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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 "bignum.h" |
| 35 |
| 36 using namespace v8::internal; |
| 37 |
| 38 |
| 39 static const int kBufferSize = 1024; |
| 40 |
| 41 static void AssignHexString(Bignum* bignum, const char* str) { |
| 42 bignum->AssignHexString(Vector<const char>(str, StrLength(str))); |
| 43 } |
| 44 |
| 45 |
| 46 static void AssignDecimalString(Bignum* bignum, const char* str) { |
| 47 bignum->AssignDecimalString(Vector<const char>(str, StrLength(str))); |
| 48 } |
| 49 |
| 50 |
| 51 TEST(Assign) { |
| 52 char buffer[kBufferSize]; |
| 53 Bignum bignum; |
| 54 Bignum bignum2; |
| 55 bignum.AssignUInt16(0); |
| 56 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 57 CHECK_EQ("0", buffer); |
| 58 bignum.AssignUInt16(0xA); |
| 59 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 60 CHECK_EQ("A", buffer); |
| 61 bignum.AssignUInt16(0x20); |
| 62 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 63 CHECK_EQ("20", buffer); |
| 64 |
| 65 |
| 66 bignum.AssignUInt64(0); |
| 67 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 68 CHECK_EQ("0", buffer); |
| 69 bignum.AssignUInt64(0xA); |
| 70 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 71 CHECK_EQ("A", buffer); |
| 72 bignum.AssignUInt64(0x20); |
| 73 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 74 CHECK_EQ("20", buffer); |
| 75 bignum.AssignUInt64(0x100); |
| 76 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 77 CHECK_EQ("100", buffer); |
| 78 |
| 79 // The first real test, since this will not fit into one bigit. |
| 80 bignum.AssignUInt64(0x12345678); |
| 81 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 82 CHECK_EQ("12345678", buffer); |
| 83 |
| 84 uint64_t big = V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF); |
| 85 bignum.AssignUInt64(big); |
| 86 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 87 CHECK_EQ("FFFFFFFFFFFFFFFF", buffer); |
| 88 |
| 89 big = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0); |
| 90 bignum.AssignUInt64(big); |
| 91 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 92 CHECK_EQ("123456789ABCDEF0", buffer); |
| 93 |
| 94 bignum2.AssignBignum(bignum); |
| 95 CHECK(bignum2.ToHexString(buffer, kBufferSize)); |
| 96 CHECK_EQ("123456789ABCDEF0", buffer); |
| 97 |
| 98 AssignDecimalString(&bignum, "0"); |
| 99 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 100 CHECK_EQ("0", buffer); |
| 101 |
| 102 AssignDecimalString(&bignum, "1"); |
| 103 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 104 CHECK_EQ("1", buffer); |
| 105 |
| 106 AssignDecimalString(&bignum, "1234567890"); |
| 107 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 108 CHECK_EQ("499602D2", buffer); |
| 109 |
| 110 AssignHexString(&bignum, "0"); |
| 111 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 112 CHECK_EQ("0", buffer); |
| 113 |
| 114 AssignHexString(&bignum, "123456789ABCDEF0"); |
| 115 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 116 CHECK_EQ("123456789ABCDEF0", buffer); |
| 117 } |
| 118 |
| 119 |
| 120 TEST(ShiftLeft) { |
| 121 char buffer[kBufferSize]; |
| 122 Bignum bignum; |
| 123 AssignHexString(&bignum, "0"); |
| 124 bignum.ShiftLeft(100); |
| 125 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 126 CHECK_EQ("0", buffer); |
| 127 |
| 128 AssignHexString(&bignum, "1"); |
| 129 bignum.ShiftLeft(1); |
| 130 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 131 CHECK_EQ("2", buffer); |
| 132 |
| 133 AssignHexString(&bignum, "1"); |
| 134 bignum.ShiftLeft(4); |
| 135 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 136 CHECK_EQ("10", buffer); |
| 137 |
| 138 AssignHexString(&bignum, "1"); |
| 139 bignum.ShiftLeft(32); |
| 140 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 141 CHECK_EQ("100000000", buffer); |
| 142 |
| 143 AssignHexString(&bignum, "1"); |
| 144 bignum.ShiftLeft(64); |
| 145 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 146 CHECK_EQ("10000000000000000", buffer); |
| 147 |
| 148 AssignHexString(&bignum, "123456789ABCDEF"); |
| 149 bignum.ShiftLeft(64); |
| 150 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 151 CHECK_EQ("123456789ABCDEF0000000000000000", buffer); |
| 152 bignum.ShiftLeft(1); |
| 153 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 154 CHECK_EQ("2468ACF13579BDE0000000000000000", buffer); |
| 155 } |
| 156 |
| 157 |
| 158 TEST(AddUInt64) { |
| 159 char buffer[kBufferSize]; |
| 160 Bignum bignum; |
| 161 AssignHexString(&bignum, "0"); |
| 162 bignum.AddUInt64(0xA); |
| 163 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 164 CHECK_EQ("A", buffer); |
| 165 |
| 166 AssignHexString(&bignum, "1"); |
| 167 bignum.AddUInt64(0xA); |
| 168 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 169 CHECK_EQ("B", buffer); |
| 170 |
| 171 AssignHexString(&bignum, "1"); |
| 172 bignum.AddUInt64(0x100); |
| 173 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 174 CHECK_EQ("101", buffer); |
| 175 |
| 176 AssignHexString(&bignum, "1"); |
| 177 bignum.AddUInt64(0xFFFF); |
| 178 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 179 CHECK_EQ("10000", buffer); |
| 180 |
| 181 AssignHexString(&bignum, "FFFFFFF"); |
| 182 bignum.AddUInt64(0x1); |
| 183 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 184 CHECK_EQ("10000000", buffer); |
| 185 |
| 186 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 187 bignum.AddUInt64(0xFFFF); |
| 188 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 189 CHECK_EQ("1000000000000000000000000000000000000000FFFF", buffer); |
| 190 |
| 191 AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); |
| 192 bignum.AddUInt64(0x1); |
| 193 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 194 CHECK_EQ("100000000000000000000000000000000000000000000", buffer); |
| 195 |
| 196 bignum.AssignUInt16(0x1); |
| 197 bignum.ShiftLeft(100); |
| 198 bignum.AddUInt64(1); |
| 199 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 200 CHECK_EQ("10000000000000000000000001", buffer); |
| 201 |
| 202 bignum.AssignUInt16(0x1); |
| 203 bignum.ShiftLeft(100); |
| 204 bignum.AddUInt64(0xFFFF); |
| 205 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 206 CHECK_EQ("1000000000000000000000FFFF", buffer); |
| 207 |
| 208 AssignHexString(&bignum, "0"); |
| 209 bignum.AddUInt64(V8_2PART_UINT64_C(0xA, 00000000)); |
| 210 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 211 CHECK_EQ("A00000000", buffer); |
| 212 |
| 213 AssignHexString(&bignum, "1"); |
| 214 bignum.AddUInt64(V8_2PART_UINT64_C(0xA, 00000000)); |
| 215 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 216 CHECK_EQ("A00000001", buffer); |
| 217 |
| 218 AssignHexString(&bignum, "1"); |
| 219 bignum.AddUInt64(V8_2PART_UINT64_C(0x100, 00000000)); |
| 220 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 221 CHECK_EQ("10000000001", buffer); |
| 222 |
| 223 AssignHexString(&bignum, "1"); |
| 224 bignum.AddUInt64(V8_2PART_UINT64_C(0xFFFF, 00000000)); |
| 225 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 226 CHECK_EQ("FFFF00000001", buffer); |
| 227 |
| 228 AssignHexString(&bignum, "FFFFFFF"); |
| 229 bignum.AddUInt64(V8_2PART_UINT64_C(0x1, 00000000)); |
| 230 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 231 CHECK_EQ("10FFFFFFF", buffer); |
| 232 |
| 233 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 234 bignum.AddUInt64(V8_2PART_UINT64_C(0xFFFF, 00000000)); |
| 235 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 236 CHECK_EQ("10000000000000000000000000000000FFFF00000000", buffer); |
| 237 |
| 238 AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); |
| 239 bignum.AddUInt64(V8_2PART_UINT64_C(0x1, 00000000)); |
| 240 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 241 CHECK_EQ("1000000000000000000000000000000000000FFFFFFFF", buffer); |
| 242 |
| 243 bignum.AssignUInt16(0x1); |
| 244 bignum.ShiftLeft(100); |
| 245 bignum.AddUInt64(V8_2PART_UINT64_C(0x1, 00000000)); |
| 246 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 247 CHECK_EQ("10000000000000000100000000", buffer); |
| 248 |
| 249 bignum.AssignUInt16(0x1); |
| 250 bignum.ShiftLeft(100); |
| 251 bignum.AddUInt64(V8_2PART_UINT64_C(0xFFFF, 00000000)); |
| 252 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 253 CHECK_EQ("10000000000000FFFF00000000", buffer); |
| 254 } |
| 255 |
| 256 |
| 257 TEST(AddBignum) { |
| 258 char buffer[kBufferSize]; |
| 259 Bignum bignum; |
| 260 Bignum other; |
| 261 |
| 262 AssignHexString(&other, "1"); |
| 263 AssignHexString(&bignum, "0"); |
| 264 bignum.AddBignum(other); |
| 265 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 266 CHECK_EQ("1", buffer); |
| 267 |
| 268 AssignHexString(&bignum, "1"); |
| 269 bignum.AddBignum(other); |
| 270 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 271 CHECK_EQ("2", buffer); |
| 272 |
| 273 AssignHexString(&bignum, "FFFFFFF"); |
| 274 bignum.AddBignum(other); |
| 275 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 276 CHECK_EQ("10000000", buffer); |
| 277 |
| 278 AssignHexString(&bignum, "FFFFFFFFFFFFFF"); |
| 279 bignum.AddBignum(other); |
| 280 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 281 CHECK_EQ("100000000000000", buffer); |
| 282 |
| 283 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 284 bignum.AddBignum(other); |
| 285 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 286 CHECK_EQ("10000000000000000000000000000000000000000001", buffer); |
| 287 |
| 288 AssignHexString(&other, "1000000000000"); |
| 289 |
| 290 AssignHexString(&bignum, "1"); |
| 291 bignum.AddBignum(other); |
| 292 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 293 CHECK_EQ("1000000000001", buffer); |
| 294 |
| 295 AssignHexString(&bignum, "FFFFFFF"); |
| 296 bignum.AddBignum(other); |
| 297 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 298 CHECK_EQ("100000FFFFFFF", buffer); |
| 299 |
| 300 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 301 bignum.AddBignum(other); |
| 302 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 303 CHECK_EQ("10000000000000000000000000000001000000000000", buffer); |
| 304 |
| 305 AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); |
| 306 bignum.AddBignum(other); |
| 307 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 308 CHECK_EQ("1000000000000000000000000000000FFFFFFFFFFFF", buffer); |
| 309 |
| 310 bignum.AssignUInt16(0x1); |
| 311 bignum.ShiftLeft(100); |
| 312 bignum.AddBignum(other); |
| 313 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 314 CHECK_EQ("10000000000001000000000000", buffer); |
| 315 |
| 316 other.ShiftLeft(64); |
| 317 // other == "10000000000000000000000000000" |
| 318 |
| 319 bignum.AssignUInt16(0x1); |
| 320 bignum.AddBignum(other); |
| 321 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 322 CHECK_EQ("10000000000000000000000000001", buffer); |
| 323 |
| 324 AssignHexString(&bignum, "FFFFFFF"); |
| 325 bignum.AddBignum(other); |
| 326 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 327 CHECK_EQ("1000000000000000000000FFFFFFF", buffer); |
| 328 |
| 329 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 330 bignum.AddBignum(other); |
| 331 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 332 CHECK_EQ("10000000000000010000000000000000000000000000", buffer); |
| 333 |
| 334 AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); |
| 335 bignum.AddBignum(other); |
| 336 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 337 CHECK_EQ("100000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer); |
| 338 |
| 339 bignum.AssignUInt16(0x1); |
| 340 bignum.ShiftLeft(100); |
| 341 bignum.AddBignum(other); |
| 342 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 343 CHECK_EQ("10010000000000000000000000000", buffer); |
| 344 } |
| 345 |
| 346 |
| 347 TEST(SubtractBignum) { |
| 348 char buffer[kBufferSize]; |
| 349 Bignum bignum; |
| 350 Bignum other; |
| 351 |
| 352 AssignHexString(&bignum, "1"); |
| 353 AssignHexString(&other, "0"); |
| 354 bignum.SubtractBignum(other); |
| 355 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 356 CHECK_EQ("1", buffer); |
| 357 |
| 358 AssignHexString(&bignum, "2"); |
| 359 AssignHexString(&other, "0"); |
| 360 bignum.SubtractBignum(other); |
| 361 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 362 CHECK_EQ("2", buffer); |
| 363 |
| 364 AssignHexString(&bignum, "10000000"); |
| 365 AssignHexString(&other, "1"); |
| 366 bignum.SubtractBignum(other); |
| 367 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 368 CHECK_EQ("FFFFFFF", buffer); |
| 369 |
| 370 AssignHexString(&bignum, "100000000000000"); |
| 371 AssignHexString(&other, "1"); |
| 372 bignum.SubtractBignum(other); |
| 373 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 374 CHECK_EQ("FFFFFFFFFFFFFF", buffer); |
| 375 |
| 376 AssignHexString(&bignum, "10000000000000000000000000000000000000000001"); |
| 377 AssignHexString(&other, "1"); |
| 378 bignum.SubtractBignum(other); |
| 379 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 380 CHECK_EQ("10000000000000000000000000000000000000000000", buffer); |
| 381 |
| 382 AssignHexString(&bignum, "1000000000001"); |
| 383 AssignHexString(&other, "1000000000000"); |
| 384 bignum.SubtractBignum(other); |
| 385 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 386 CHECK_EQ("1", buffer); |
| 387 |
| 388 AssignHexString(&bignum, "100000FFFFFFF"); |
| 389 AssignHexString(&other, "1000000000000"); |
| 390 bignum.SubtractBignum(other); |
| 391 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 392 CHECK_EQ("FFFFFFF", buffer); |
| 393 |
| 394 AssignHexString(&bignum, "10000000000000000000000000000001000000000000"); |
| 395 AssignHexString(&other, "1000000000000"); |
| 396 bignum.SubtractBignum(other); |
| 397 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 398 CHECK_EQ("10000000000000000000000000000000000000000000", buffer); |
| 399 |
| 400 AssignHexString(&bignum, "1000000000000000000000000000000FFFFFFFFFFFF"); |
| 401 AssignHexString(&other, "1000000000000"); |
| 402 bignum.SubtractBignum(other); |
| 403 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 404 CHECK_EQ("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", buffer); |
| 405 |
| 406 bignum.AssignUInt16(0x1); |
| 407 bignum.ShiftLeft(100); |
| 408 // "10 0000 0000 0000 0000 0000 0000" |
| 409 AssignHexString(&other, "1000000000000"); |
| 410 bignum.SubtractBignum(other); |
| 411 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 412 CHECK_EQ("FFFFFFFFFFFFF000000000000", buffer); |
| 413 |
| 414 AssignHexString(&other, "1000000000000"); |
| 415 other.ShiftLeft(48); |
| 416 // other == "1000000000000000000000000" |
| 417 |
| 418 bignum.AssignUInt16(0x1); |
| 419 bignum.ShiftLeft(100); |
| 420 // bignum == "10000000000000000000000000" |
| 421 bignum.SubtractBignum(other); |
| 422 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 423 CHECK_EQ("F000000000000000000000000", buffer); |
| 424 |
| 425 other.AssignUInt16(0x1); |
| 426 other.ShiftLeft(35); |
| 427 // other == "800000000" |
| 428 AssignHexString(&bignum, "FFFFFFF"); |
| 429 bignum.ShiftLeft(60); |
| 430 // bignum = FFFFFFF000000000000000 |
| 431 bignum.SubtractBignum(other); |
| 432 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 433 CHECK_EQ("FFFFFFEFFFFFF800000000", buffer); |
| 434 |
| 435 AssignHexString(&bignum, "10000000000000000000000000000000000000000000"); |
| 436 bignum.SubtractBignum(other); |
| 437 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 438 CHECK_EQ("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF800000000", buffer); |
| 439 |
| 440 AssignHexString(&bignum, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); |
| 441 bignum.SubtractBignum(other); |
| 442 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 443 CHECK_EQ("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFF", buffer); |
| 444 } |
| 445 |
| 446 |
| 447 TEST(MultiplyUInt32) { |
| 448 char buffer[kBufferSize]; |
| 449 Bignum bignum; |
| 450 |
| 451 AssignHexString(&bignum, "0"); |
| 452 bignum.MultiplyByUInt32(0x25); |
| 453 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 454 CHECK_EQ("0", buffer); |
| 455 |
| 456 AssignHexString(&bignum, "2"); |
| 457 bignum.MultiplyByUInt32(0x5); |
| 458 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 459 CHECK_EQ("A", buffer); |
| 460 |
| 461 AssignHexString(&bignum, "10000000"); |
| 462 bignum.MultiplyByUInt32(0x9); |
| 463 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 464 CHECK_EQ("90000000", buffer); |
| 465 |
| 466 AssignHexString(&bignum, "100000000000000"); |
| 467 bignum.MultiplyByUInt32(0xFFFF); |
| 468 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 469 CHECK_EQ("FFFF00000000000000", buffer); |
| 470 |
| 471 AssignHexString(&bignum, "100000000000000"); |
| 472 bignum.MultiplyByUInt32(0xFFFFFFFF); |
| 473 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 474 CHECK_EQ("FFFFFFFF00000000000000", buffer); |
| 475 |
| 476 AssignHexString(&bignum, "1234567ABCD"); |
| 477 bignum.MultiplyByUInt32(0xFFF); |
| 478 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 479 CHECK_EQ("12333335552433", buffer); |
| 480 |
| 481 AssignHexString(&bignum, "1234567ABCD"); |
| 482 bignum.MultiplyByUInt32(0xFFFFFFF); |
| 483 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 484 CHECK_EQ("12345679998A985433", buffer); |
| 485 |
| 486 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 487 bignum.MultiplyByUInt32(0x2); |
| 488 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 489 CHECK_EQ("1FFFFFFFFFFFFFFFE", buffer); |
| 490 |
| 491 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 492 bignum.MultiplyByUInt32(0x4); |
| 493 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 494 CHECK_EQ("3FFFFFFFFFFFFFFFC", buffer); |
| 495 |
| 496 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 497 bignum.MultiplyByUInt32(0xF); |
| 498 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 499 CHECK_EQ("EFFFFFFFFFFFFFFF1", buffer); |
| 500 |
| 501 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 502 bignum.MultiplyByUInt32(0xFFFFFF); |
| 503 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 504 CHECK_EQ("FFFFFEFFFFFFFFFF000001", buffer); |
| 505 |
| 506 bignum.AssignUInt16(0x1); |
| 507 bignum.ShiftLeft(100); |
| 508 // "10 0000 0000 0000 0000 0000 0000" |
| 509 bignum.MultiplyByUInt32(2); |
| 510 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 511 CHECK_EQ("20000000000000000000000000", buffer); |
| 512 |
| 513 bignum.AssignUInt16(0x1); |
| 514 bignum.ShiftLeft(100); |
| 515 // "10 0000 0000 0000 0000 0000 0000" |
| 516 bignum.MultiplyByUInt32(0xF); |
| 517 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 518 CHECK_EQ("F0000000000000000000000000", buffer); |
| 519 |
| 520 bignum.AssignUInt16(0xFFFF); |
| 521 bignum.ShiftLeft(100); |
| 522 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 523 bignum.MultiplyByUInt32(0xFFFF); |
| 524 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 525 CHECK_EQ("FFFE00010000000000000000000000000", buffer); |
| 526 |
| 527 bignum.AssignUInt16(0xFFFF); |
| 528 bignum.ShiftLeft(100); |
| 529 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 530 bignum.MultiplyByUInt32(0xFFFFFFFF); |
| 531 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 532 CHECK_EQ("FFFEFFFF00010000000000000000000000000", buffer); |
| 533 |
| 534 bignum.AssignUInt16(0xFFFF); |
| 535 bignum.ShiftLeft(100); |
| 536 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 537 bignum.MultiplyByUInt32(0xFFFFFFFF); |
| 538 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 539 CHECK_EQ("FFFEFFFF00010000000000000000000000000", buffer); |
| 540 |
| 541 AssignDecimalString(&bignum, "15611230384529777"); |
| 542 bignum.MultiplyByUInt32(10000000); |
| 543 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 544 CHECK_EQ("210EDD6D4CDD2580EE80", buffer); |
| 545 } |
| 546 |
| 547 |
| 548 TEST(MultiplyUInt64) { |
| 549 char buffer[kBufferSize]; |
| 550 Bignum bignum; |
| 551 |
| 552 AssignHexString(&bignum, "0"); |
| 553 bignum.MultiplyByUInt64(0x25); |
| 554 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 555 CHECK_EQ("0", buffer); |
| 556 |
| 557 AssignHexString(&bignum, "2"); |
| 558 bignum.MultiplyByUInt64(0x5); |
| 559 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 560 CHECK_EQ("A", buffer); |
| 561 |
| 562 AssignHexString(&bignum, "10000000"); |
| 563 bignum.MultiplyByUInt64(0x9); |
| 564 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 565 CHECK_EQ("90000000", buffer); |
| 566 |
| 567 AssignHexString(&bignum, "100000000000000"); |
| 568 bignum.MultiplyByUInt64(0xFFFF); |
| 569 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 570 CHECK_EQ("FFFF00000000000000", buffer); |
| 571 |
| 572 AssignHexString(&bignum, "100000000000000"); |
| 573 bignum.MultiplyByUInt64(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF)); |
| 574 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 575 CHECK_EQ("FFFFFFFFFFFFFFFF00000000000000", buffer); |
| 576 |
| 577 AssignHexString(&bignum, "1234567ABCD"); |
| 578 bignum.MultiplyByUInt64(0xFFF); |
| 579 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 580 CHECK_EQ("12333335552433", buffer); |
| 581 |
| 582 AssignHexString(&bignum, "1234567ABCD"); |
| 583 bignum.MultiplyByUInt64(V8_2PART_UINT64_C(0xFF, FFFFFFFF)); |
| 584 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 585 CHECK_EQ("1234567ABCBDCBA985433", buffer); |
| 586 |
| 587 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 588 bignum.MultiplyByUInt64(0x2); |
| 589 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 590 CHECK_EQ("1FFFFFFFFFFFFFFFE", buffer); |
| 591 |
| 592 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 593 bignum.MultiplyByUInt64(0x4); |
| 594 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 595 CHECK_EQ("3FFFFFFFFFFFFFFFC", buffer); |
| 596 |
| 597 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 598 bignum.MultiplyByUInt64(0xF); |
| 599 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 600 CHECK_EQ("EFFFFFFFFFFFFFFF1", buffer); |
| 601 |
| 602 AssignHexString(&bignum, "FFFFFFFFFFFFFFFF"); |
| 603 bignum.MultiplyByUInt64(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF)); |
| 604 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 605 CHECK_EQ("FFFFFFFFFFFFFFFE0000000000000001", buffer); |
| 606 |
| 607 bignum.AssignUInt16(0x1); |
| 608 bignum.ShiftLeft(100); |
| 609 // "10 0000 0000 0000 0000 0000 0000" |
| 610 bignum.MultiplyByUInt64(2); |
| 611 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 612 CHECK_EQ("20000000000000000000000000", buffer); |
| 613 |
| 614 bignum.AssignUInt16(0x1); |
| 615 bignum.ShiftLeft(100); |
| 616 // "10 0000 0000 0000 0000 0000 0000" |
| 617 bignum.MultiplyByUInt64(0xF); |
| 618 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 619 CHECK_EQ("F0000000000000000000000000", buffer); |
| 620 |
| 621 bignum.AssignUInt16(0xFFFF); |
| 622 bignum.ShiftLeft(100); |
| 623 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 624 bignum.MultiplyByUInt64(0xFFFF); |
| 625 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 626 CHECK_EQ("FFFE00010000000000000000000000000", buffer); |
| 627 |
| 628 bignum.AssignUInt16(0xFFFF); |
| 629 bignum.ShiftLeft(100); |
| 630 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 631 bignum.MultiplyByUInt64(0xFFFFFFFF); |
| 632 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 633 CHECK_EQ("FFFEFFFF00010000000000000000000000000", buffer); |
| 634 |
| 635 bignum.AssignUInt16(0xFFFF); |
| 636 bignum.ShiftLeft(100); |
| 637 // "FFFF0 0000 0000 0000 0000 0000 0000" |
| 638 bignum.MultiplyByUInt64(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF)); |
| 639 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 640 CHECK_EQ("FFFEFFFFFFFFFFFF00010000000000000000000000000", buffer); |
| 641 |
| 642 AssignDecimalString(&bignum, "15611230384529777"); |
| 643 bignum.MultiplyByUInt64(V8_2PART_UINT64_C(0x8ac72304, 89e80000)); |
| 644 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 645 CHECK_EQ("1E10EE4B11D15A7F3DE7F3C7680000", buffer); |
| 646 } |
| 647 |
| 648 |
| 649 TEST(MultiplyPowerOfTen) { |
| 650 char buffer[kBufferSize]; |
| 651 Bignum bignum; |
| 652 |
| 653 AssignDecimalString(&bignum, "1234"); |
| 654 bignum.MultiplyByPowerOfTen(1); |
| 655 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 656 CHECK_EQ("3034", buffer); |
| 657 |
| 658 AssignDecimalString(&bignum, "1234"); |
| 659 bignum.MultiplyByPowerOfTen(2); |
| 660 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 661 CHECK_EQ("1E208", buffer); |
| 662 |
| 663 AssignDecimalString(&bignum, "1234"); |
| 664 bignum.MultiplyByPowerOfTen(3); |
| 665 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 666 CHECK_EQ("12D450", buffer); |
| 667 |
| 668 AssignDecimalString(&bignum, "1234"); |
| 669 bignum.MultiplyByPowerOfTen(4); |
| 670 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 671 CHECK_EQ("BC4B20", buffer); |
| 672 |
| 673 AssignDecimalString(&bignum, "1234"); |
| 674 bignum.MultiplyByPowerOfTen(5); |
| 675 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 676 CHECK_EQ("75AEF40", buffer); |
| 677 |
| 678 AssignDecimalString(&bignum, "1234"); |
| 679 bignum.MultiplyByPowerOfTen(6); |
| 680 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 681 CHECK_EQ("498D5880", buffer); |
| 682 |
| 683 AssignDecimalString(&bignum, "1234"); |
| 684 bignum.MultiplyByPowerOfTen(7); |
| 685 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 686 CHECK_EQ("2DF857500", buffer); |
| 687 |
| 688 AssignDecimalString(&bignum, "1234"); |
| 689 bignum.MultiplyByPowerOfTen(8); |
| 690 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 691 CHECK_EQ("1CBB369200", buffer); |
| 692 |
| 693 AssignDecimalString(&bignum, "1234"); |
| 694 bignum.MultiplyByPowerOfTen(9); |
| 695 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 696 CHECK_EQ("11F5021B400", buffer); |
| 697 |
| 698 AssignDecimalString(&bignum, "1234"); |
| 699 bignum.MultiplyByPowerOfTen(10); |
| 700 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 701 CHECK_EQ("B3921510800", buffer); |
| 702 |
| 703 AssignDecimalString(&bignum, "1234"); |
| 704 bignum.MultiplyByPowerOfTen(11); |
| 705 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 706 CHECK_EQ("703B4D2A5000", buffer); |
| 707 |
| 708 AssignDecimalString(&bignum, "1234"); |
| 709 bignum.MultiplyByPowerOfTen(12); |
| 710 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 711 CHECK_EQ("4625103A72000", buffer); |
| 712 |
| 713 AssignDecimalString(&bignum, "1234"); |
| 714 bignum.MultiplyByPowerOfTen(13); |
| 715 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 716 CHECK_EQ("2BD72A24874000", buffer); |
| 717 |
| 718 AssignDecimalString(&bignum, "1234"); |
| 719 bignum.MultiplyByPowerOfTen(14); |
| 720 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 721 CHECK_EQ("1B667A56D488000", buffer); |
| 722 |
| 723 AssignDecimalString(&bignum, "1234"); |
| 724 bignum.MultiplyByPowerOfTen(15); |
| 725 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 726 CHECK_EQ("11200C7644D50000", buffer); |
| 727 |
| 728 AssignDecimalString(&bignum, "1234"); |
| 729 bignum.MultiplyByPowerOfTen(16); |
| 730 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 731 CHECK_EQ("AB407C9EB0520000", buffer); |
| 732 |
| 733 AssignDecimalString(&bignum, "1234"); |
| 734 bignum.MultiplyByPowerOfTen(17); |
| 735 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 736 CHECK_EQ("6B084DE32E3340000", buffer); |
| 737 |
| 738 AssignDecimalString(&bignum, "1234"); |
| 739 bignum.MultiplyByPowerOfTen(18); |
| 740 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 741 CHECK_EQ("42E530ADFCE0080000", buffer); |
| 742 |
| 743 AssignDecimalString(&bignum, "1234"); |
| 744 bignum.MultiplyByPowerOfTen(19); |
| 745 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 746 CHECK_EQ("29CF3E6CBE0C0500000", buffer); |
| 747 |
| 748 AssignDecimalString(&bignum, "1234"); |
| 749 bignum.MultiplyByPowerOfTen(20); |
| 750 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 751 CHECK_EQ("1A218703F6C783200000", buffer); |
| 752 |
| 753 AssignDecimalString(&bignum, "1234"); |
| 754 bignum.MultiplyByPowerOfTen(21); |
| 755 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 756 CHECK_EQ("1054F4627A3CB1F400000", buffer); |
| 757 |
| 758 AssignDecimalString(&bignum, "1234"); |
| 759 bignum.MultiplyByPowerOfTen(22); |
| 760 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 761 CHECK_EQ("A3518BD8C65EF38800000", buffer); |
| 762 |
| 763 AssignDecimalString(&bignum, "1234"); |
| 764 bignum.MultiplyByPowerOfTen(23); |
| 765 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 766 CHECK_EQ("6612F7677BFB5835000000", buffer); |
| 767 |
| 768 AssignDecimalString(&bignum, "1234"); |
| 769 bignum.MultiplyByPowerOfTen(24); |
| 770 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 771 CHECK_EQ("3FCBDAA0AD7D17212000000", buffer); |
| 772 |
| 773 AssignDecimalString(&bignum, "1234"); |
| 774 bignum.MultiplyByPowerOfTen(25); |
| 775 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 776 CHECK_EQ("27DF68A46C6E2E74B4000000", buffer); |
| 777 |
| 778 AssignDecimalString(&bignum, "1234"); |
| 779 bignum.MultiplyByPowerOfTen(26); |
| 780 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 781 CHECK_EQ("18EBA166C3C4DD08F08000000", buffer); |
| 782 |
| 783 AssignDecimalString(&bignum, "1234"); |
| 784 bignum.MultiplyByPowerOfTen(27); |
| 785 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 786 CHECK_EQ("F9344E03A5B0A259650000000", buffer); |
| 787 |
| 788 AssignDecimalString(&bignum, "1234"); |
| 789 bignum.MultiplyByPowerOfTen(28); |
| 790 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 791 CHECK_EQ("9BC0B0C2478E6577DF20000000", buffer); |
| 792 |
| 793 AssignDecimalString(&bignum, "1234"); |
| 794 bignum.MultiplyByPowerOfTen(29); |
| 795 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 796 CHECK_EQ("61586E796CB8FF6AEB740000000", buffer); |
| 797 |
| 798 AssignDecimalString(&bignum, "1234"); |
| 799 bignum.MultiplyByPowerOfTen(30); |
| 800 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 801 CHECK_EQ("3CD7450BE3F39FA2D32880000000", buffer); |
| 802 |
| 803 AssignDecimalString(&bignum, "1234"); |
| 804 bignum.MultiplyByPowerOfTen(31); |
| 805 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 806 CHECK_EQ("26068B276E7843C5C3F9500000000", buffer); |
| 807 |
| 808 AssignDecimalString(&bignum, "1234"); |
| 809 bignum.MultiplyByPowerOfTen(50); |
| 810 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 811 CHECK_EQ("149D1B4CFED03B23AB5F4E1196EF45C08000000000000", buffer); |
| 812 |
| 813 AssignDecimalString(&bignum, "1234"); |
| 814 bignum.MultiplyByPowerOfTen(100); |
| 815 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 816 CHECK_EQ("5827249F27165024FBC47DFCA9359BF316332D1B91ACEECF471FBAB06D9B2" |
| 817 "0000000000000000000000000", buffer); |
| 818 |
| 819 AssignDecimalString(&bignum, "1234"); |
| 820 bignum.MultiplyByPowerOfTen(200); |
| 821 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 822 CHECK_EQ("64C1F5C06C3816AFBF8DAFD5A3D756365BB0FD020E6F084E759C1F7C99E4F" |
| 823 "55B9ACC667CEC477EB958C2AEEB3C6C19BA35A1AD30B35C51EB72040920000" |
| 824 "0000000000000000000000000000000000000000000000", buffer); |
| 825 |
| 826 AssignDecimalString(&bignum, "1234"); |
| 827 bignum.MultiplyByPowerOfTen(500); |
| 828 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 829 CHECK_EQ("96741A625EB5D7C91039FEB5C5ACD6D9831EDA5B083D800E6019442C8C8223" |
| 830 "3EAFB3501FE2058062221E15121334928880827DEE1EC337A8B26489F3A40A" |
| 831 "CB440A2423734472D10BFCE886F41B3AF9F9503013D86D088929CA86EEB4D8" |
| 832 "B9C831D0BD53327B994A0326227CFD0ECBF2EB48B02387AAE2D4CCCDF1F1A1" |
| 833 "B8CC4F1FA2C56AD40D0E4DAA9C28CDBF0A549098EA13200000000000000000" |
| 834 "00000000000000000000000000000000000000000000000000000000000000" |
| 835 "0000000000000000000000000000000000000000000000", buffer); |
| 836 |
| 837 AssignDecimalString(&bignum, "1234"); |
| 838 bignum.MultiplyByPowerOfTen(1000); |
| 839 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 840 CHECK_EQ("1258040F99B1CD1CC9819C676D413EA50E4A6A8F114BB0C65418C62D399B81" |
| 841 "6361466CA8E095193E1EE97173553597C96673AF67FAFE27A66E7EF2E5EF2E" |
| 842 "E3F5F5070CC17FE83BA53D40A66A666A02F9E00B0E11328D2224B8694C7372" |
| 843 "F3D536A0AD1985911BD361496F268E8B23112500EAF9B88A9BC67B2AB04D38" |
| 844 "7FEFACD00F5AF4F764F9ABC3ABCDE54612DE38CD90CB6647CA389EA0E86B16" |
| 845 "BF7A1F34086E05ADBE00BD1673BE00FAC4B34AF1091E8AD50BA675E0381440" |
| 846 "EA8E9D93E75D816BAB37C9844B1441C38FC65CF30ABB71B36433AF26DD97BD" |
| 847 "ABBA96C03B4919B8F3515B92826B85462833380DC193D79F69D20DD6038C99" |
| 848 "6114EF6C446F0BA28CC772ACBA58B81C04F8FFDE7B18C4E5A3ABC51E637FDF" |
| 849 "6E37FDFF04C940919390F4FF92000000000000000000000000000000000000" |
| 850 "00000000000000000000000000000000000000000000000000000000000000" |
| 851 "00000000000000000000000000000000000000000000000000000000000000" |
| 852 "00000000000000000000000000000000000000000000000000000000000000" |
| 853 "0000000000000000000000000000", buffer); |
| 854 |
| 855 Bignum bignum2; |
| 856 AssignHexString(&bignum2, "3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501" |
| 857 "DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17" |
| 858 "41A842FE2913F540F40796F2381155763502C58B15AF7A7F88" |
| 859 "6F744C9164FF409A28F7FA0C41F89ED79C1BE9F322C8578B97" |
| 860 "841F1CBAA17D901BE1230E3C00E1C643AF32638B5674E01FEA" |
| 861 "96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D" |
| 862 "CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6" |
| 863 "567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2" |
| 864 "C667A10958EA6D2"); |
| 865 CHECK(bignum2.ToHexString(buffer, kBufferSize)); |
| 866 CHECK_EQ("3DA774C07FB5DF54284D09C675A492165B830D5DAAEB2A7501" |
| 867 "DA17CF9DFA1CA2282269F92A25A97314296B717E3DCBB9FE17" |
| 868 "41A842FE2913F540F40796F2381155763502C58B15AF7A7F88" |
| 869 "6F744C9164FF409A28F7FA0C41F89ED79C1BE9F322C8578B97" |
| 870 "841F1CBAA17D901BE1230E3C00E1C643AF32638B5674E01FEA" |
| 871 "96FC90864E621B856A9E1CE56E6EB545B9C2F8F0CC10DDA88D" |
| 872 "CC6D282605F8DB67044F2DFD3695E7BA63877AE16701536AE6" |
| 873 "567C794D0BFE338DFBB42D92D4215AF3BB22BF0A8B283FDDC2" |
| 874 "C667A10958EA6D2", buffer); |
| 875 |
| 876 bignum.AssignBignum(bignum2); |
| 877 bignum.MultiplyByPowerOfTen(1); |
| 878 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 879 CHECK_EQ("2688A8F84FD1AB949930261C0986DB4DF931E85A8AD2FA8921284EE1C2BC51" |
| 880 "E55915823BBA5789E7EC99E326EEE69F543ECE890929DED9AC79489884BE57" |
| 881 "630AD569E121BB76ED8DAC8FB545A8AFDADF1F8860599AFC47A93B6346C191" |
| 882 "7237F5BD36B73EB29371F4A4EE7A116CB5E8E5808D1BEA4D7F7E3716090C13" |
| 883 "F29E5DDA53F0FD513362A2D20F6505314B9419DB967F8A8A89589FC43917C3" |
| 884 "BB892062B17CBE421DB0D47E34ACCCE060D422CFF60DCBD0277EE038BD509C" |
| 885 "7BC494D8D854F5B76696F927EA99BC00C4A5D7928434", buffer); |
| 886 |
| 887 bignum.AssignBignum(bignum2); |
| 888 bignum.MultiplyByPowerOfTen(2); |
| 889 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 890 CHECK_EQ("1815699B31E30B3CDFBE17D185F44910BBBF313896C3DC95B4B9314D19B5B32" |
| 891 "F57AD71655476B630F3E02DF855502394A74115A5BA2B480BCBCD5F52F6F69D" |
| 892 "E6C5622CB5152A54788BD9D14B896DE8CB73B53C3800DDACC9C51E0C38FAE76" |
| 893 "2F9964232872F9C2738E7150C4AE3F1B18F70583172706FAEE26DC5A78C77A2" |
| 894 "FAA874769E52C01DA5C3499F233ECF3C90293E0FB69695D763DAA3AEDA5535B" |
| 895 "43DAEEDF6E9528E84CEE0EC000C3C8495C1F9C89F6218AF4C23765261CD5ADD" |
| 896 "0787351992A01E5BB8F2A015807AE7A6BB92A08", buffer); |
| 897 |
| 898 bignum.AssignBignum(bignum2); |
| 899 bignum.MultiplyByPowerOfTen(5); |
| 900 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 901 CHECK_EQ("5E13A4863ADEE3E5C9FE8D0A73423D695D62D8450CED15A8C9F368952C6DC3" |
| 902 "F0EE7D82F3D1EFB7AF38A3B3920D410AFCAD563C8F5F39116E141A3C5C14B3" |
| 903 "58CD73077EA35AAD59F6E24AD98F10D5555ABBFBF33AC361EAF429FD5FBE94" |
| 904 "17DA9EF2F2956011F9F93646AA38048A681D984ED88127073443247CCC167C" |
| 905 "B354A32206EF5A733E73CF82D795A1AD598493211A6D613C39515E0E0F6304" |
| 906 "DCD9C810F3518C7F6A7CB6C81E99E02FCC65E8FDB7B7AE97306CC16A8631CE" |
| 907 "0A2AEF6568276BE4C176964A73C153FDE018E34CB4C2F40", buffer); |
| 908 |
| 909 bignum.AssignBignum(bignum2); |
| 910 bignum.MultiplyByPowerOfTen(10); |
| 911 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 912 CHECK_EQ("8F8CB8EB51945A7E815809F6121EF2F4E61EF3405CD9432CAD2709749EEAFD" |
| 913 "1B81E843F14A3667A7BDCCC9E0BB795F63CDFDB62844AC7438976C885A0116" |
| 914 "29607DA54F9C023CC366570B7637ED0F855D931752038A614922D0923E382C" |
| 915 "B8E5F6C975672DB76E0DE471937BB9EDB11E28874F1C122D5E1EF38CECE9D0" |
| 916 "0723056BCBD4F964192B76830634B1D322B7EB0062F3267E84F5C824343A77" |
| 917 "4B7DCEE6DD464F01EBDC8C671BB18BB4EF4300A42474A6C77243F2A12B03BF" |
| 918 "0443C38A1C0D2701EDB393135AE0DEC94211F9D4EB51F990800", buffer); |
| 919 |
| 920 bignum.AssignBignum(bignum2); |
| 921 bignum.MultiplyByPowerOfTen(50); |
| 922 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 923 CHECK_EQ("107A8BE345E24407372FC1DE442CBA696BC23C4FFD5B4BDFD9E5C39559815" |
| 924 "86628CF8472D2D589F2FC2BAD6E0816EC72CBF85CCA663D8A1EC6C51076D8" |
| 925 "2D247E6C26811B7EC4D4300FB1F91028DCB7B2C4E7A60C151161AA7E65E79" |
| 926 "B40917B12B2B5FBE7745984D4E8EFA31F9AE6062427B068B144A9CB155873" |
| 927 "E7C0C9F0115E5AC72DC5A73C4796DB970BF9205AB8C77A6996EB1B417F9D1" |
| 928 "6232431E6313C392203601B9C22CC10DDA88DCC6D282605F8DB67044F2DFD" |
| 929 "3695E7BA63877AE16701536AE6567C794D0BFE338DFBB42D924CF964BD2C0" |
| 930 "F586E03A2FCD35A408000000000000", buffer); |
| 931 |
| 932 bignum.AssignBignum(bignum2); |
| 933 bignum.MultiplyByPowerOfTen(100); |
| 934 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 935 CHECK_EQ("46784A90ACD0ED3E7759CC585FB32D36EB6034A6F78D92604E3BAA5ED3D8B" |
| 936 "6E60E854439BE448897FB4B7EA5A3D873AA0FCB3CFFD80D0530880E45F511" |
| 937 "722A50CE7E058B5A6F5464DB7500E34984EE3202A9441F44FA1554C0CEA96" |
| 938 "B438A36F25E7C9D56D71AE2CD313EC37534DA299AC0854FC48591A7CF3171" |
| 939 "31265AA4AE62DE32344CE7BEEEF894AE686A2DAAFE5D6D9A10971FFD9C064" |
| 940 "5079B209E1048F58B5192D41D84336AC4C8C489EEF00939CFC9D55C122036" |
| 941 "01B9C22CC10DDA88DCC6D282605F8DB67044F2DFD3695E7BA3F67B96D3A32" |
| 942 "E11FB5561B68744C4035B0800DC166D49D98E3FD1D5BB2000000000000000" |
| 943 "0000000000", buffer); |
| 944 |
| 945 bignum.AssignBignum(bignum2); |
| 946 bignum.MultiplyByPowerOfTen(200); |
| 947 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 948 CHECK_EQ("508BD351221DF139D72D88CDC0416845A53EE2D0E6B98352509A9AC312F8C" |
| 949 "6CB1A144889416201E0B6CE66EA3EBE259B5FD79ECFC1FD77963CE516CC7E" |
| 950 "2FE73D4B5B710C19F6BCB092C7A2FD76286543B8DBD2C596DFF2C896720BA" |
| 951 "DFF7BC9C366ACEA3A880AEC287C5E6207DF2739B5326FC19D773BD830B109" |
| 952 "ED36C7086544BF8FDB9D4B73719C2B5BC2F571A5937EC46876CD428281F6B" |
| 953 "F287E1E07F25C1B1D46BC37324FF657A8B2E0071DB83B86123CA34004F406" |
| 954 "001082D7945E90C6E8C9A9FEC2B44BE0DDA46E9F52B152E4D1336D2FCFBC9" |
| 955 "96E30CA0082256737365158FE36482AA7EB9DAF2AB128F10E7551A3CD5BE6" |
| 956 "0A922F3A7D5EED38B634A7EC95BCF7021BA6820A292000000000000000000" |
| 957 "00000000000000000000000000000000", buffer); |
| 958 |
| 959 bignum.AssignBignum(bignum2); |
| 960 bignum.MultiplyByPowerOfTen(500); |
| 961 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 962 CHECK_EQ("7845F900E475B5086885BAAAE67C8E85185ACFE4633727F82A4B06B5582AC" |
| 963 "BE933C53357DA0C98C20C5AC900C4D76A97247DF52B79F48F9E35840FB715" |
| 964 "D392CE303E22622B0CF82D9471B398457DD3196F639CEE8BBD2C146873841" |
| 965 "F0699E6C41F04FC7A54B48CEB995BEB6F50FE81DE9D87A8D7F849CC523553" |
| 966 "7B7BBBC1C7CAAFF6E9650BE03B308C6D31012AEF9580F70D3EE2083ADE126" |
| 967 "8940FA7D6308E239775DFD2F8C97FF7EBD525DAFA6512216F7047A62A93DC" |
| 968 "38A0165BDC67E250DCC96A0181DE935A70B38704DC71819F02FC5261FF7E1" |
| 969 "E5F11907678B0A3E519FF4C10A867B0C26CE02BE6960BA8621A87303C101C" |
| 970 "3F88798BB9F7739655946F8B5744E6B1EAF10B0C5621330F0079209033C69" |
| 971 "20DE2E2C8D324F0624463735D482BF291926C22A910F5B80FA25170B6B57D" |
| 972 "8D5928C7BCA3FE87461275F69BD5A1B83181DAAF43E05FC3C72C4E93111B6" |
| 973 "6205EBF49B28FEDFB7E7526CBDA658A332000000000000000000000000000" |
| 974 "0000000000000000000000000000000000000000000000000000000000000" |
| 975 "0000000000000000000000000000000000000", buffer); |
| 976 } |
| 977 |
| 978 |
| 979 TEST(DivideModuloIntBignum) { |
| 980 char buffer[kBufferSize]; |
| 981 Bignum bignum; |
| 982 Bignum other; |
| 983 Bignum third; |
| 984 |
| 985 bignum.AssignUInt16(10); |
| 986 other.AssignUInt16(2); |
| 987 CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); |
| 988 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 989 CHECK_EQ("0", buffer); |
| 990 |
| 991 bignum.AssignUInt16(10); |
| 992 bignum.ShiftLeft(500); |
| 993 other.AssignUInt16(2); |
| 994 other.ShiftLeft(500); |
| 995 CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); |
| 996 CHECK_EQ("0", buffer); |
| 997 |
| 998 bignum.AssignUInt16(11); |
| 999 other.AssignUInt16(2); |
| 1000 CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); |
| 1001 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1002 CHECK_EQ("1", buffer); |
| 1003 |
| 1004 bignum.AssignUInt16(10); |
| 1005 bignum.ShiftLeft(500); |
| 1006 other.AssignUInt16(1); |
| 1007 bignum.AddBignum(other); |
| 1008 other.AssignUInt16(2); |
| 1009 other.ShiftLeft(500); |
| 1010 CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); |
| 1011 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1012 CHECK_EQ("1", buffer); |
| 1013 |
| 1014 bignum.AssignUInt16(10); |
| 1015 bignum.ShiftLeft(500); |
| 1016 other.AssignBignum(bignum); |
| 1017 bignum.MultiplyByUInt32(0x1234); |
| 1018 third.AssignUInt16(0xFFF); |
| 1019 bignum.AddBignum(third); |
| 1020 CHECK_EQ(0x1234, bignum.DivideModuloIntBignum(other)); |
| 1021 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1022 CHECK_EQ("FFF", buffer); |
| 1023 |
| 1024 bignum.AssignUInt16(10); |
| 1025 AssignHexString(&other, "1234567890"); |
| 1026 CHECK_EQ(0, bignum.DivideModuloIntBignum(other)); |
| 1027 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1028 CHECK_EQ("A", buffer); |
| 1029 |
| 1030 AssignHexString(&bignum, "12345678"); |
| 1031 AssignHexString(&other, "3789012"); |
| 1032 CHECK_EQ(5, bignum.DivideModuloIntBignum(other)); |
| 1033 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1034 CHECK_EQ("D9861E", buffer); |
| 1035 |
| 1036 AssignHexString(&bignum, "70000001"); |
| 1037 AssignHexString(&other, "1FFFFFFF"); |
| 1038 CHECK_EQ(3, bignum.DivideModuloIntBignum(other)); |
| 1039 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1040 CHECK_EQ("10000004", buffer); |
| 1041 |
| 1042 AssignHexString(&bignum, "28000000"); |
| 1043 AssignHexString(&other, "12A05F20"); |
| 1044 CHECK_EQ(2, bignum.DivideModuloIntBignum(other)); |
| 1045 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1046 CHECK_EQ("2BF41C0", buffer); |
| 1047 |
| 1048 bignum.AssignUInt16(10); |
| 1049 bignum.ShiftLeft(500); |
| 1050 other.AssignBignum(bignum); |
| 1051 bignum.MultiplyByUInt32(0x1234); |
| 1052 third.AssignUInt16(0xFFF); |
| 1053 other.SubtractBignum(third); |
| 1054 CHECK_EQ(0x1234, bignum.DivideModuloIntBignum(other)); |
| 1055 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1056 CHECK_EQ("1232DCC", buffer); |
| 1057 CHECK_EQ(0, bignum.DivideModuloIntBignum(other)); |
| 1058 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1059 CHECK_EQ("1232DCC", buffer); |
| 1060 } |
| 1061 |
| 1062 |
| 1063 TEST(Compare) { |
| 1064 Bignum bignum1; |
| 1065 Bignum bignum2; |
| 1066 bignum1.AssignUInt16(1); |
| 1067 bignum2.AssignUInt16(1); |
| 1068 CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); |
| 1069 CHECK(Bignum::Equal(bignum1, bignum2)); |
| 1070 CHECK(Bignum::LessEqual(bignum1, bignum2)); |
| 1071 CHECK(!Bignum::Less(bignum1, bignum2)); |
| 1072 |
| 1073 bignum1.AssignUInt16(0); |
| 1074 bignum2.AssignUInt16(1); |
| 1075 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1076 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1077 CHECK(!Bignum::Equal(bignum1, bignum2)); |
| 1078 CHECK(!Bignum::Equal(bignum2, bignum1)); |
| 1079 CHECK(Bignum::LessEqual(bignum1, bignum2)); |
| 1080 CHECK(!Bignum::LessEqual(bignum2, bignum1)); |
| 1081 CHECK(Bignum::Less(bignum1, bignum2)); |
| 1082 CHECK(!Bignum::Less(bignum2, bignum1)); |
| 1083 |
| 1084 AssignHexString(&bignum1, "1234567890ABCDEF12345"); |
| 1085 AssignHexString(&bignum2, "1234567890ABCDEF12345"); |
| 1086 CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); |
| 1087 |
| 1088 AssignHexString(&bignum1, "1234567890ABCDEF12345"); |
| 1089 AssignHexString(&bignum2, "1234567890ABCDEF12346"); |
| 1090 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1091 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1092 |
| 1093 AssignHexString(&bignum1, "1234567890ABCDEF12345"); |
| 1094 bignum1.ShiftLeft(500); |
| 1095 AssignHexString(&bignum2, "1234567890ABCDEF12345"); |
| 1096 bignum2.ShiftLeft(500); |
| 1097 CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); |
| 1098 |
| 1099 AssignHexString(&bignum1, "1234567890ABCDEF12345"); |
| 1100 bignum1.ShiftLeft(500); |
| 1101 AssignHexString(&bignum2, "1234567890ABCDEF12346"); |
| 1102 bignum2.ShiftLeft(500); |
| 1103 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1104 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1105 |
| 1106 bignum1.AssignUInt16(1); |
| 1107 bignum1.ShiftLeft(64); |
| 1108 AssignHexString(&bignum2, "10000000000000000"); |
| 1109 CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); |
| 1110 CHECK_EQ(0, Bignum::Compare(bignum2, bignum1)); |
| 1111 |
| 1112 bignum1.AssignUInt16(1); |
| 1113 bignum1.ShiftLeft(64); |
| 1114 AssignHexString(&bignum2, "10000000000000001"); |
| 1115 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1116 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1117 |
| 1118 bignum1.AssignUInt16(1); |
| 1119 bignum1.ShiftLeft(96); |
| 1120 AssignHexString(&bignum2, "10000000000000001"); |
| 1121 bignum2.ShiftLeft(32); |
| 1122 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1123 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1124 |
| 1125 AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); |
| 1126 bignum2.AssignUInt16(1); |
| 1127 bignum2.ShiftLeft(64); |
| 1128 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1129 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1130 |
| 1131 AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); |
| 1132 bignum1.ShiftLeft(32); |
| 1133 bignum2.AssignUInt16(1); |
| 1134 bignum2.ShiftLeft(96); |
| 1135 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1136 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1137 |
| 1138 AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); |
| 1139 bignum1.ShiftLeft(32); |
| 1140 bignum2.AssignUInt16(1); |
| 1141 bignum2.ShiftLeft(95); |
| 1142 CHECK_EQ(+1, Bignum::Compare(bignum1, bignum2)); |
| 1143 CHECK_EQ(-1, Bignum::Compare(bignum2, bignum1)); |
| 1144 |
| 1145 AssignHexString(&bignum1, "FFFFFFFFFFFFFFFF"); |
| 1146 bignum1.ShiftLeft(32); |
| 1147 bignum2.AssignUInt16(1); |
| 1148 bignum2.ShiftLeft(100); |
| 1149 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1150 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1151 |
| 1152 AssignHexString(&bignum1, "100000000000000"); |
| 1153 bignum2.AssignUInt16(1); |
| 1154 bignum2.ShiftLeft(14*4); |
| 1155 CHECK_EQ(0, Bignum::Compare(bignum1, bignum2)); |
| 1156 CHECK_EQ(0, Bignum::Compare(bignum2, bignum1)); |
| 1157 |
| 1158 AssignHexString(&bignum1, "100000000000001"); |
| 1159 bignum2.AssignUInt16(1); |
| 1160 bignum2.ShiftLeft(14*4); |
| 1161 CHECK_EQ(+1, Bignum::Compare(bignum1, bignum2)); |
| 1162 CHECK_EQ(-1, Bignum::Compare(bignum2, bignum1)); |
| 1163 |
| 1164 AssignHexString(&bignum1, "200000000000000"); |
| 1165 bignum2.AssignUInt16(3); |
| 1166 bignum2.ShiftLeft(14*4); |
| 1167 CHECK_EQ(-1, Bignum::Compare(bignum1, bignum2)); |
| 1168 CHECK_EQ(+1, Bignum::Compare(bignum2, bignum1)); |
| 1169 } |
| 1170 |
| 1171 |
| 1172 TEST(PlusCompare) { |
| 1173 Bignum a; |
| 1174 Bignum b; |
| 1175 Bignum c; |
| 1176 a.AssignUInt16(1); |
| 1177 b.AssignUInt16(0); |
| 1178 c.AssignUInt16(1); |
| 1179 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1180 CHECK(Bignum::PlusEqual(a, b, c)); |
| 1181 CHECK(Bignum::PlusLessEqual(a, b, c)); |
| 1182 CHECK(!Bignum::PlusLess(a, b, c)); |
| 1183 |
| 1184 a.AssignUInt16(0); |
| 1185 b.AssignUInt16(0); |
| 1186 c.AssignUInt16(1); |
| 1187 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1188 CHECK_EQ(+1, Bignum::PlusCompare(c, b, a)); |
| 1189 CHECK(!Bignum::PlusEqual(a, b, c)); |
| 1190 CHECK(!Bignum::PlusEqual(c, b, a)); |
| 1191 CHECK(Bignum::PlusLessEqual(a, b, c)); |
| 1192 CHECK(!Bignum::PlusLessEqual(c, b, a)); |
| 1193 CHECK(Bignum::PlusLess(a, b, c)); |
| 1194 CHECK(!Bignum::PlusLess(c, b, a)); |
| 1195 |
| 1196 AssignHexString(&a, "1234567890ABCDEF12345"); |
| 1197 b.AssignUInt16(1); |
| 1198 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1199 CHECK_EQ(+1, Bignum::PlusCompare(a, b, c)); |
| 1200 |
| 1201 AssignHexString(&a, "1234567890ABCDEF12344"); |
| 1202 b.AssignUInt16(1); |
| 1203 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1204 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1205 |
| 1206 AssignHexString(&a, "1234567890"); |
| 1207 a.ShiftLeft(11*4); |
| 1208 AssignHexString(&b, "ABCDEF12345"); |
| 1209 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1210 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1211 |
| 1212 AssignHexString(&a, "1234567890"); |
| 1213 a.ShiftLeft(11*4); |
| 1214 AssignHexString(&b, "ABCDEF12344"); |
| 1215 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1216 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1217 |
| 1218 AssignHexString(&a, "1234567890"); |
| 1219 a.ShiftLeft(11*4); |
| 1220 AssignHexString(&b, "ABCDEF12346"); |
| 1221 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1222 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1223 |
| 1224 AssignHexString(&a, "1234567891"); |
| 1225 a.ShiftLeft(11*4); |
| 1226 AssignHexString(&b, "ABCDEF12345"); |
| 1227 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1228 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1229 |
| 1230 AssignHexString(&a, "1234567889"); |
| 1231 a.ShiftLeft(11*4); |
| 1232 AssignHexString(&b, "ABCDEF12345"); |
| 1233 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1234 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1235 |
| 1236 AssignHexString(&a, "1234567890"); |
| 1237 a.ShiftLeft(11*4 + 32); |
| 1238 AssignHexString(&b, "ABCDEF12345"); |
| 1239 b.ShiftLeft(32); |
| 1240 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1241 c.ShiftLeft(32); |
| 1242 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1243 |
| 1244 AssignHexString(&a, "1234567890"); |
| 1245 a.ShiftLeft(11*4 + 32); |
| 1246 AssignHexString(&b, "ABCDEF12344"); |
| 1247 b.ShiftLeft(32); |
| 1248 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1249 c.ShiftLeft(32); |
| 1250 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1251 |
| 1252 AssignHexString(&a, "1234567890"); |
| 1253 a.ShiftLeft(11*4 + 32); |
| 1254 AssignHexString(&b, "ABCDEF12346"); |
| 1255 b.ShiftLeft(32); |
| 1256 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1257 c.ShiftLeft(32); |
| 1258 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1259 |
| 1260 AssignHexString(&a, "1234567891"); |
| 1261 a.ShiftLeft(11*4 + 32); |
| 1262 AssignHexString(&b, "ABCDEF12345"); |
| 1263 b.ShiftLeft(32); |
| 1264 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1265 c.ShiftLeft(32); |
| 1266 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1267 |
| 1268 AssignHexString(&a, "1234567889"); |
| 1269 a.ShiftLeft(11*4 + 32); |
| 1270 AssignHexString(&b, "ABCDEF12345"); |
| 1271 b.ShiftLeft(32); |
| 1272 AssignHexString(&c, "1234567890ABCDEF12345"); |
| 1273 c.ShiftLeft(32); |
| 1274 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1275 |
| 1276 AssignHexString(&a, "1234567890"); |
| 1277 a.ShiftLeft(11*4 + 32); |
| 1278 AssignHexString(&b, "ABCDEF12345"); |
| 1279 b.ShiftLeft(32); |
| 1280 AssignHexString(&c, "1234567890ABCDEF1234500000000"); |
| 1281 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1282 |
| 1283 AssignHexString(&a, "1234567890"); |
| 1284 a.ShiftLeft(11*4 + 32); |
| 1285 AssignHexString(&b, "ABCDEF12344"); |
| 1286 b.ShiftLeft(32); |
| 1287 AssignHexString(&c, "1234567890ABCDEF1234500000000"); |
| 1288 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1289 |
| 1290 AssignHexString(&a, "1234567890"); |
| 1291 a.ShiftLeft(11*4 + 32); |
| 1292 AssignHexString(&b, "ABCDEF12346"); |
| 1293 b.ShiftLeft(32); |
| 1294 AssignHexString(&c, "1234567890ABCDEF1234500000000"); |
| 1295 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1296 |
| 1297 AssignHexString(&a, "1234567891"); |
| 1298 a.ShiftLeft(11*4 + 32); |
| 1299 AssignHexString(&b, "ABCDEF12345"); |
| 1300 b.ShiftLeft(32); |
| 1301 AssignHexString(&c, "1234567890ABCDEF1234500000000"); |
| 1302 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1303 |
| 1304 AssignHexString(&a, "1234567889"); |
| 1305 a.ShiftLeft(11*4 + 32); |
| 1306 AssignHexString(&b, "ABCDEF12345"); |
| 1307 b.ShiftLeft(32); |
| 1308 AssignHexString(&c, "1234567890ABCDEF1234500000000"); |
| 1309 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1310 |
| 1311 AssignHexString(&a, "1234567890"); |
| 1312 a.ShiftLeft(11*4 + 32); |
| 1313 AssignHexString(&b, "ABCDEF12345"); |
| 1314 AssignHexString(&c, "123456789000000000ABCDEF12345"); |
| 1315 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1316 |
| 1317 AssignHexString(&a, "1234567890"); |
| 1318 a.ShiftLeft(11*4 + 32); |
| 1319 AssignHexString(&b, "ABCDEF12346"); |
| 1320 AssignHexString(&c, "123456789000000000ABCDEF12345"); |
| 1321 CHECK_EQ(1, Bignum::PlusCompare(a, b, c)); |
| 1322 |
| 1323 AssignHexString(&a, "1234567890"); |
| 1324 a.ShiftLeft(11*4 + 32); |
| 1325 AssignHexString(&b, "ABCDEF12344"); |
| 1326 AssignHexString(&c, "123456789000000000ABCDEF12345"); |
| 1327 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1328 |
| 1329 AssignHexString(&a, "1234567890"); |
| 1330 a.ShiftLeft(11*4 + 32); |
| 1331 AssignHexString(&b, "ABCDEF12345"); |
| 1332 b.ShiftLeft(16); |
| 1333 AssignHexString(&c, "12345678900000ABCDEF123450000"); |
| 1334 CHECK_EQ(0, Bignum::PlusCompare(a, b, c)); |
| 1335 |
| 1336 AssignHexString(&a, "1234567890"); |
| 1337 a.ShiftLeft(11*4 + 32); |
| 1338 AssignHexString(&b, "ABCDEF12344"); |
| 1339 b.ShiftLeft(16); |
| 1340 AssignHexString(&c, "12345678900000ABCDEF123450000"); |
| 1341 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1342 |
| 1343 AssignHexString(&a, "1234567890"); |
| 1344 a.ShiftLeft(11*4 + 32); |
| 1345 AssignHexString(&b, "ABCDEF12345"); |
| 1346 b.ShiftLeft(16); |
| 1347 AssignHexString(&c, "12345678900000ABCDEF123450001"); |
| 1348 CHECK_EQ(-1, Bignum::PlusCompare(a, b, c)); |
| 1349 |
| 1350 AssignHexString(&a, "1234567890"); |
| 1351 a.ShiftLeft(11*4 + 32); |
| 1352 AssignHexString(&b, "ABCDEF12346"); |
| 1353 b.ShiftLeft(16); |
| 1354 AssignHexString(&c, "12345678900000ABCDEF123450000"); |
| 1355 CHECK_EQ(+1, Bignum::PlusCompare(a, b, c)); |
| 1356 } |
| 1357 |
| 1358 |
| 1359 TEST(Square) { |
| 1360 Bignum bignum; |
| 1361 char buffer[kBufferSize]; |
| 1362 |
| 1363 bignum.AssignUInt16(1); |
| 1364 bignum.Square(); |
| 1365 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1366 CHECK_EQ("1", buffer); |
| 1367 |
| 1368 bignum.AssignUInt16(2); |
| 1369 bignum.Square(); |
| 1370 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1371 CHECK_EQ("4", buffer); |
| 1372 |
| 1373 bignum.AssignUInt16(10); |
| 1374 bignum.Square(); |
| 1375 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1376 CHECK_EQ("64", buffer); |
| 1377 |
| 1378 AssignHexString(&bignum, "FFFFFFF"); |
| 1379 bignum.Square(); |
| 1380 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1381 CHECK_EQ("FFFFFFE0000001", buffer); |
| 1382 |
| 1383 AssignHexString(&bignum, "FFFFFFFFFFFFFF"); |
| 1384 bignum.Square(); |
| 1385 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1386 CHECK_EQ("FFFFFFFFFFFFFE00000000000001", buffer); |
| 1387 } |
| 1388 |
| 1389 |
| 1390 TEST(AssignPowerUInt16) { |
| 1391 Bignum bignum; |
| 1392 char buffer[kBufferSize]; |
| 1393 |
| 1394 bignum.AssignPowerUInt16(1, 0); |
| 1395 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1396 CHECK_EQ("1", buffer); |
| 1397 |
| 1398 bignum.AssignPowerUInt16(1, 1); |
| 1399 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1400 CHECK_EQ("1", buffer); |
| 1401 |
| 1402 bignum.AssignPowerUInt16(1, 2); |
| 1403 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1404 CHECK_EQ("1", buffer); |
| 1405 |
| 1406 bignum.AssignPowerUInt16(2, 0); |
| 1407 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1408 CHECK_EQ("1", buffer); |
| 1409 |
| 1410 bignum.AssignPowerUInt16(2, 1); |
| 1411 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1412 CHECK_EQ("2", buffer); |
| 1413 |
| 1414 bignum.AssignPowerUInt16(2, 2); |
| 1415 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1416 CHECK_EQ("4", buffer); |
| 1417 |
| 1418 bignum.AssignPowerUInt16(16, 1); |
| 1419 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1420 CHECK_EQ("10", buffer); |
| 1421 |
| 1422 bignum.AssignPowerUInt16(16, 2); |
| 1423 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1424 CHECK_EQ("100", buffer); |
| 1425 |
| 1426 bignum.AssignPowerUInt16(16, 5); |
| 1427 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1428 CHECK_EQ("100000", buffer); |
| 1429 |
| 1430 bignum.AssignPowerUInt16(16, 8); |
| 1431 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1432 CHECK_EQ("100000000", buffer); |
| 1433 |
| 1434 bignum.AssignPowerUInt16(16, 16); |
| 1435 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1436 CHECK_EQ("10000000000000000", buffer); |
| 1437 |
| 1438 bignum.AssignPowerUInt16(16, 30); |
| 1439 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1440 CHECK_EQ("1000000000000000000000000000000", buffer); |
| 1441 |
| 1442 bignum.AssignPowerUInt16(10, 0); |
| 1443 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1444 CHECK_EQ("1", buffer); |
| 1445 |
| 1446 bignum.AssignPowerUInt16(10, 1); |
| 1447 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1448 CHECK_EQ("A", buffer); |
| 1449 |
| 1450 bignum.AssignPowerUInt16(10, 2); |
| 1451 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1452 CHECK_EQ("64", buffer); |
| 1453 |
| 1454 bignum.AssignPowerUInt16(10, 5); |
| 1455 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1456 CHECK_EQ("186A0", buffer); |
| 1457 |
| 1458 bignum.AssignPowerUInt16(10, 8); |
| 1459 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1460 CHECK_EQ("5F5E100", buffer); |
| 1461 |
| 1462 bignum.AssignPowerUInt16(10, 16); |
| 1463 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1464 CHECK_EQ("2386F26FC10000", buffer); |
| 1465 |
| 1466 bignum.AssignPowerUInt16(10, 30); |
| 1467 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1468 CHECK_EQ("C9F2C9CD04674EDEA40000000", buffer); |
| 1469 |
| 1470 bignum.AssignPowerUInt16(10, 31); |
| 1471 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1472 CHECK_EQ("7E37BE2022C0914B2680000000", buffer); |
| 1473 |
| 1474 bignum.AssignPowerUInt16(2, 0); |
| 1475 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1476 CHECK_EQ("1", buffer); |
| 1477 |
| 1478 bignum.AssignPowerUInt16(2, 100); |
| 1479 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1480 CHECK_EQ("10000000000000000000000000", buffer); |
| 1481 |
| 1482 bignum.AssignPowerUInt16(17, 0); |
| 1483 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1484 CHECK_EQ("1", buffer); |
| 1485 |
| 1486 bignum.AssignPowerUInt16(17, 99); |
| 1487 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1488 CHECK_EQ("1942BB9853FAD924A3D4DD92B89B940E0207BEF05DB9C26BC1B757" |
| 1489 "80BE0C5A2C2990E02A681224F34ED68558CE4C6E33760931", |
| 1490 buffer); |
| 1491 |
| 1492 bignum.AssignPowerUInt16(0xFFFF, 99); |
| 1493 CHECK(bignum.ToHexString(buffer, kBufferSize)); |
| 1494 CHECK_EQ("FF9D12F09B886C54E77E7439C7D2DED2D34F669654C0C2B6B8C288250" |
| 1495 "5A2211D0E3DC9A61831349EAE674B11D56E3049D7BD79DAAD6C9FA2BA" |
| 1496 "528E3A794299F2EE9146A324DAFE3E88967A0358233B543E233E575B9" |
| 1497 "DD4E3AA7942146426C328FF55BFD5C45E0901B1629260AF9AE2F310C5" |
| 1498 "50959FAF305C30116D537D80CF6EBDBC15C5694062AF1AC3D956D0A41" |
| 1499 "B7E1B79FF11E21D83387A1CE1F5882B31E4B5D8DE415BDBE6854466DF" |
| 1500 "343362267A7E8833119D31D02E18DB5B0E8F6A64B0ED0D0062FFFF", |
| 1501 buffer); |
| 1502 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 4060001:
Bignum implementation of Strtod. (Closed)
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge