ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 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 | } |