN < NaN"); 234 shouldBeFalse("p5 <= NaN"); 235 shouldBeFalse("NaN <= NaN"); 236 237 238 shouldBeFalse("if ( 0 < NaN) true; else false;"); 239 shouldBeFalse("if ( NaN < NaN) true; else false;"); 240 shouldBeFalse("if ( 0 <= NaN) true; else false;"); 241 shouldBeFalse("if ( NaN <= NaN) true; else false;"); 242 shouldBeFalse("if ( 0.5 < NaN) true; else false;"); 243 shouldBeFalse("if ( NaN < NaN) true; else false;"); 244 shouldBeFalse("if ( 0.5 <= NaN) true; else false;"); 245 shouldBeFalse("if ( NaN <= NaN) true; else false;"); 246 shouldBeFalse("if ( zero < NaN) true; else false;"); 247 shouldBeFalse("if (zero <= NaN) true; else false;"); 248 shouldBeFalse("if ( NaN <= NaN) true; else false;"); 249 shouldBeFalse("if ( p5 < NaN) true; else false;"); 250 shouldBeFalse("if (NaN < NaN) true; else false;"); 251 shouldBeFalse("if (p5 <= NaN) true; else false;"); 252 shouldBeFalse("if (NaN <= NaN) true; else false;"); 253
