1 // Copyright 2013 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 // ---------------------------------------------------------------------- 29 // toString 30 function testToString(a, b) { 31 assertEquals(a, b.toString()); 32 } 33 34 function testToStringP(a, b, c) { 35 assertEquals(a, b.toString(c)); 36 } 37 38 testToString("NaN", (NaN)); 39 testToString("Infinity", (1/0)); 40 testToString("-Infinity", (-1/0)); 41 testToString("0", (0)); 42 testToString("9", (9)); 43 testToString("90", (90)); 44 testToString("90.12", (90.12)); 45 testToString("0.1", (0.1)); 46 testToString("0.01", (0.01)); 47 testToString("0.0123", (0.0123)); 48 testToString("111111111111111110000", (111111111111111111111)); 49 testToString("1.1111111111111111e+21", (1111111111111111111111)); 50 testToString("1.1111111111111111e+22", (11111111111111111111111)); 51 testToString("0.00001", (0.00001)); 52 testToString("0.000001", (0.000001)); 53 testToString("1e-7", (0.0000001)); 54 testToString("1.2e-7", (0.00000012)); 55 testToString("1.23e-7", (0.000000123)); 56 testToString("1e-8", (0.00000001)); 57 testToString("1.2e-8", (0.000000012)); 58 testToString("1.23e-8", (0.0000000123)); 59 60 testToString("0", (-0)); 61 testToString("-9", (-9)); 62 testToString("-90", (-90)); 63 testToString("-90.12", (-90.12)); 64 testToString("-0.1", (-0.1)); 65 testToString("-0.01", (-0.01)); 66 testToString("-0.0123", (-0.0123)); 67 testToString("-111111111111111110000", (-111111111111111111111)); 68 testToString("-1.1111111111111111e+21", (-1111111111111111111111)); 69 testToString("-1.1111111111111111e+22", (-11111111111111111111111)); 70 testToString("-0.00001", (-0.00001)); 71 testToString("-0.000001", (-0.000001)); 72 testToString("-1e-7", (-0.0000001)); 73 testToString("-1.2e-7", (-0.00000012)); 74 testToString("-1.23e-7", (-0.000000123)); 75 testToString("-1e-8", (-0.00000001)); 76 testToString("-1.2e-8", (-0.000000012)); 77 testToString("-1.23e-8", (-0.0000000123)); 78 79 testToString("1000", (1000)); 80 testToString("0.00001", (0.00001)); 81 testToString("1000000000000000100", (1000000000000000128)); 82 testToString("1e+21", (1000000000000000012800)); 83 testToString("-1e+21", (-1000000000000000012800)); 84 testToString("1e-7", (0.0000001)); 85 testToString("-1e-7", (-0.0000001)); 86 testToString("1.0000000000000001e+21", (1000000000000000128000)); 87 testToString("0.000001", (0.000001)); 88 testToString("1e-7", (0.0000001)); 89 90 testToStringP("NaN", (NaN), 16); 91 testToStringP("Infinity", (1/0), 16); 92 testToStringP("-Infinity", (-1/0), 16); 93 testToStringP("0", (0), 16); 94 testToStringP("9", (9), 16); 95 testToStringP("5a", (90), 16); 96 testToStringP("5a.1eb851eb852", (90.12), 16); 97 testToStringP("0.1999999999999a", (0.1), 16); 98 testToStringP("0.028f5c28f5c28f6", (0.01), 16); 99 testToStringP("0.032617c1bda511a", (0.0123), 16); 100 testToStringP("605f9f6dd18bc8000", (111111111111111111111), 16); 101 testToStringP("3c3bc3a4a2f75c0000", (1111111111111111111111), 16); 102 testToStringP("25a55a46e5da9a00000", (11111111111111111111111), 16); 103 testToStringP("0.0000a7c5ac471b4788", (0.00001), 16); 104 testToStringP("0.000010c6f7a0b5ed8d", (0.000001), 16); 105 testToStringP("0.000001ad7f29abcaf48", (0.0000001), 16); 106 testToStringP("0.000002036565348d256", (0.00000012), 16); 107 testToStringP("0.0000021047ee22aa466", (0.000000123), 16); 108 testToStringP("0.0000002af31dc4611874", (0.00000001), 16); 109 testToStringP("0.000000338a23b87483be", (0.000000012), 16); 110 testToStringP("0.00000034d3fe36aaa0a2", (0.0000000123), 16); 111 112 testToStringP("0", (-0), 16); 113 testToStringP("-9", (-9), 16); 114 testToStringP("-5a", (-90), 16); 115 testToStringP("-5a.1eb851eb852", (-90.12), 16); 116 testToStringP("-0.1999999999999a", (-0.1), 16); 117 testToStringP("-0.028f5c28f5c28f6", (-0.01), 16); 118 testToStringP("-0.032617c1bda511a", (-0.0123), 16); 119 testToStringP("-605f9f6dd18bc8000", (-111111111111111111111), 16); 120 testToStringP("-3c3bc3a4a2f75c0000", (-1111111111111111111111), 16); 121 testToStringP("-25a55a46e5da9a00000", (-11111111111111111111111), 16); 122 testToStringP("-0.0000a7c5ac471b4788", (-0.00001), 16); 123 testToStringP("-0.000010c6f7a0b5ed8d", (-0.000001), 16); 124 testToStringP("-0.000001ad7f29abcaf48", (-0.0000001), 16); 125 testToStringP("-0.000002036565348d256", (-0.00000012), 16); 126 testToStringP("-0.0000021047ee22aa466", (-0.000000123), 16); 127 testToStringP("-0.0000002af31dc4611874", (-0.00000001), 16); 128 testToStringP("-0.000000338a23b87483be", (-0.000000012), 16); 129 testToStringP("-0.00000034d3fe36aaa0a2", (-0.0000000123), 16); 130 131 testToString("4294967296", Math.pow(2,32)); 132 testToStringP("ffffffff", (Math.pow(2,32)-1), 16); 133 testToStringP("11111111111111111111111111111111", (Math.pow(2,32)-1), 2); 134 testToStringP("5yc1z", (10000007), 36); 135 testToStringP("0", (0), 36); 136 testToStringP("0", (0), 16); 137 testToStringP("0", (0), 10); 138 testToStringP("0", (0), 8); 139 testToStringP("0", (0), 2); 140 testToStringP("100000000000000000000000000000000", Math.pow(2,32), 2); 141 testToStringP("100000000000000000000000000000001", (Math.pow(2,32) + 1), 2); 142 testToStringP("100000000000080", (0x100000000000081), 16); 143 testToStringP("1000000000000100", (-(-'0x1000000000000081')), 16); 144 testToStringP("1000000000000000", (-(-'0x1000000000000080')), 16); 145 testToStringP("1000000000000000", (-(-'0x100000000000007F')), 16); 146 testToStringP("100000000000000000000000000000000000000000000000010000000", (0x100000000000081), 2); 147 testToStringP("-11111111111111111111111111111111", (-(Math.pow(2,32)-1)), 2); 148 testToStringP("-5yc1z", (-10000007), 36); 149 testToStringP("-100000000000000000000000000000000", (-Math.pow(2,32)), 2); 150 testToStringP("-100000000000000000000000000000001", (-(Math.pow(2,32) + 1)), 2); 151 testToStringP("-100000000000080", (-0x100000000000081), 16); 152 testToStringP("-100000000000000000000000000000000000000000000000010000000", (-0x100000000000081), 2); 153 testToStringP("8.8", (8.5), 16); 154 testToStringP("-8.8", (-8.5), 16); 155 156 // ---------------------------------------------------------------------- 157 // toFixed 158 function testToFixed(a, b, c) { 159 assertEquals(a, b.toFixed(c)); 160 } 161 162 testToFixed("NaN", (NaN), (2)); 163 testToFixed("Infinity", (1/0), (2)); 164 testToFixed("-Infinity", (-1/0), (2)); 165 166 testToFixed("1.1111111111111111e+21", (1111111111111111111111), (8)); 167 testToFixed("0.1", (0.1), (1)); 168 testToFixed("0.10", (0.1), (2)); 169 testToFixed("0.100", (0.1), (3)); 170 testToFixed("0.01", (0.01), (2)); 171 testToFixed("0.010", (0.01), (3)); 172 testToFixed("0.0100", (0.01), (4)); 173 testToFixed("0.00", (0.001), (2)); 174 testToFixed("0.001", (0.001), (3)); 175 testToFixed("0.0010", (0.001), (4)); 176 testToFixed("1.0000", (1), (4)); 177 testToFixed("1.0", (1), (1)); 178 testToFixed("1", (1), (0)); 179 testToFixed("12", (12), (0)); 180 testToFixed("1", (1.1), (0)); 181 testToFixed("12", (12.1), (0)); 182 testToFixed("1", (1.12), (0)); 183 testToFixed("12", (12.12), (0)); 184 testToFixed("0.0000006", (0.0000006), (7)); 185 testToFixed("0.00000006", (0.00000006), (8)); 186 testToFixed("0.000000060", (0.00000006), (9)); 187 testToFixed("0.0000000600", (0.00000006), (10)); 188 testToFixed("0", (0), (0)); 189 testToFixed("0.0", (0), (1)); 190 testToFixed("0.00", (0), (2)); 191 192 testToFixed("-1.1111111111111111e+21", (-1111111111111111111111), (8)); 193 testToFixed("-0.1", (-0.1), (1)); 194 testToFixed("-0.10", (-0.1), (2)); 195 testToFixed("-0.100", (-0.1), (3)); 196 testToFixed("-0.01", (-0.01), (2)); 197 testToFixed("-0.010", (-0.01), (3)); 198 testToFixed("-0.0100", (-0.01), (4)); 199 testToFixed("-0.00", (-0.001), (2)); 200 testToFixed("-0.001", (-0.001), (3)); 201 testToFixed("-0.0010", (-0.001), (4)); 202 testToFixed("-1.0000", (-1), (4)); 203 testToFixed("-1.0", (-1), (1)); 204 testToFixed("-1", (-1), (0)); 205 testToFixed("-1", (-1.1), (0)); 206 testToFixed("-12", (-12.1), (0)); 207 testToFixed("-1", (-1.12), (0)); 208 testToFixed("-12", (-12.12), (0)); 209 testToFixed("-0.0000006", (-0.0000006), (7)); 210 testToFixed("-0.00000006", (-0.00000006), (8)); 211 testToFixed("-0.000000060", (-0.00000006), (9)); 212 testToFixed("-0.0000000600", (-0.00000006), (10)); 213 testToFixed("0", (-0), (0)); 214 testToFixed("0.0", (-0), (1)); 215 testToFixed("0.00", (-0), (2)); 216 217 testToFixed("0.00001", (0.00001), (5)); 218 testToFixed("0.00000000000000000010", (0.0000000000000000001), (20)); 219 testToFixed("0.00001000000000000", (0.00001), (17)); 220 testToFixed("1.00000000000000000", (1), (17)); 221 testToFixed("100000000000000128.0", (100000000000000128), (1)); 222 testToFixed("10000000000000128.00", (10000000000000128), (2)); 223 testToFixed("10000000000000128.00000000000000000000", (10000000000000128), (20)); 224 testToFixed("-42.000", (-42), (3)); 225 testToFixed("-0.00000000000000000010", (-0.0000000000000000001), (20)); 226 testToFixed("0.12312312312312299889", (0.123123123123123), (20)); 227 228 assertEquals("-1000000000000000128", (-1000000000000000128).toFixed()); 229 assertEquals("0", (0).toFixed()); 230 assertEquals("1000000000000000128", (1000000000000000128).toFixed()); 231 assertEquals("1000", (1000).toFixed()); 232 assertEquals("0", (0.00001).toFixed()); 233 // Test that we round up even when the last digit generated is even. 234 // dtoa does not do this in its original form. 235 assertEquals("1", 0.5.toFixed(0), "0.5.toFixed(0)"); 236 assertEquals("-1", (-0.5).toFixed(0), "(-0.5).toFixed(0)"); 237 assertEquals("1.3", 1.25.toFixed(1), "1.25.toFixed(1)"); 238 // This is bizare, but Spidermonkey and KJS behave the same. 239 assertEquals("234.2040", (234.20405).toFixed(4), "234.2040.toFixed(4)"); 240 assertEquals("234.2041", (234.2040506).toFixed(4)); 241 242 // ---------------------------------------------------------------------- 243 // toExponential 244 function testToExponential(a, b) { 245 assertEquals(a, b.toExponential()); 246 } 247 248 function testToExponentialP(a, b, c) { 249 assertEquals(a, b.toExponential(c)); 250 } 251 252 testToExponential("1e+0", (1)); 253 testToExponential("1.1e+1", (11)); 254 testToExponential("1.12e+2", (112)); 255 testToExponential("1e-1", (0.1)); 256 testToExponential("1.1e-1", (0.11)); 257 testToExponential("1.12e-1", (0.112)); 258 testToExponential("-1e+0", (-1)); 259 testToExponential("-1.1e+1", (-11)); 260 testToExponential("-1.12e+2", (-112)); 261 testToExponential("-1e-1", (-0.1)); 262 testToExponential("-1.1e-1", (-0.11)); 263 testToExponential("-1.12e-1", (-0.112)); 264 testToExponential("0e+0", (0)); 265 testToExponential("1.12356e-4", (0.000112356)); 266 testToExponential("-1.12356e-4", (-0.000112356)); 267 268 testToExponentialP("1e+0", (1), (0)); 269 testToExponentialP("1e+1", (11), (0)); 270 testToExponentialP("1e+2", (112), (0)); 271 testToExponentialP("1.0e+0", (1), (1)); 272 testToExponentialP("1.1e+1", (11), (1)); 273 testToExponentialP("1.1e+2", (112), (1)); 274 testToExponentialP("1.00e+0", (1), (2)); 275 testToExponentialP("1.10e+1", (11), (2)); 276 testToExponentialP("1.12e+2", (112), (2)); 277 testToExponentialP("1.000e+0", (1), (3)); 278 testToExponentialP("1.100e+1", (11), (3)); 279 testToExponentialP("1.120e+2", (112), (3)); 280 testToExponentialP("1e-1", (0.1), (0)); 281 testToExponentialP("1e-1", (0.11), (0)); 282 testToExponentialP("1e-1", (0.112), (0)); 283 testToExponentialP("1.0e-1", (0.1), (1)); 284 testToExponentialP("1.1e-1", (0.11), (1)); 285 testToExponentialP("1.1e-1", (0.112), (1)); 286 testToExponentialP("1.00e-1", (0.1), (2)); 287 testToExponentialP("1.10e-1", (0.11), (2)); 288 testToExponentialP("1.12e-1", (0.112), (2)); 289 testToExponentialP("1.000e-1", (0.1), (3)); 290 testToExponentialP("1.100e-1", (0.11), (3)); 291 testToExponentialP("1.120e-1", (0.112), (3)); 292 293 testToExponentialP("-1e+0", (-1), (0)); 294 testToExponentialP("-1e+1", (-11), (0)); 295 testToExponentialP("-1e+2", (-112), (0)); 296 testToExponentialP("-1.0e+0", (-1), (1)); 297 testToExponentialP("-1.1e+1", (-11), (1)); 298 testToExponentialP("-1.1e+2", (-112), (1)); 299 testToExponentialP("-1.00e+0", (-1), (2)); 300 testToExponentialP("-1.10e+1", (-11), (2)); 301 testToExponentialP("-1.12e+2", (-112), (2)); 302 testToExponentialP("-1.000e+0", (-1), (3)); 303 testToExponentialP("-1.100e+1", (-11), (3)); 304 testToExponentialP("-1.120e+2", (-112), (3)); 305 testToExponentialP("-1e-1", (-0.1), (0)); 306 testToExponentialP("-1e-1", (-0.11), (0)); 307 testToExponentialP("-1e-1", (-0.112), (0)); 308 testToExponentialP("-1.0e-1", (-0.1), (1)); 309 testToExponentialP("-1.1e-1", (-0.11), (1)); 310 testToExponentialP("-1.1e-1", (-0.112), (1)); 311 testToExponentialP("-1.00e-1", (-0.1), (2)); 312 testToExponentialP("-1.10e-1", (-0.11), (2)); 313 testToExponentialP("-1.12e-1", (-0.112), (2)); 314 testToExponentialP("-1.000e-1", (-0.1), (3)); 315 testToExponentialP("-1.100e-1", (-0.11), (3)); 316 testToExponentialP("-1.120e-1", (-0.112), (3)); 317 318 testToExponentialP("NaN", (NaN), (2)); 319 testToExponentialP("Infinity", (Infinity), (2)); 320 testToExponentialP("-Infinity", (-Infinity), (2)); 321 testToExponentialP("1e+0", (1), (0)); 322 testToExponentialP("0.00e+0", (0), (2)); 323 testToExponentialP("1e+1", (11.2356), (0)); 324 testToExponentialP("1.1236e+1", (11.2356), (4)); 325 testToExponentialP("1.1236e-4", (0.000112356), (4)); 326 testToExponentialP("-1.1236e-4", (-0.000112356), (4)); 327 328 // ---------------------------------------------------------------------- 329 // toPrecision 330 function testToPrecision(a, b, c) { 331 assertEquals(a, b.toPrecision(c)); 332 } 333 334 testToPrecision("NaN", (NaN), (1)); 335 testToPrecision("Infinity", (Infinity), (2)); 336 testToPrecision("-Infinity", (-Infinity), (2)); 337 testToPrecision("0.000555000000000000", (0.000555), (15)); 338 testToPrecision("5.55000000000000e-7", (0.000000555), (15)); 339 testToPrecision("-5.55000000000000e-7", (-0.000000555), (15)); 340 testToPrecision("1e+8", (123456789), (1)); 341 testToPrecision("123456789", (123456789), (9)); 342 testToPrecision("1.2345679e+8", (123456789), (8)); 343 testToPrecision("1.234568e+8", (123456789), (7)); 344 testToPrecision("-1.234568e+8", (-123456789), (7)); 345 testToPrecision("-1.2e-9", Number(-.0000000012345), (2)); 346 testToPrecision("-1.2e-8", Number(-.000000012345), (2)); 347 testToPrecision("-1.2e-7", Number(-.00000012345), (2)); 348 testToPrecision("-0.0000012", Number(-.0000012345), (2)); 349 testToPrecision("-0.000012", Number(-.000012345), (2)); 350 testToPrecision("-0.00012", Number(-.00012345), (2)); 351 testToPrecision("-0.0012", Number(-.0012345), (2)); 352 testToPrecision("-0.012", Number(-.012345), (2)); 353 testToPrecision("-0.12", Number(-.12345), (2)); 354 testToPrecision("-1.2", Number(-1.2345), (2)); 355 testToPrecision("-12", Number(-12.345), (2)); 356 testToPrecision("-1.2e+2", Number(-123.45), (2)); 357 testToPrecision("-1.2e+3", Number(-1234.5), (2)); 358 testToPrecision("-1.2e+4", Number(-12345), (2)); 359 testToPrecision("-1.235e+4", Number(-12345.67), (4)); 360 testToPrecision("-1.234e+4", Number(-12344.67), (4)); 361 // Test that we round up even when the last digit generated is even. 362 // dtoa does not do this in its original form. 363 assertEquals("1.3", 1.25.toPrecision(2), "1.25.toPrecision(2)"); 364 assertEquals("1.4", 1.35.toPrecision(2), "1.35.toPrecision(2)"); 365
