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( 25 26 "This test checks the behavior of the Math object as described in 15.8 of the language specification." 27 28 ); 29 30 shouldBe("Math.abs(NaN)", "NaN"); 31 shouldBe("Math.abs(0)", "0"); 32 shouldBe("Math.abs(-0)", "0"); 33 shouldBe("Math.abs(1)", "1"); 34 shouldBe("Math.abs(-1)", "1"); 35 shouldBe("Math.abs(Number.MIN_VALUE)", "Number.MIN_VALUE"); 36 shouldBe("Math.abs(-Number.MIN_VALUE)", "Number.MIN_VALUE"); 37 shouldBe("Math.abs(Number.MAX_VALUE)", "Number.MAX_VALUE"); 38 shouldBe("Math.abs(-Number.MAX_VALUE)", "Number.MAX_VALUE"); 39 shouldBe("Math.abs(Infinity)", "Infinity"); 40 shouldBe("Math.abs(-Infinity)", "Infinity"); 41 42 shouldBe("Math.acos(NaN)", "NaN"); 43 shouldBe("Math.acos(-0)", "Math.acos(0)"); 44 shouldBe("Math.acos(1)", "0"); 45 shouldBe("Math.acos(1.1)", "NaN"); 46 shouldBe("Math.acos(-1.1)", "NaN"); 47 shouldBe("Math.acos(Infinity)", "NaN"); 48 shouldBe("Math.acos(-Infinity)", "NaN"); 49 50 shouldBe("Math.asin(NaN)", "NaN"); 51 shouldBe("Math.asin(0)", "0"); 52 shouldBe("Math.asin(-0)", "-0"); 53 shouldBe("Math.asin(1)", "-Math.asin(-1)"); 54 shouldBe("Math.asin(1.1)", "NaN"); 55 shouldBe("Math.asin(-1.1)", "NaN"); 56 shouldBe("Math.asin(Infinity)", "NaN"); 57 shouldBe("Math.asin(-Infinity)", "NaN"); 58 59 shouldBe("Math.atan(NaN)", "NaN"); 60 shouldBe("Math.atan(0)", "0"); 61 shouldBe("Math.atan(-0)", "-0"); 62 shouldBe("Math.atan(Infinity)", "-Math.atan(-Infinity)"); 63 64 shouldBe("Math.atan2(NaN, NaN)", "NaN"); 65 shouldBe("Math.atan2(NaN, 0)", "NaN"); 66 shouldBe("Math.atan2(NaN, -0)", "NaN"); 67 shouldBe("Math.atan2(NaN, 1)", "NaN"); 68 shouldBe("Math.atan2(NaN, Infinity)", "NaN"); 69 shouldBe("Math.atan2(NaN, -Infinity)", "NaN"); 70 shouldBe("Math.atan2(0, NaN)", "NaN"); 71 shouldBe("Math.atan2(-0, NaN)", "NaN"); 72 shouldBe("Math.atan2(1, NaN)", "NaN"); 73 shouldBe("Math.atan2(Infinity, NaN)", "NaN"); 74 shouldBe("Math.atan2(-Infinity, NaN)", "NaN"); 75 76 // Regression test for Bug 26978 (https://bugs.webkit.org/show_bug.cgi?id=26978) 77 var testStr = ""; 78 var v = { valueOf: function() { testStr += "one"; return 1; } }; 79 var w = { valueOf: function() { testStr += "two"; return 2; } }; 80 Math.atan2(v, w); 81 shouldBe('testStr', '\"onetwo\"'); 82 83 /* 84 Ify>0andxis+0, theresult isanimplementation-dependent approximationto +/2. 85 Ify>0andxis0, theresult isanimplementation-dependent approximationto +/2. 86 Ifyis+0andx>0, theresult is+0. 87 Ifyis+0andxis+0, theresult is+0. 88 Ifyis+0andxis0, theresult isanimplementation-dependent approximationto +. 89 Ifyis+0andx<0, theresult isanimplementation-dependent approximationto +. 90 Ifyis0andx>0, theresult is0. 91 Ifyis0andxis+0, theresult is0. 92 Ifyis0andxis0, theresult isanimplementation-dependent approximationto . 93 Ifyis0andx<0, theresult isanimplementation-dependent approximationto . 94 Ify<0andxis+0, theresult isanimplementation-dependent approximationto /2. 95 Ify<0andxis0, theresult isanimplementation-dependent approximationto /2. 96 Ify>0andyisfiniteandxis+, theresult is+0. 97 Ify>0andyisfiniteandxis, theresult ifanimplementation-dependent approximationto +. 98 Ify<0andyisfiniteandxis+, theresult is0. 99 Ify<0andyisfiniteandxis, theresult isanimplementation-dependent approximationto. 100 Ifyis+andxisfinite, theresult isanimplementation-dependent approximationto +/2. 101 Ifyisandxisfinite, theresult isanimplementation-dependent approximationto /2. 102 Ifyis+andxis+, theresult isanimplementation-dependent approximationto +/4. 103 Ifyis+andxis, theresult isanimplementation-dependent approximationto +3/4. 104 Ifyisandxis+, theresult isanimplementation-dependent approximationto /4. 105 Ifyisandxis, theresult isanimplementation-dependent approximationto 3/4. 106 */ 107 108 shouldBe("Math.ceil(NaN)", "NaN"); 109 shouldBe("Math.ceil(0)", "0"); 110 shouldBe("Math.ceil(-0)", "-0"); 111 shouldBe("Math.ceil(-0.5)", "-0"); 112 shouldBe("Math.ceil(1)", "1"); 113 shouldBe("Math.ceil(-1)", "-1"); 114 shouldBe("Math.ceil(1.1)", "2"); 115 shouldBe("Math.ceil(-1.1)", "-1"); 116 shouldBe("Math.ceil(Number.MIN_VALUE)", "1"); 117 shouldBe("Math.ceil(-Number.MIN_VALUE)", "-0"); 118 shouldBe("Math.ceil(Number.MAX_VALUE)", "Number.MAX_VALUE"); 119 shouldBe("Math.ceil(-Number.MAX_VALUE)", "-Number.MAX_VALUE"); 120 shouldBe("Math.ceil(Infinity)", "Infinity"); 121 shouldBe("Math.ceil(-Infinity)", "-Infinity"); 122 123 shouldBe("Math.cos(NaN)", "NaN"); 124 shouldBe("Math.cos(0)", "1"); 125 shouldBe("Math.cos(-0)", "1"); 126 shouldBe("Math.cos(Infinity)", "NaN"); 127 shouldBe("Math.cos(-Infinity)", "NaN"); 128 129 shouldBe("Math.exp(NaN)", "NaN"); 130 shouldBe("Math.exp(0)", "1"); 131 shouldBe("Math.exp(-0)", "1"); 132 shouldBe("Math.exp(Infinity)", "Infinity"); 133 shouldBe("Math.exp(-Infinity)", "0"); 134 135 shouldBe("Math.floor(NaN)", "NaN"); 136 shouldBe("Math.floor(0)", "0"); 137 shouldBe("Math.floor(-0)", "-0"); 138 shouldBe("Math.floor(0.5)", "0"); 139 shouldBe("Math.floor(1)", "1"); 140 shouldBe("Math.floor(-1)", "-1"); 141 shouldBe("Math.floor(1.1)", "1"); 142 shouldBe("Math.floor(-1.1)", "-2"); 143 shouldBe("Math.floor(Number.MIN_VALUE)", "0"); 144 shouldBe("Math.floor(-Number.MIN_VALUE)", "-1"); 145 shouldBe("Math.floor(Number.MAX_VALUE)", "Number.MAX_VALUE"); 146 shouldBe("Math.floor(-Number.MAX_VALUE)", "-Number.MAX_VALUE"); 147 shouldBe("Math.floor(Infinity)", "Infinity"); 148 shouldBe("Math.floor(-Infinity)", "-Infinity"); 149 150 shouldBe("Math.log(NaN)", "NaN"); 151 shouldBe("Math.log(0)", "-Infinity"); 152 shouldBe("Math.log(-0)", "-Infinity"); 153 shouldBe("Math.log(1)", "0"); 154 shouldBe("Math.log(-1)", "NaN"); 155 shouldBe("Math.log(-1.1)", "NaN"); 156 shouldBe("Math.log(Infinity)", "Infinity"); 157 shouldBe("Math.log(-Infinity)", "NaN"); 158 159 shouldBe("Math.max()", "-Infinity"); 160 shouldBe("Math.max(NaN)", "NaN"); 161 shouldBe("Math.max(NaN,1)", "NaN"); 162 shouldBe("Math.max(0)", "0"); 163 shouldBe("Math.max(-0)", "-0"); 164 shouldBe("Math.max(-0, 0)", "0"); 165 166 shouldBe("Math.min()", "Infinity"); 167 shouldBe("Math.min(NaN)", "NaN"); 168 shouldBe("Math.min(NaN,1)", "NaN"); 169 shouldBe("Math.min(0)", "0"); 170 shouldBe("Math.min(-0)", "-0"); 171 shouldBe("Math.min(-0, 0)", "-0"); 172 173 shouldBe("Math.pow(NaN, NaN)", "NaN"); 174 shouldBe("Math.pow(NaN, 0)", "1"); 175 shouldBe("Math.pow(NaN, -0)", "1"); 176 shouldBe("Math.pow(NaN, 1)", "NaN"); 177 shouldBe("Math.pow(NaN, Infinity)", "NaN"); 178 shouldBe("Math.pow(NaN, -Infinity)", "NaN"); 179 shouldBe("Math.pow(0, NaN)", "NaN"); 180 shouldBe("Math.pow(-0, NaN)", "NaN"); 181 shouldBe("Math.pow(1, NaN)", "NaN"); 182 shouldBe("Math.pow(Infinity, NaN)", "NaN"); 183 shouldBe("Math.pow(-Infinity, NaN)", "NaN"); 184 185 /* 186 Ifabs(x)>1andyis+, theresult is+. 187 Ifabs(x)>1andyis, theresult is+0. 188 Ifabs(x)==1andyis+, theresult isNaN. 189 Ifabs(x)==1andyis, theresult isNaN. 190 Ifabs(x)<1andyis+, theresult is+0. 191 Ifabs(x)<1andyis, theresult is+. 192 Ifxis+andy>0, theresult is+. 193 Ifxis+andy<0, theresult is+0. 194 Ifxisandy>0andyisanoddinteger, theresult is. 195 Ifxisandy>0andyisnot anoddinteger, theresult is+. 196 Ifxisandy<0andyisanoddinteger, theresult is0. 197 Ifxisandy<0andyisnot anoddinteger, theresult is+0. 198 Ifxis+0andy>0, theresult is+0. 199 Ifxis+0andy<0, theresult is+. 200 Ifxis0andy>0andyisanoddinteger, theresult is0. 201 Ifxis0andy>0andyisnot anoddinteger, theresult is+0. 202 Ifxis0andy<0andyisanoddinteger, theresult is. 203 Ifxis0andy<0andyisnot anoddinteger, theresult is+. 204 Ifx<0andxisfiniteandyisfiniteandyisnot aninteger, theresult isNaN. 205 */ 206 207 shouldBe("Math.round(NaN)", "NaN"); 208 shouldBe("Math.round(0)", "0"); 209 shouldBe("Math.round(-0)", "-0"); 210 shouldBe("Math.round(0.4)", "0"); 211 shouldBe("Math.round(-0.4)", "-0"); 212 shouldBe("Math.round(0.5)", "1"); 213 shouldBe("Math.round(-0.5)", "-0"); 214 shouldBe("Math.round(0.6)", "1"); 215 shouldBe("Math.round(-0.6)", "-1"); 216 shouldBe("Math.round(1)", "1"); 217 shouldBe("Math.round(-1)", "-1"); 218 shouldBe("Math.round(1.1)", "1"); 219 shouldBe("Math.round(-1.1)", "-1"); 220 shouldBe("Math.round(1.5)", "2"); 221 shouldBe("Math.round(-1.5)", "-1"); 222 shouldBe("Math.round(1.6)", "2"); 223 shouldBe("Math.round(-1.6)", "-2"); 224 shouldBe("Math.round(8640000000000000)", "8640000000000000"); 225 // The following is expected. Double can't represent .5 in this case. 226 shouldBe("Math.round(8640000000000000.5)", "8640000000000000"); 227 shouldBe("Math.round(8640000000000001)", "8640000000000001"); 228 shouldBe("Math.round(8640000000000002)", "8640000000000002"); 229 shouldBe("Math.round(9007199254740990)", "9007199254740990"); 230 shouldBe("Math.round(9007199254740991)", "9007199254740991"); 231 shouldBe("Math.round(1.7976931348623157e+308)", "1.7976931348623157e+308"); 232 shouldBe("Math.round(-8640000000000000)", "-8640000000000000"); 233 shouldBe("Math.round(-8640000000000001)", "-8640000000000001"); 234 shouldBe("Math.round(-8640000000000002)", "-8640000000000002"); 235 shouldBe("Math.round(-9007199254740990)", "-9007199254740990"); 236 shouldBe("Math.round(-9007199254740991)", "-9007199254740991"); 237 shouldBe("Math.round(-1.7976931348623157e+308)", "-1.7976931348623157e+308"); 238 shouldBe("Math.round(Infinity)", "Infinity"); 239 shouldBe("Math.round(-Infinity)", "-Infinity"); 240 241 shouldBe("Math.sin(NaN)", "NaN"); 242 shouldBe("Math.sin(0)", "0"); 243 shouldBe("Math.sin(-0)", "-0"); 244 shouldBe("Math.sin(Infinity)", "NaN"); 245 shouldBe("Math.sin(-Infinity)", "NaN"); 246 247 shouldBe("Math.sqrt(NaN)", "NaN"); 248 shouldBe("Math.sqrt(0)", "0"); 249 shouldBe("Math.sqrt(-0)", "-0"); 250 shouldBe("Math.sqrt(1)", "1"); 251 shouldBe("Math.sqrt(-1)", "NaN"); 252 shouldBe("Math.sqrt(Infinity)", "Infinity"); 253 shouldBe("Math.sqrt(-Infinity)", "NaN"); 254 255 shouldBe("Math.tan(NaN)", "NaN"); 256 shouldBe("Math.tan(0)", "0"); 257 shouldBe("Math.tan(-0)", "-0"); 258 shouldBe("Math.tan(Infinity)", "NaN"); 259 shouldBe("Math.tan(-Infinity)", "NaN"); 260 261 var __Math = Math; 262 shouldBeTrue("delete Math;"); 263 264 function global() { return this; } 265 shouldBeFalse("'Math' in global()"); 266 267 Math = __Math; 268
