Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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;"); |