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| 1 // Copyright 2010 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 #include <stdlib.h> | |
| 29 | |
| 30 #include "v8.h" | |
| 31 | |
| 32 #include "platform.h" | |
| 33 #include "cctest.h" | |
| 34 #include "double.h" | |
| 35 #include "fixed-dtoa.h" | |
| 36 #include "gay-fixed.h" | |
| 37 | |
| 38 using namespace v8::internal; | |
| 39 | |
| 40 static const int kBufferSize = 500; | |
| 41 | |
| 42 TEST(FastFixedVariousDoubles) { | |
| 43 char buffer_container[kBufferSize]; | |
| 44 Vector<char> buffer(buffer_container, kBufferSize); | |
| 45 int length; | |
| 46 int point; | |
| 47 | |
| 48 CHECK(FastFixedDtoa(1.0, 1, buffer, &length, &point)); | |
| 49 CHECK_EQ("1", buffer.start()); | |
| 50 CHECK_EQ(1, point); | |
| 51 | |
| 52 CHECK(FastFixedDtoa(1.0, 15, buffer, &length, &point)); | |
| 53 CHECK_EQ("1", buffer.start()); | |
| 54 CHECK_EQ(1, point); | |
| 55 | |
| 56 CHECK(FastFixedDtoa(1.0, 0, buffer, &length, &point)); | |
| 57 CHECK_EQ("1", buffer.start()); | |
| 58 CHECK_EQ(1, point); | |
| 59 | |
| 60 CHECK(FastFixedDtoa(0xFFFFFFFF, 5, buffer, &length, &point)); | |
| 61 CHECK_EQ("4294967295", buffer.start()); | |
| 62 CHECK_EQ(10, point); | |
| 63 | |
| 64 CHECK(FastFixedDtoa(4294967296.0, 5, buffer, &length, &point)); | |
| 65 CHECK_EQ("4294967296", buffer.start()); | |
| 66 CHECK_EQ(10, point); | |
| 67 | |
| 68 CHECK(FastFixedDtoa(1e21, 5, buffer, &length, &point)); | |
| 69 CHECK_EQ("1", buffer.start()); | |
| 70 // CHECK_EQ(22, point); | |
| 71 CHECK_EQ(22, point); | |
| 72 | |
| 73 CHECK(FastFixedDtoa(999999999999999868928.00, 2, buffer, &length, &point)); | |
| 74 CHECK_EQ("999999999999999868928", buffer.start()); | |
| 75 CHECK_EQ(21, point); | |
| 76 | |
| 77 CHECK(FastFixedDtoa(6.9999999999999989514240000e+21, 5, buffer, | |
| 78 &length, &point)); | |
| 79 CHECK_EQ("6999999999999998951424", buffer.start()); | |
| 80 CHECK_EQ(22, point); | |
| 81 | |
| 82 CHECK(FastFixedDtoa(1.5, 5, buffer, &length, &point)); | |
| 83 CHECK_EQ("15", buffer.start()); | |
| 84 CHECK_EQ(1, point); | |
| 85 | |
| 86 CHECK(FastFixedDtoa(1.55, 5, buffer, &length, &point)); | |
| 87 CHECK_EQ("155", buffer.start()); | |
| 88 CHECK_EQ(1, point); | |
| 89 | |
| 90 CHECK(FastFixedDtoa(1.55, 1, buffer, &length, &point)); | |
| 91 CHECK_EQ("16", buffer.start()); | |
| 92 CHECK_EQ(1, point); | |
| 93 | |
| 94 CHECK(FastFixedDtoa(1.00000001, 15, buffer, &length, &point)); | |
| 95 CHECK_EQ("100000001", buffer.start()); | |
| 96 CHECK_EQ(1, point); | |
| 97 | |
| 98 CHECK(FastFixedDtoa(0.1, 10, buffer, &length, &point)); | |
| 99 CHECK_EQ("1", buffer.start()); | |
| 100 CHECK_EQ(0, point); | |
| 101 | |
| 102 CHECK(FastFixedDtoa(0.01, 10, buffer, &length, &point)); | |
| 103 CHECK_EQ("1", buffer.start()); | |
| 104 CHECK_EQ(-1, point); | |
| 105 | |
| 106 CHECK(FastFixedDtoa(0.001, 10, buffer, &length, &point)); | |
| 107 CHECK_EQ("1", buffer.start()); | |
| 108 CHECK_EQ(-2, point); | |
| 109 | |
| 110 CHECK(FastFixedDtoa(0.0001, 10, buffer, &length, &point)); | |
| 111 CHECK_EQ("1", buffer.start()); | |
| 112 CHECK_EQ(-3, point); | |
| 113 | |
| 114 CHECK(FastFixedDtoa(0.00001, 10, buffer, &length, &point)); | |
| 115 CHECK_EQ("1", buffer.start()); | |
| 116 CHECK_EQ(-4, point); | |
| 117 | |
| 118 CHECK(FastFixedDtoa(0.000001, 10, buffer, &length, &point)); | |
| 119 CHECK_EQ("1", buffer.start()); | |
| 120 CHECK_EQ(-5, point); | |
| 121 | |
| 122 CHECK(FastFixedDtoa(0.0000001, 10, buffer, &length, &point)); | |
| 123 CHECK_EQ("1", buffer.start()); | |
| 124 CHECK_EQ(-6, point); | |
| 125 | |
| 126 CHECK(FastFixedDtoa(0.00000001, 10, buffer, &length, &point)); | |
| 127 CHECK_EQ("1", buffer.start()); | |
| 128 CHECK_EQ(-7, point); | |
| 129 | |
| 130 CHECK(FastFixedDtoa(0.000000001, 10, buffer, &length, &point)); | |
| 131 CHECK_EQ("1", buffer.start()); | |
| 132 CHECK_EQ(-8, point); | |
| 133 | |
| 134 CHECK(FastFixedDtoa(0.0000000001, 15, buffer, &length, &point)); | |
| 135 CHECK_EQ("1", buffer.start()); | |
| 136 CHECK_EQ(-9, point); | |
| 137 | |
| 138 CHECK(FastFixedDtoa(0.00000000001, 15, buffer, &length, &point)); | |
| 139 CHECK_EQ("1", buffer.start()); | |
| 140 CHECK_EQ(-10, point); | |
| 141 | |
| 142 CHECK(FastFixedDtoa(0.000000000001, 15, buffer, &length, &point)); | |
| 143 CHECK_EQ("1", buffer.start()); | |
| 144 CHECK_EQ(-11, point); | |
| 145 | |
| 146 CHECK(FastFixedDtoa(0.0000000000001, 15, buffer, &length, &point)); | |
| 147 CHECK_EQ("1", buffer.start()); | |
| 148 CHECK_EQ(-12, point); | |
| 149 | |
| 150 CHECK(FastFixedDtoa(0.00000000000001, 15, buffer, &length, &point)); | |
| 151 CHECK_EQ("1", buffer.start()); | |
| 152 CHECK_EQ(-13, point); | |
| 153 | |
| 154 CHECK(FastFixedDtoa(0.000000000000001, 20, buffer, &length, &point)); | |
| 155 CHECK_EQ("1", buffer.start()); | |
| 156 CHECK_EQ(-14, point); | |
| 157 | |
| 158 CHECK(FastFixedDtoa(0.0000000000000001, 20, buffer, &length, &point)); | |
| 159 CHECK_EQ("1", buffer.start()); | |
| 160 CHECK_EQ(-15, point); | |
| 161 | |
| 162 CHECK(FastFixedDtoa(0.00000000000000001, 20, buffer, &length, &point)); | |
| 163 CHECK_EQ("1", buffer.start()); | |
| 164 CHECK_EQ(-16, point); | |
| 165 | |
| 166 CHECK(FastFixedDtoa(0.000000000000000001, 20, buffer, &length, &point)); | |
| 167 CHECK_EQ("1", buffer.start()); | |
| 168 CHECK_EQ(-17, point); | |
| 169 | |
| 170 CHECK(FastFixedDtoa(0.0000000000000000001, 20, buffer, &length, &point)); | |
| 171 CHECK_EQ("1", buffer.start()); | |
| 172 CHECK_EQ(-18, point); | |
| 173 | |
| 174 CHECK(FastFixedDtoa(0.00000000000000000001, 20, buffer, &length, &point)); | |
| 175 CHECK_EQ("1", buffer.start()); | |
| 176 CHECK_EQ(-19, point); | |
| 177 | |
| 178 CHECK(FastFixedDtoa(0.10000000004, 10, buffer, &length, &point)); | |
| 179 CHECK_EQ("1", buffer.start()); | |
| 180 CHECK_EQ(0, point); | |
| 181 | |
| 182 CHECK(FastFixedDtoa(0.01000000004, 10, buffer, &length, &point)); | |
| 183 CHECK_EQ("1", buffer.start()); | |
| 184 CHECK_EQ(-1, point); | |
| 185 | |
| 186 CHECK(FastFixedDtoa(0.00100000004, 10, buffer, &length, &point)); | |
| 187 CHECK_EQ("1", buffer.start()); | |
| 188 CHECK_EQ(-2, point); | |
| 189 | |
| 190 CHECK(FastFixedDtoa(0.00010000004, 10, buffer, &length, &point)); | |
| 191 CHECK_EQ("1", buffer.start()); | |
| 192 CHECK_EQ(-3, point); | |
| 193 | |
| 194 CHECK(FastFixedDtoa(0.00001000004, 10, buffer, &length, &point)); | |
| 195 CHECK_EQ("1", buffer.start()); | |
| 196 CHECK_EQ(-4, point); | |
| 197 | |
| 198 CHECK(FastFixedDtoa(0.00000100004, 10, buffer, &length, &point)); | |
| 199 CHECK_EQ("1", buffer.start()); | |
| 200 CHECK_EQ(-5, point); | |
| 201 | |
| 202 CHECK(FastFixedDtoa(0.00000010004, 10, buffer, &length, &point)); | |
| 203 CHECK_EQ("1", buffer.start()); | |
| 204 CHECK_EQ(-6, point); | |
| 205 | |
| 206 CHECK(FastFixedDtoa(0.00000001004, 10, buffer, &length, &point)); | |
| 207 CHECK_EQ("1", buffer.start()); | |
| 208 CHECK_EQ(-7, point); | |
| 209 | |
| 210 CHECK(FastFixedDtoa(0.00000000104, 10, buffer, &length, &point)); | |
| 211 CHECK_EQ("1", buffer.start()); | |
| 212 CHECK_EQ(-8, point); | |
| 213 | |
| 214 CHECK(FastFixedDtoa(0.0000000001000004, 15, buffer, &length, &point)); | |
| 215 CHECK_EQ("1", buffer.start()); | |
| 216 CHECK_EQ(-9, point); | |
| 217 | |
| 218 CHECK(FastFixedDtoa(0.0000000000100004, 15, buffer, &length, &point)); | |
| 219 CHECK_EQ("1", buffer.start()); | |
| 220 CHECK_EQ(-10, point); | |
| 221 | |
| 222 CHECK(FastFixedDtoa(0.0000000000010004, 15, buffer, &length, &point)); | |
| 223 CHECK_EQ("1", buffer.start()); | |
| 224 CHECK_EQ(-11, point); | |
| 225 | |
| 226 CHECK(FastFixedDtoa(0.0000000000001004, 15, buffer, &length, &point)); | |
| 227 CHECK_EQ("1", buffer.start()); | |
| 228 CHECK_EQ(-12, point); | |
| 229 | |
| 230 CHECK(FastFixedDtoa(0.0000000000000104, 15, buffer, &length, &point)); | |
| 231 CHECK_EQ("1", buffer.start()); | |
| 232 CHECK_EQ(-13, point); | |
| 233 | |
| 234 CHECK(FastFixedDtoa(0.000000000000001000004, 20, buffer, &length, &point)); | |
| 235 CHECK_EQ("1", buffer.start()); | |
| 236 CHECK_EQ(-14, point); | |
| 237 | |
| 238 CHECK(FastFixedDtoa(0.000000000000000100004, 20, buffer, &length, &point)); | |
| 239 CHECK_EQ("1", buffer.start()); | |
| 240 CHECK_EQ(-15, point); | |
| 241 | |
| 242 CHECK(FastFixedDtoa(0.000000000000000010004, 20, buffer, &length, &point)); | |
| 243 CHECK_EQ("1", buffer.start()); | |
| 244 CHECK_EQ(-16, point); | |
| 245 | |
| 246 CHECK(FastFixedDtoa(0.000000000000000001004, 20, buffer, &length, &point)); | |
| 247 CHECK_EQ("1", buffer.start()); | |
| 248 CHECK_EQ(-17, point); | |
| 249 | |
| 250 CHECK(FastFixedDtoa(0.000000000000000000104, 20, buffer, &length, &point)); | |
| 251 CHECK_EQ("1", buffer.start()); | |
| 252 CHECK_EQ(-18, point); | |
| 253 | |
| 254 CHECK(FastFixedDtoa(0.000000000000000000014, 20, buffer, &length, &point)); | |
| 255 CHECK_EQ("1", buffer.start()); | |
| 256 CHECK_EQ(-19, point); | |
| 257 | |
| 258 CHECK(FastFixedDtoa(0.10000000006, 10, buffer, &length, &point)); | |
| 259 CHECK_EQ("1000000001", buffer.start()); | |
| 260 CHECK_EQ(0, point); | |
| 261 | |
| 262 CHECK(FastFixedDtoa(0.01000000006, 10, buffer, &length, &point)); | |
| 263 CHECK_EQ("100000001", buffer.start()); | |
| 264 CHECK_EQ(-1, point); | |
| 265 | |
| 266 CHECK(FastFixedDtoa(0.00100000006, 10, buffer, &length, &point)); | |
| 267 CHECK_EQ("10000001", buffer.start()); | |
| 268 CHECK_EQ(-2, point); | |
| 269 | |
| 270 CHECK(FastFixedDtoa(0.00010000006, 10, buffer, &length, &point)); | |
| 271 CHECK_EQ("1000001", buffer.start()); | |
| 272 CHECK_EQ(-3, point); | |
| 273 | |
| 274 CHECK(FastFixedDtoa(0.00001000006, 10, buffer, &length, &point)); | |
| 275 CHECK_EQ("100001", buffer.start()); | |
| 276 CHECK_EQ(-4, point); | |
| 277 | |
| 278 CHECK(FastFixedDtoa(0.00000100006, 10, buffer, &length, &point)); | |
| 279 CHECK_EQ("10001", buffer.start()); | |
| 280 CHECK_EQ(-5, point); | |
| 281 | |
| 282 CHECK(FastFixedDtoa(0.00000010006, 10, buffer, &length, &point)); | |
| 283 CHECK_EQ("1001", buffer.start()); | |
| 284 CHECK_EQ(-6, point); | |
| 285 | |
| 286 CHECK(FastFixedDtoa(0.00000001006, 10, buffer, &length, &point)); | |
| 287 CHECK_EQ("101", buffer.start()); | |
| 288 CHECK_EQ(-7, point); | |
| 289 | |
| 290 CHECK(FastFixedDtoa(0.00000000106, 10, buffer, &length, &point)); | |
| 291 CHECK_EQ("11", buffer.start()); | |
| 292 CHECK_EQ(-8, point); | |
| 293 | |
| 294 CHECK(FastFixedDtoa(0.0000000001000006, 15, buffer, &length, &point)); | |
| 295 CHECK_EQ("100001", buffer.start()); | |
| 296 CHECK_EQ(-9, point); | |
| 297 | |
| 298 CHECK(FastFixedDtoa(0.0000000000100006, 15, buffer, &length, &point)); | |
| 299 CHECK_EQ("10001", buffer.start()); | |
| 300 CHECK_EQ(-10, point); | |
| 301 | |
| 302 CHECK(FastFixedDtoa(0.0000000000010006, 15, buffer, &length, &point)); | |
| 303 CHECK_EQ("1001", buffer.start()); | |
| 304 CHECK_EQ(-11, point); | |
| 305 | |
| 306 CHECK(FastFixedDtoa(0.0000000000001006, 15, buffer, &length, &point)); | |
| 307 CHECK_EQ("101", buffer.start()); | |
| 308 CHECK_EQ(-12, point); | |
| 309 | |
| 310 CHECK(FastFixedDtoa(0.0000000000000106, 15, buffer, &length, &point)); | |
| 311 CHECK_EQ("11", buffer.start()); | |
| 312 CHECK_EQ(-13, point); | |
| 313 | |
| 314 CHECK(FastFixedDtoa(0.000000000000001000006, 20, buffer, &length, &point)); | |
| 315 CHECK_EQ("100001", buffer.start()); | |
| 316 CHECK_EQ(-14, point); | |
| 317 | |
| 318 CHECK(FastFixedDtoa(0.000000000000000100006, 20, buffer, &length, &point)); | |
| 319 CHECK_EQ("10001", buffer.start()); | |
| 320 CHECK_EQ(-15, point); | |
| 321 | |
| 322 CHECK(FastFixedDtoa(0.000000000000000010006, 20, buffer, &length, &point)); | |
| 323 CHECK_EQ("1001", buffer.start()); | |
| 324 CHECK_EQ(-16, point); | |
| 325 | |
| 326 CHECK(FastFixedDtoa(0.000000000000000001006, 20, buffer, &length, &point)); | |
| 327 CHECK_EQ("101", buffer.start()); | |
| 328 CHECK_EQ(-17, point); | |
| 329 | |
| 330 CHECK(FastFixedDtoa(0.000000000000000000106, 20, buffer, &length, &point)); | |
| 331 CHECK_EQ("11", buffer.start()); | |
| 332 CHECK_EQ(-18, point); | |
| 333 | |
| 334 CHECK(FastFixedDtoa(0.000000000000000000016, 20, buffer, &length, &point)); | |
| 335 CHECK_EQ("2", buffer.start()); | |
| 336 CHECK_EQ(-19, point); | |
| 337 | |
| 338 CHECK(FastFixedDtoa(0.6, 0, buffer, &length, &point)); | |
| 339 CHECK_EQ("1", buffer.start()); | |
| 340 CHECK_EQ(1, point); | |
| 341 | |
| 342 CHECK(FastFixedDtoa(0.96, 1, buffer, &length, &point)); | |
| 343 CHECK_EQ("1", buffer.start()); | |
| 344 CHECK_EQ(1, point); | |
| 345 | |
| 346 CHECK(FastFixedDtoa(0.996, 2, buffer, &length, &point)); | |
| 347 CHECK_EQ("1", buffer.start()); | |
| 348 CHECK_EQ(1, point); | |
| 349 | |
| 350 CHECK(FastFixedDtoa(0.9996, 3, buffer, &length, &point)); | |
| 351 CHECK_EQ("1", buffer.start()); | |
| 352 CHECK_EQ(1, point); | |
| 353 | |
| 354 CHECK(FastFixedDtoa(0.99996, 4, buffer, &length, &point)); | |
| 355 CHECK_EQ("1", buffer.start()); | |
| 356 CHECK_EQ(1, point); | |
| 357 | |
| 358 CHECK(FastFixedDtoa(0.999996, 5, buffer, &length, &point)); | |
| 359 CHECK_EQ("1", buffer.start()); | |
| 360 CHECK_EQ(1, point); | |
| 361 | |
| 362 CHECK(FastFixedDtoa(0.9999996, 6, buffer, &length, &point)); | |
| 363 CHECK_EQ("1", buffer.start()); | |
| 364 CHECK_EQ(1, point); | |
| 365 | |
| 366 CHECK(FastFixedDtoa(0.99999996, 7, buffer, &length, &point)); | |
| 367 CHECK_EQ("1", buffer.start()); | |
| 368 CHECK_EQ(1, point); | |
| 369 | |
| 370 CHECK(FastFixedDtoa(0.999999996, 8, buffer, &length, &point)); | |
| 371 CHECK_EQ("1", buffer.start()); | |
| 372 CHECK_EQ(1, point); | |
| 373 | |
| 374 CHECK(FastFixedDtoa(0.9999999996, 9, buffer, &length, &point)); | |
| 375 CHECK_EQ("1", buffer.start()); | |
| 376 CHECK_EQ(1, point); | |
| 377 | |
| 378 CHECK(FastFixedDtoa(0.99999999996, 10, buffer, &length, &point)); | |
| 379 CHECK_EQ("1", buffer.start()); | |
| 380 CHECK_EQ(1, point); | |
| 381 | |
| 382 CHECK(FastFixedDtoa(0.999999999996, 11, buffer, &length, &point)); | |
| 383 CHECK_EQ("1", buffer.start()); | |
| 384 CHECK_EQ(1, point); | |
| 385 | |
| 386 CHECK(FastFixedDtoa(0.9999999999996, 12, buffer, &length, &point)); | |
| 387 CHECK_EQ("1", buffer.start()); | |
| 388 CHECK_EQ(1, point); | |
| 389 | |
| 390 CHECK(FastFixedDtoa(0.99999999999996, 13, buffer, &length, &point)); | |
| 391 CHECK_EQ("1", buffer.start()); | |
| 392 CHECK_EQ(1, point); | |
| 393 | |
| 394 CHECK(FastFixedDtoa(0.999999999999996, 14, buffer, &length, &point)); | |
| 395 CHECK_EQ("1", buffer.start()); | |
| 396 CHECK_EQ(1, point); | |
| 397 | |
| 398 CHECK(FastFixedDtoa(0.9999999999999996, 15, buffer, &length, &point)); | |
| 399 CHECK_EQ("1", buffer.start()); | |
| 400 CHECK_EQ(1, point); | |
| 401 | |
| 402 CHECK(FastFixedDtoa(0.00999999999999996, 16, buffer, &length, &point)); | |
| 403 CHECK_EQ("1", buffer.start()); | |
| 404 CHECK_EQ(-1, point); | |
| 405 | |
| 406 CHECK(FastFixedDtoa(0.000999999999999996, 17, buffer, &length, &point)); | |
| 407 CHECK_EQ("1", buffer.start()); | |
| 408 CHECK_EQ(-2, point); | |
| 409 | |
| 410 CHECK(FastFixedDtoa(0.0000999999999999996, 18, buffer, &length, &point)); | |
| 411 CHECK_EQ("1", buffer.start()); | |
| 412 CHECK_EQ(-3, point); | |
| 413 | |
| 414 CHECK(FastFixedDtoa(0.00000999999999999996, 19, buffer, &length, &point)); | |
| 415 CHECK_EQ("1", buffer.start()); | |
| 416 CHECK_EQ(-4, point); | |
| 417 | |
| 418 CHECK(FastFixedDtoa(0.000000999999999999996, 20, buffer, &length, &point)); | |
| 419 CHECK_EQ("1", buffer.start()); | |
| 420 CHECK_EQ(-5, point); | |
| 421 | |
| 422 CHECK(FastFixedDtoa(323423.234234, 10, buffer, &length, &point)); | |
| 423 CHECK_EQ("323423234234", buffer.start()); | |
| 424 CHECK_EQ(6, point); | |
| 425 | |
| 426 CHECK(FastFixedDtoa(12345678.901234, 4, buffer, &length, &point)); | |
| 427 CHECK_EQ("123456789012", buffer.start()); | |
| 428 CHECK_EQ(8, point); | |
| 429 | |
| 430 CHECK(FastFixedDtoa(98765.432109, 5, buffer, &length, &point)); | |
| 431 CHECK_EQ("9876543211", buffer.start()); | |
| 432 CHECK_EQ(5, point); | |
| 433 | |
| 434 CHECK(FastFixedDtoa(42, 20, buffer, &length, &point)); | |
| 435 CHECK_EQ("42", buffer.start()); | |
| 436 CHECK_EQ(2, point); | |
| 437 | |
| 438 CHECK(FastFixedDtoa(0.5, 0, buffer, &length, &point)); | |
| 439 CHECK_EQ("1", buffer.start()); | |
| 440 CHECK_EQ(1, point); | |
| 441 | |
| 442 CHECK(FastFixedDtoa(1e-23, 10, buffer, &length, &point)); | |
| 443 CHECK_EQ("", buffer.start()); | |
| 444 CHECK_EQ(-10, point); | |
| 445 | |
| 446 CHECK(FastFixedDtoa(1e-123, 2, buffer, &length, &point)); | |
| 447 CHECK_EQ("", buffer.start()); | |
| 448 CHECK_EQ(-2, point); | |
| 449 | |
| 450 CHECK(FastFixedDtoa(1e-123, 0, buffer, &length, &point)); | |
| 451 CHECK_EQ("", buffer.start()); | |
| 452 CHECK_EQ(0, point); | |
| 453 | |
| 454 CHECK(FastFixedDtoa(1e-23, 20, buffer, &length, &point)); | |
| 455 CHECK_EQ("", buffer.start()); | |
| 456 CHECK_EQ(-20, point); | |
| 457 | |
| 458 CHECK(FastFixedDtoa(1e-21, 20, buffer, &length, &point)); | |
| 459 CHECK_EQ("", buffer.start()); | |
| 460 CHECK_EQ(-20, point); | |
| 461 | |
| 462 CHECK(FastFixedDtoa(1e-22, 20, buffer, &length, &point)); | |
| 463 CHECK_EQ("", buffer.start()); | |
| 464 CHECK_EQ(-20, point); | |
| 465 | |
| 466 CHECK(FastFixedDtoa(6e-21, 20, buffer, &length, &point)); | |
| 467 CHECK_EQ("1", buffer.start()); | |
| 468 CHECK_EQ(-19, point); | |
| 469 | |
| 470 CHECK(FastFixedDtoa(9.1193616301674545152000000e+19, 0, | |
| 471 buffer, &length, &point)); | |
| 472 CHECK_EQ("91193616301674545152", buffer.start()); | |
| 473 CHECK_EQ(20, point); | |
| 474 | |
| 475 CHECK(FastFixedDtoa(4.8184662102767651659096515e-04, 19, | |
| 476 buffer, &length, &point)); | |
| 477 CHECK_EQ("4818466210276765", buffer.start()); | |
| 478 CHECK_EQ(-3, point); | |
| 479 | |
| 480 CHECK(FastFixedDtoa(1.9023164229540652612705182e-23, 8, | |
| 481 buffer, &length, &point)); | |
| 482 CHECK_EQ("", buffer.start()); | |
| 483 CHECK_EQ(-8, point); | |
| 484 | |
| 485 CHECK(FastFixedDtoa(1000000000000000128.0, 0, | |
| 486 buffer, &length, &point)); | |
| 487 CHECK_EQ("1000000000000000128", buffer.start()); | |
| 488 CHECK_EQ(19, point); | |
| 489 } | |
| 490 | |
| 491 | |
| 492 TEST(FastFixedDtoaGayFixed) { | |
| 493 char buffer_container[kBufferSize]; | |
| 494 Vector<char> buffer(buffer_container, kBufferSize); | |
| 495 bool status; | |
| 496 int length; | |
| 497 int point; | |
| 498 | |
| 499 Vector<const PrecomputedFixed> precomputed = | |
| 500 PrecomputedFixedRepresentations(); | |
| 501 for (int i = 0; i < precomputed.length(); ++i) { | |
| 502 const PrecomputedFixed current_test = precomputed[i]; | |
| 503 double v = current_test.v; | |
| 504 int number_digits = current_test.number_digits; | |
| 505 status = FastFixedDtoa(v, number_digits, | |
| 506 buffer, &length, &point); | |
| 507 CHECK(status); | |
| 508 CHECK_EQ(current_test.decimal_point, point); | |
| 509 CHECK_GE(number_digits, length - point); | |
| 510 CHECK_EQ(current_test.representation, buffer.start()); | |
| 511 } | |
| 512 } | |
| OLD | NEW |
|---|
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