The Tor Browser / file comparison
comparison: toolkit/crashreporter/google-breakpad/src/common/byte_cursor_unittest.cc
toolkit/crashreporter/google-breakpad/src/common/byte_cursor_unittest.cc
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:745a4f054509 |
|---|---|
| 1 // Copyright (c) 2010 Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> | |
| 31 | |
| 32 // byte_cursor_unittest.cc: Unit tests for google_breakpad::ByteBuffer | |
| 33 // and google_breakpad::ByteCursor. | |
| 34 | |
| 35 #include <string> | |
| 36 | |
| 37 #include <string.h> | |
| 38 | |
| 39 #include "breakpad_googletest_includes.h" | |
| 40 #include "common/byte_cursor.h" | |
| 41 #include "common/using_std_string.h" | |
| 42 | |
| 43 using google_breakpad::ByteBuffer; | |
| 44 using google_breakpad::ByteCursor; | |
| 45 | |
| 46 TEST(Buffer, SizeOfNothing) { | |
| 47 uint8_t data[1]; | |
| 48 ByteBuffer buffer(data, 0); | |
| 49 EXPECT_EQ(0U, buffer.Size()); | |
| 50 } | |
| 51 | |
| 52 TEST(Buffer, SizeOfSomething) { | |
| 53 uint8_t data[10]; | |
| 54 ByteBuffer buffer(data, sizeof(data)); | |
| 55 EXPECT_EQ(10U, buffer.Size()); | |
| 56 } | |
| 57 | |
| 58 TEST(Extent, AvailableEmpty) { | |
| 59 uint8_t data[1]; | |
| 60 ByteBuffer buffer(data, 0); | |
| 61 ByteCursor cursor(&buffer); | |
| 62 EXPECT_EQ(0U, cursor.Available()); | |
| 63 } | |
| 64 | |
| 65 TEST(Extent, AtEndEmpty) { | |
| 66 uint8_t data[1]; | |
| 67 ByteBuffer buffer(data, 0); | |
| 68 ByteCursor cursor(&buffer); | |
| 69 EXPECT_TRUE(cursor.AtEnd()); | |
| 70 } | |
| 71 | |
| 72 TEST(Extent, AsBoolEmpty) { | |
| 73 uint8_t data[1]; | |
| 74 ByteBuffer buffer(data, 0); | |
| 75 ByteCursor cursor(&buffer); | |
| 76 EXPECT_TRUE(cursor); | |
| 77 } | |
| 78 | |
| 79 TEST(Extent, AvailableSome) { | |
| 80 uint8_t data[10]; | |
| 81 ByteBuffer buffer(data, sizeof(data)); | |
| 82 ByteCursor cursor(&buffer); | |
| 83 EXPECT_EQ(10U, cursor.Available()); | |
| 84 } | |
| 85 | |
| 86 TEST(Extent, AtEndSome) { | |
| 87 uint8_t data[10]; | |
| 88 ByteBuffer buffer(data, sizeof(data)); | |
| 89 ByteCursor cursor(&buffer); | |
| 90 EXPECT_FALSE(cursor.AtEnd()); | |
| 91 EXPECT_TRUE(cursor.Skip(sizeof(data)).AtEnd()); | |
| 92 } | |
| 93 | |
| 94 TEST(Extent, AsBoolSome) { | |
| 95 uint8_t data[10]; | |
| 96 ByteBuffer buffer(data, sizeof(data)); | |
| 97 ByteCursor cursor(&buffer); | |
| 98 EXPECT_TRUE(cursor); | |
| 99 EXPECT_TRUE(cursor.Skip(sizeof(data))); | |
| 100 EXPECT_FALSE(cursor.Skip(1)); | |
| 101 } | |
| 102 | |
| 103 TEST(Extent, Cursor) { | |
| 104 uint8_t data[] = { 0xf7, | |
| 105 0x9f, 0xbe, | |
| 106 0x67, 0xfb, 0xd3, 0x58, | |
| 107 0x6f, 0x36, 0xde, 0xd1, | |
| 108 0x2a, 0x2a, 0x2a }; | |
| 109 ByteBuffer buffer(data, sizeof(data)); | |
| 110 ByteCursor cursor(&buffer); | |
| 111 | |
| 112 uint8_t a; | |
| 113 uint16_t b; | |
| 114 uint32_t c; | |
| 115 uint32_t d; | |
| 116 uint8_t stars[3]; | |
| 117 | |
| 118 EXPECT_EQ(data + 0U, cursor.here()); | |
| 119 | |
| 120 EXPECT_TRUE(cursor >> a); | |
| 121 EXPECT_EQ(data + 1U, cursor.here()); | |
| 122 | |
| 123 EXPECT_TRUE(cursor >> b); | |
| 124 EXPECT_EQ(data + 3U, cursor.here()); | |
| 125 | |
| 126 EXPECT_TRUE(cursor >> c); | |
| 127 EXPECT_EQ(data + 7U, cursor.here()); | |
| 128 | |
| 129 EXPECT_TRUE(cursor.Skip(4)); | |
| 130 EXPECT_EQ(data + 11U, cursor.here()); | |
| 131 | |
| 132 EXPECT_TRUE(cursor.Read(stars, 3)); | |
| 133 EXPECT_EQ(data + 14U, cursor.here()); | |
| 134 | |
| 135 EXPECT_FALSE(cursor >> d); | |
| 136 EXPECT_EQ(data + 14U, cursor.here()); | |
| 137 } | |
| 138 | |
| 139 TEST(Extent, SetOffset) { | |
| 140 uint8_t data[] = { 0x5c, 0x79, 0x8c, 0xd5 }; | |
| 141 ByteBuffer buffer(data, sizeof(data)); | |
| 142 ByteCursor cursor(&buffer); | |
| 143 | |
| 144 uint8_t a, b, c, d, e; | |
| 145 EXPECT_TRUE(cursor >> a); | |
| 146 EXPECT_EQ(0x5cU, a); | |
| 147 EXPECT_EQ(data + 1U, cursor.here()); | |
| 148 EXPECT_TRUE(((cursor >> b).set_here(data + 3) >> c).set_here(data + 1) | |
| 149 >> d >> e); | |
| 150 EXPECT_EQ(0x79U, b); | |
| 151 EXPECT_EQ(0xd5U, c); | |
| 152 EXPECT_EQ(0x79U, d); | |
| 153 EXPECT_EQ(0x8cU, e); | |
| 154 EXPECT_EQ(data + 3U, cursor.here()); | |
| 155 } | |
| 156 | |
| 157 TEST(BigEndian, Signed1) { | |
| 158 uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; | |
| 159 ByteBuffer buffer(data, sizeof(data)); | |
| 160 ByteCursor cursor(&buffer); | |
| 161 cursor.set_big_endian(true); | |
| 162 int a, b, c, d, e; | |
| 163 ASSERT_TRUE(cursor | |
| 164 .Read(1, true, &a) | |
| 165 .Read(1, true, &b) | |
| 166 .Read(1, true, &c) | |
| 167 .Read(1, true, &d)); | |
| 168 EXPECT_EQ(0, a); | |
| 169 EXPECT_EQ(0x7f, b); | |
| 170 EXPECT_EQ(-0x80, c); | |
| 171 EXPECT_EQ(-1, d); | |
| 172 EXPECT_TRUE(cursor.AtEnd()); | |
| 173 EXPECT_FALSE(cursor.Read(1, true, &e)); | |
| 174 } | |
| 175 | |
| 176 TEST(BigEndian, Signed2) { | |
| 177 uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, | |
| 178 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, | |
| 179 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; | |
| 180 ByteBuffer buffer(data, sizeof(data)); | |
| 181 ByteCursor cursor(&buffer, true); | |
| 182 int a, b, c, d, e, f, g, h, i, j; | |
| 183 ASSERT_TRUE(cursor | |
| 184 .Read(2, true, &a) | |
| 185 .Read(2, true, &b) | |
| 186 .Read(2, true, &c) | |
| 187 .Read(2, true, &d) | |
| 188 .Read(2, true, &e) | |
| 189 .Read(2, true, &f) | |
| 190 .Read(2, true, &g) | |
| 191 .Read(2, true, &h) | |
| 192 .Read(2, true, &i)); | |
| 193 EXPECT_EQ(0, a); | |
| 194 EXPECT_EQ(0x80, b); | |
| 195 EXPECT_EQ(0x7fff, c); | |
| 196 EXPECT_EQ(-0x8000, d); | |
| 197 EXPECT_EQ(-0x7f80, e); | |
| 198 EXPECT_EQ(-1, f); | |
| 199 EXPECT_EQ(0x39f1, g); | |
| 200 EXPECT_EQ(-0x7544, h); | |
| 201 EXPECT_EQ(0x5aec, i); | |
| 202 EXPECT_TRUE(cursor.AtEnd()); | |
| 203 EXPECT_FALSE(cursor.Read(2, true, &j)); | |
| 204 } | |
| 205 | |
| 206 TEST(BigEndian, Signed4) { | |
| 207 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, | |
| 208 0x7f, 0xff, 0xff, 0xff, | |
| 209 0x80, 0x00, 0x00, 0x00, | |
| 210 0xff, 0xff, 0xff, 0xff, | |
| 211 0xb6, 0xb1, 0xff, 0xef, | |
| 212 0x19, 0x6a, 0xca, 0x46 }; | |
| 213 ByteBuffer buffer(data, sizeof(data)); | |
| 214 ByteCursor cursor(&buffer); | |
| 215 cursor.set_big_endian(true); | |
| 216 int64_t a, b, c, d, e, f, g; | |
| 217 ASSERT_TRUE(cursor | |
| 218 .Read(4, true, &a) | |
| 219 .Read(4, true, &b) | |
| 220 .Read(4, true, &c) | |
| 221 .Read(4, true, &d) | |
| 222 .Read(4, true, &e) | |
| 223 .Read(4, true, &f)); | |
| 224 EXPECT_EQ(0, a); | |
| 225 EXPECT_EQ(0x7fffffff, b); | |
| 226 EXPECT_EQ(-0x80000000LL, c); | |
| 227 EXPECT_EQ(-1, d); | |
| 228 EXPECT_EQ((int32_t) 0xb6b1ffef, e); | |
| 229 EXPECT_EQ(0x196aca46, f); | |
| 230 EXPECT_TRUE(cursor.AtEnd()); | |
| 231 EXPECT_FALSE(cursor.Read(4, true, &g)); | |
| 232 } | |
| 233 | |
| 234 TEST(BigEndian, Signed8) { | |
| 235 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 236 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 237 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 238 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 239 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, | |
| 240 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; | |
| 241 ByteBuffer buffer(data, sizeof(data)); | |
| 242 ByteCursor cursor(&buffer, true); | |
| 243 int64_t a, b, c, d, e, f, g; | |
| 244 ASSERT_TRUE(cursor | |
| 245 .Read(8, true, &a) | |
| 246 .Read(8, true, &b) | |
| 247 .Read(8, true, &c) | |
| 248 .Read(8, true, &d) | |
| 249 .Read(8, true, &e) | |
| 250 .Read(8, true, &f)); | |
| 251 EXPECT_EQ(0, a); | |
| 252 EXPECT_EQ(0x7fffffffffffffffLL, b); | |
| 253 EXPECT_EQ(-0x7fffffffffffffffLL - 1, c); | |
| 254 EXPECT_EQ(-1, d); | |
| 255 EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e); | |
| 256 EXPECT_EQ(0x4e4249d27f8414a4LL, f); | |
| 257 EXPECT_TRUE(cursor.AtEnd()); | |
| 258 EXPECT_FALSE(cursor.Read(8, true, &g)); | |
| 259 } | |
| 260 | |
| 261 TEST(BigEndian, Unsigned1) { | |
| 262 uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; | |
| 263 ByteBuffer buffer(data, sizeof(data)); | |
| 264 ByteCursor cursor(&buffer); | |
| 265 cursor.set_big_endian(true); | |
| 266 int32_t a, b, c, d, e; | |
| 267 ASSERT_TRUE(cursor | |
| 268 .Read(1, false, &a) | |
| 269 .Read(1, false, &b) | |
| 270 .Read(1, false, &c) | |
| 271 .Read(1, false, &d)); | |
| 272 EXPECT_EQ(0, a); | |
| 273 EXPECT_EQ(0x7f, b); | |
| 274 EXPECT_EQ(0x80, c); | |
| 275 EXPECT_EQ(0xff, d); | |
| 276 EXPECT_TRUE(cursor.AtEnd()); | |
| 277 EXPECT_FALSE(cursor.Read(1, false, &e)); | |
| 278 } | |
| 279 | |
| 280 TEST(BigEndian, Unsigned2) { | |
| 281 uint8_t data[] = { 0x00, 0x00, 0x00, 0x80, 0x7f, 0xff, | |
| 282 0x80, 0x00, 0x80, 0x80, 0xff, 0xff, | |
| 283 0x39, 0xf1, 0x8a, 0xbc, 0x5a, 0xec }; | |
| 284 ByteBuffer buffer(data, sizeof(data)); | |
| 285 ByteCursor cursor(&buffer, true); | |
| 286 int64_t a, b, c, d, e, f, g, h, i, j; | |
| 287 ASSERT_TRUE(cursor | |
| 288 .Read(2, false, &a) | |
| 289 .Read(2, false, &b) | |
| 290 .Read(2, false, &c) | |
| 291 .Read(2, false, &d) | |
| 292 .Read(2, false, &e) | |
| 293 .Read(2, false, &f) | |
| 294 .Read(2, false, &g) | |
| 295 .Read(2, false, &h) | |
| 296 .Read(2, false, &i)); | |
| 297 EXPECT_EQ(0, a); | |
| 298 EXPECT_EQ(0x80, b); | |
| 299 EXPECT_EQ(0x7fff, c); | |
| 300 EXPECT_EQ(0x8000, d); | |
| 301 EXPECT_EQ(0x8080, e); | |
| 302 EXPECT_EQ(0xffff, f); | |
| 303 EXPECT_EQ(0x39f1, g); | |
| 304 EXPECT_EQ(0x8abc, h); | |
| 305 EXPECT_EQ(0x5aec, i); | |
| 306 EXPECT_TRUE(cursor.AtEnd()); | |
| 307 EXPECT_FALSE(cursor.Read(2, false, &j)); | |
| 308 } | |
| 309 | |
| 310 TEST(BigEndian, Unsigned4) { | |
| 311 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, | |
| 312 0x7f, 0xff, 0xff, 0xff, | |
| 313 0x80, 0x00, 0x00, 0x00, | |
| 314 0xff, 0xff, 0xff, 0xff, | |
| 315 0xb6, 0xb1, 0xff, 0xef, | |
| 316 0x19, 0x6a, 0xca, 0x46 }; | |
| 317 ByteBuffer buffer(data, sizeof(data)); | |
| 318 ByteCursor cursor(&buffer); | |
| 319 cursor.set_big_endian(true); | |
| 320 int64_t a, b, c, d, e, f, g; | |
| 321 ASSERT_TRUE(cursor | |
| 322 .Read(4, false, &a) | |
| 323 .Read(4, false, &b) | |
| 324 .Read(4, false, &c) | |
| 325 .Read(4, false, &d) | |
| 326 .Read(4, false, &e) | |
| 327 .Read(4, false, &f)); | |
| 328 EXPECT_EQ(0, a); | |
| 329 EXPECT_EQ(0x7fffffff, b); | |
| 330 EXPECT_EQ(0x80000000, c); | |
| 331 EXPECT_EQ(0xffffffff, d); | |
| 332 EXPECT_EQ(0xb6b1ffef, e); | |
| 333 EXPECT_EQ(0x196aca46, f); | |
| 334 EXPECT_TRUE(cursor.AtEnd()); | |
| 335 EXPECT_FALSE(cursor.Read(4, false, &g)); | |
| 336 } | |
| 337 | |
| 338 TEST(BigEndian, Unsigned8) { | |
| 339 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 340 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 341 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 342 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 343 0x93, 0x20, 0xd5, 0xe9, 0xd2, 0xd5, 0x87, 0x9c, | |
| 344 0x4e, 0x42, 0x49, 0xd2, 0x7f, 0x84, 0x14, 0xa4 }; | |
| 345 ByteBuffer buffer(data, sizeof(data)); | |
| 346 ByteCursor cursor(&buffer, true); | |
| 347 uint64_t a, b, c, d, e, f, g; | |
| 348 ASSERT_TRUE(cursor | |
| 349 .Read(8, false, &a) | |
| 350 .Read(8, false, &b) | |
| 351 .Read(8, false, &c) | |
| 352 .Read(8, false, &d) | |
| 353 .Read(8, false, &e) | |
| 354 .Read(8, false, &f)); | |
| 355 EXPECT_EQ(0U, a); | |
| 356 EXPECT_EQ(0x7fffffffffffffffULL, b); | |
| 357 EXPECT_EQ(0x8000000000000000ULL, c); | |
| 358 EXPECT_EQ(0xffffffffffffffffULL, d); | |
| 359 EXPECT_EQ(0x9320d5e9d2d5879cULL, e); | |
| 360 EXPECT_EQ(0x4e4249d27f8414a4ULL, f); | |
| 361 EXPECT_TRUE(cursor.AtEnd()); | |
| 362 EXPECT_FALSE(cursor.Read(8, false, &g)); | |
| 363 } | |
| 364 | |
| 365 TEST(LittleEndian, Signed1) { | |
| 366 uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; | |
| 367 ByteBuffer buffer(data, sizeof(data)); | |
| 368 ByteCursor cursor(&buffer); | |
| 369 int32_t a, b, c, d, e; | |
| 370 ASSERT_TRUE(cursor | |
| 371 .Read(1, true, &a) | |
| 372 .Read(1, true, &b) | |
| 373 .Read(1, true, &c) | |
| 374 .Read(1, true, &d)); | |
| 375 EXPECT_EQ(0, a); | |
| 376 EXPECT_EQ(0x7f, b); | |
| 377 EXPECT_EQ(-0x80, c); | |
| 378 EXPECT_EQ(-1, d); | |
| 379 EXPECT_TRUE(cursor.AtEnd()); | |
| 380 EXPECT_FALSE(cursor.Read(1, true, &e)); | |
| 381 } | |
| 382 | |
| 383 TEST(LittleEndian, Signed2) { | |
| 384 uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f, | |
| 385 0x00, 0x80, 0x80, 0x80, 0xff, 0xff, | |
| 386 0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a }; | |
| 387 ByteBuffer buffer(data, sizeof(data)); | |
| 388 ByteCursor cursor(&buffer, false); | |
| 389 int32_t a, b, c, d, e, f, g, h, i, j; | |
| 390 ASSERT_TRUE(cursor | |
| 391 .Read(2, true, &a) | |
| 392 .Read(2, true, &b) | |
| 393 .Read(2, true, &c) | |
| 394 .Read(2, true, &d) | |
| 395 .Read(2, true, &e) | |
| 396 .Read(2, true, &f) | |
| 397 .Read(2, true, &g) | |
| 398 .Read(2, true, &h) | |
| 399 .Read(2, true, &i)); | |
| 400 EXPECT_EQ(0, a); | |
| 401 EXPECT_EQ(0x80, b); | |
| 402 EXPECT_EQ(0x7fff, c); | |
| 403 EXPECT_EQ(-0x8000, d); | |
| 404 EXPECT_EQ(-0x7f80, e); | |
| 405 EXPECT_EQ(-1, f); | |
| 406 EXPECT_EQ(0x39f1, g); | |
| 407 EXPECT_EQ(-0x7544, h); | |
| 408 EXPECT_EQ(0x5aec, i); | |
| 409 EXPECT_TRUE(cursor.AtEnd()); | |
| 410 EXPECT_FALSE(cursor.Read(2, true, &j)); | |
| 411 } | |
| 412 | |
| 413 TEST(LittleEndian, Signed4) { | |
| 414 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, | |
| 415 0xff, 0xff, 0xff, 0x7f, | |
| 416 0x00, 0x00, 0x00, 0x80, | |
| 417 0xff, 0xff, 0xff, 0xff, | |
| 418 0xef, 0xff, 0xb1, 0xb6, | |
| 419 0x46, 0xca, 0x6a, 0x19 }; | |
| 420 ByteBuffer buffer(data, sizeof(data)); | |
| 421 ByteCursor cursor(&buffer); | |
| 422 int64_t a, b, c, d, e, f, g; | |
| 423 ASSERT_TRUE(cursor | |
| 424 .Read(4, true, &a) | |
| 425 .Read(4, true, &b) | |
| 426 .Read(4, true, &c) | |
| 427 .Read(4, true, &d) | |
| 428 .Read(4, true, &e) | |
| 429 .Read(4, true, &f)); | |
| 430 EXPECT_EQ(0, a); | |
| 431 EXPECT_EQ(0x7fffffff, b); | |
| 432 EXPECT_EQ(-0x80000000LL, c); | |
| 433 EXPECT_EQ(-1, d); | |
| 434 EXPECT_EQ((int32_t) 0xb6b1ffef, e); | |
| 435 EXPECT_EQ(0x196aca46, f); | |
| 436 EXPECT_TRUE(cursor.AtEnd()); | |
| 437 EXPECT_FALSE(cursor.Read(4, true, &g)); | |
| 438 } | |
| 439 | |
| 440 TEST(LittleEndian, Signed8) { | |
| 441 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 442 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, | |
| 443 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, | |
| 444 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 445 0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93, | |
| 446 0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e }; | |
| 447 ByteBuffer buffer(data, sizeof(data)); | |
| 448 ByteCursor cursor(&buffer, false); | |
| 449 int64_t a, b, c, d, e, f, g; | |
| 450 ASSERT_TRUE(cursor | |
| 451 .Read(8, true, &a) | |
| 452 .Read(8, true, &b) | |
| 453 .Read(8, true, &c) | |
| 454 .Read(8, true, &d) | |
| 455 .Read(8, true, &e) | |
| 456 .Read(8, true, &f)); | |
| 457 EXPECT_EQ(0, a); | |
| 458 EXPECT_EQ(0x7fffffffffffffffLL, b); | |
| 459 EXPECT_EQ(-0x7fffffffffffffffLL - 1, c); | |
| 460 EXPECT_EQ(-1, d); | |
| 461 EXPECT_EQ((int64_t) 0x9320d5e9d2d5879cULL, e); | |
| 462 EXPECT_EQ(0x4e4249d27f8414a4LL, f); | |
| 463 EXPECT_TRUE(cursor.AtEnd()); | |
| 464 EXPECT_FALSE(cursor.Read(8, true, &g)); | |
| 465 } | |
| 466 | |
| 467 TEST(LittleEndian, Unsigned1) { | |
| 468 uint8_t data[] = { 0x00, 0x7f, 0x80, 0xff }; | |
| 469 ByteBuffer buffer(data, sizeof(data)); | |
| 470 ByteCursor cursor(&buffer); | |
| 471 int32_t a, b, c, d, e; | |
| 472 ASSERT_TRUE(cursor | |
| 473 .Read(1, false, &a) | |
| 474 .Read(1, false, &b) | |
| 475 .Read(1, false, &c) | |
| 476 .Read(1, false, &d)); | |
| 477 EXPECT_EQ(0, a); | |
| 478 EXPECT_EQ(0x7f, b); | |
| 479 EXPECT_EQ(0x80, c); | |
| 480 EXPECT_EQ(0xff, d); | |
| 481 EXPECT_TRUE(cursor.AtEnd()); | |
| 482 EXPECT_FALSE(cursor.Read(1, false, &e)); | |
| 483 } | |
| 484 | |
| 485 TEST(LittleEndian, Unsigned2) { | |
| 486 uint8_t data[] = { 0x00, 0x00, 0x80, 0x00, 0xff, 0x7f, | |
| 487 0x00, 0x80, 0x80, 0x80, 0xff, 0xff, | |
| 488 0xf1, 0x39, 0xbc, 0x8a, 0xec, 0x5a }; | |
| 489 ByteBuffer buffer(data, sizeof(data)); | |
| 490 ByteCursor cursor(&buffer); | |
| 491 int32_t a, b, c, d, e, f, g, h, i, j; | |
| 492 ASSERT_TRUE(cursor | |
| 493 .Read(2, false, &a) | |
| 494 .Read(2, false, &b) | |
| 495 .Read(2, false, &c) | |
| 496 .Read(2, false, &d) | |
| 497 .Read(2, false, &e) | |
| 498 .Read(2, false, &f) | |
| 499 .Read(2, false, &g) | |
| 500 .Read(2, false, &h) | |
| 501 .Read(2, false, &i)); | |
| 502 EXPECT_EQ(0, a); | |
| 503 EXPECT_EQ(0x80, b); | |
| 504 EXPECT_EQ(0x7fff, c); | |
| 505 EXPECT_EQ(0x8000, d); | |
| 506 EXPECT_EQ(0x8080, e); | |
| 507 EXPECT_EQ(0xffff, f); | |
| 508 EXPECT_EQ(0x39f1, g); | |
| 509 EXPECT_EQ(0x8abc, h); | |
| 510 EXPECT_EQ(0x5aec, i); | |
| 511 EXPECT_TRUE(cursor.AtEnd()); | |
| 512 EXPECT_FALSE(cursor.Read(2, false, &j)); | |
| 513 } | |
| 514 | |
| 515 TEST(LittleEndian, Unsigned4) { | |
| 516 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, | |
| 517 0xff, 0xff, 0xff, 0x7f, | |
| 518 0x00, 0x00, 0x00, 0x80, | |
| 519 0xff, 0xff, 0xff, 0xff, | |
| 520 0xef, 0xff, 0xb1, 0xb6, | |
| 521 0x46, 0xca, 0x6a, 0x19 }; | |
| 522 ByteBuffer buffer(data, sizeof(data)); | |
| 523 ByteCursor cursor(&buffer); | |
| 524 int64_t a, b, c, d, e, f, g; | |
| 525 ASSERT_TRUE(cursor | |
| 526 .Read(4, false, &a) | |
| 527 .Read(4, false, &b) | |
| 528 .Read(4, false, &c) | |
| 529 .Read(4, false, &d) | |
| 530 .Read(4, false, &e) | |
| 531 .Read(4, false, &f)); | |
| 532 EXPECT_EQ(0, a); | |
| 533 EXPECT_EQ(0x7fffffff, b); | |
| 534 EXPECT_EQ(0x80000000, c); | |
| 535 EXPECT_EQ(0xffffffff, d); | |
| 536 EXPECT_EQ(0xb6b1ffef, e); | |
| 537 EXPECT_EQ(0x196aca46, f); | |
| 538 EXPECT_TRUE(cursor.AtEnd()); | |
| 539 EXPECT_FALSE(cursor.Read(4, false, &g)); | |
| 540 } | |
| 541 | |
| 542 TEST(LittleEndian, Unsigned8) { | |
| 543 uint8_t data[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 544 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, | |
| 545 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, | |
| 546 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
| 547 0x9c, 0x87, 0xd5, 0xd2, 0xe9, 0xd5, 0x20, 0x93, | |
| 548 0xa4, 0x14, 0x84, 0x7f, 0xd2, 0x49, 0x42, 0x4e }; | |
| 549 ByteBuffer buffer(data, sizeof(data)); | |
| 550 ByteCursor cursor(&buffer); | |
| 551 uint64_t a, b, c, d, e, f, g; | |
| 552 ASSERT_TRUE(cursor | |
| 553 .Read(8, false, &a) | |
| 554 .Read(8, false, &b) | |
| 555 .Read(8, false, &c) | |
| 556 .Read(8, false, &d) | |
| 557 .Read(8, false, &e) | |
| 558 .Read(8, false, &f)); | |
| 559 EXPECT_EQ(0U, a); | |
| 560 EXPECT_EQ(0x7fffffffffffffffULL, b); | |
| 561 EXPECT_EQ(0x8000000000000000ULL, c); | |
| 562 EXPECT_EQ(0xffffffffffffffffULL, d); | |
| 563 EXPECT_EQ(0x9320d5e9d2d5879cULL, e); | |
| 564 EXPECT_EQ(0x4e4249d27f8414a4ULL, f); | |
| 565 EXPECT_TRUE(cursor.AtEnd()); | |
| 566 EXPECT_FALSE(cursor.Read(8, false, &g)); | |
| 567 } | |
| 568 | |
| 569 TEST(Extractor, Signed1) { | |
| 570 uint8_t data[] = { 0xfd }; | |
| 571 ByteBuffer buffer(data, sizeof(data)); | |
| 572 ByteCursor cursor(&buffer); | |
| 573 int8_t a; | |
| 574 EXPECT_TRUE(cursor >> a); | |
| 575 EXPECT_EQ(-3, a); | |
| 576 EXPECT_FALSE(cursor >> a); | |
| 577 } | |
| 578 | |
| 579 TEST(Extractor, Signed2) { | |
| 580 uint8_t data[] = { 0x13, 0xcd }; | |
| 581 ByteBuffer buffer(data, sizeof(data)); | |
| 582 ByteCursor cursor(&buffer); | |
| 583 int16_t a; | |
| 584 EXPECT_TRUE(cursor >> a); | |
| 585 EXPECT_EQ(-13037, a); | |
| 586 EXPECT_FALSE(cursor >> a); | |
| 587 } | |
| 588 | |
| 589 TEST(Extractor, Signed4) { | |
| 590 uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 }; | |
| 591 ByteBuffer buffer(data, sizeof(data)); | |
| 592 ByteCursor cursor(&buffer); | |
| 593 int32_t a; | |
| 594 // For some reason, G++ 4.4.1 complains: | |
| 595 // warning: array subscript is above array bounds | |
| 596 // in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but | |
| 597 // I'm not able to see how such a reference would occur. | |
| 598 EXPECT_TRUE(cursor >> a); | |
| 599 EXPECT_EQ(-380377902, a); | |
| 600 EXPECT_FALSE(cursor >> a); | |
| 601 } | |
| 602 | |
| 603 TEST(Extractor, Unsigned1) { | |
| 604 uint8_t data[] = { 0xfd }; | |
| 605 ByteBuffer buffer(data, sizeof(data)); | |
| 606 ByteCursor cursor(&buffer); | |
| 607 uint8_t a; | |
| 608 EXPECT_TRUE(cursor >> a); | |
| 609 EXPECT_EQ(0xfd, a); | |
| 610 EXPECT_FALSE(cursor >> a); | |
| 611 } | |
| 612 | |
| 613 TEST(Extractor, Unsigned2) { | |
| 614 uint8_t data[] = { 0x13, 0xcd }; | |
| 615 ByteBuffer buffer(data, sizeof(data)); | |
| 616 ByteCursor cursor(&buffer); | |
| 617 uint16_t a; | |
| 618 EXPECT_TRUE(cursor >> a); | |
| 619 EXPECT_EQ(0xcd13, a); | |
| 620 EXPECT_FALSE(cursor >> a); | |
| 621 } | |
| 622 | |
| 623 TEST(Extractor, Unsigned4) { | |
| 624 uint8_t data[] = { 0xd2, 0xe4, 0x53, 0xe9 }; | |
| 625 ByteBuffer buffer(data, sizeof(data)); | |
| 626 ByteCursor cursor(&buffer); | |
| 627 uint32_t a; | |
| 628 // For some reason, G++ 4.4.1 complains: | |
| 629 // warning: array subscript is above array bounds | |
| 630 // in ByteCursor::Read(size_t, bool, T *) as it inlines this call, but | |
| 631 // I'm not able to see how such a reference would occur. | |
| 632 EXPECT_TRUE(cursor >> a); | |
| 633 EXPECT_EQ(0xe953e4d2, a); | |
| 634 EXPECT_FALSE(cursor >> a); | |
| 635 EXPECT_FALSE(cursor >> a); | |
| 636 } | |
| 637 | |
| 638 TEST(Extractor, Mixed) { | |
| 639 uint8_t data[] = { 0x42, | |
| 640 0x25, 0x0b, | |
| 641 0x3d, 0x25, 0xed, 0x2a, | |
| 642 0xec, 0x16, 0x9e, 0x14, 0x61, 0x5b, 0x2c, 0xcf, | |
| 643 0xd8, | |
| 644 0x22, 0xa5, | |
| 645 0x3a, 0x02, 0x6a, 0xd7, | |
| 646 0x93, 0x2a, 0x2d, 0x8d, 0xb4, 0x95, 0xe0, 0xc6 }; | |
| 647 ByteBuffer buffer(data, sizeof(data)); | |
| 648 ByteCursor cursor(&buffer); | |
| 649 cursor.set_big_endian(true); | |
| 650 | |
| 651 uint8_t a; | |
| 652 uint16_t b; | |
| 653 uint32_t c; | |
| 654 uint64_t d; | |
| 655 int8_t e; | |
| 656 int16_t f; | |
| 657 int32_t g; | |
| 658 int64_t h; | |
| 659 int z; | |
| 660 EXPECT_FALSE(cursor.AtEnd()); | |
| 661 EXPECT_TRUE(cursor >> a >> b >> c >> d >> e >> f >> g >> h); | |
| 662 EXPECT_EQ(0x42U, a); | |
| 663 EXPECT_EQ(0x250bU, b); | |
| 664 EXPECT_EQ(0x3d25ed2aU, c); | |
| 665 EXPECT_EQ(0xec169e14615b2ccfULL, d); | |
| 666 EXPECT_EQ(-40, e); | |
| 667 EXPECT_EQ(0x22a5, f); | |
| 668 EXPECT_EQ(0x3a026ad7, g); | |
| 669 EXPECT_EQ(-7842405714468937530LL, h); | |
| 670 | |
| 671 EXPECT_TRUE(cursor.AtEnd()); | |
| 672 EXPECT_FALSE(cursor >> z); | |
| 673 } | |
| 674 | |
| 675 TEST(Strings, Zero) { | |
| 676 uint8_t data[] = { 0xa6 }; | |
| 677 ByteBuffer buffer(data, 0); | |
| 678 ByteCursor cursor(&buffer); | |
| 679 | |
| 680 uint8_t received[1]; | |
| 681 received[0] = 0xc2; | |
| 682 EXPECT_TRUE(cursor.Read(received, 0)); | |
| 683 EXPECT_EQ(0xc2U, received[0]); | |
| 684 } | |
| 685 | |
| 686 TEST(Strings, Some) { | |
| 687 uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb }; | |
| 688 ByteBuffer buffer(data, sizeof(data)); | |
| 689 ByteCursor cursor(&buffer); | |
| 690 | |
| 691 uint8_t received[7] = { 0xa7, 0xf7, 0x43, 0x0c, 0x27, 0xea, 0xed }; | |
| 692 EXPECT_TRUE(cursor.Skip(2).Read(received, 5)); | |
| 693 uint8_t expected[7] = { 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xea, 0xed }; | |
| 694 EXPECT_TRUE(memcmp(received, expected, 7) == 0); | |
| 695 } | |
| 696 | |
| 697 TEST(Strings, TooMuch) { | |
| 698 uint8_t data[] = { 0x5d, 0x31, 0x09, 0xa6, 0x2e, 0x2c, 0x83, 0xbb }; | |
| 699 ByteBuffer buffer(data, sizeof(data)); | |
| 700 ByteCursor cursor(&buffer); | |
| 701 | |
| 702 uint8_t received1[3]; | |
| 703 uint8_t received2[3]; | |
| 704 uint8_t received3[3]; | |
| 705 EXPECT_FALSE(cursor | |
| 706 .Read(received1, 3) | |
| 707 .Read(received2, 3) | |
| 708 .Read(received3, 3)); | |
| 709 uint8_t expected1[3] = { 0x5d, 0x31, 0x09 }; | |
| 710 uint8_t expected2[3] = { 0xa6, 0x2e, 0x2c }; | |
| 711 | |
| 712 EXPECT_TRUE(memcmp(received1, expected1, 3) == 0); | |
| 713 EXPECT_TRUE(memcmp(received2, expected2, 3) == 0); | |
| 714 } | |
| 715 | |
| 716 TEST(Strings, PointTo) { | |
| 717 uint8_t data[] = { 0x83, 0x80, 0xb4, 0x38, 0x00, 0x2c, 0x0a, 0x27 }; | |
| 718 ByteBuffer buffer(data, sizeof(data)); | |
| 719 ByteCursor cursor(&buffer); | |
| 720 | |
| 721 const uint8_t *received1; | |
| 722 const uint8_t *received2; | |
| 723 const uint8_t *received3; | |
| 724 const uint8_t *received4; | |
| 725 EXPECT_FALSE(cursor | |
| 726 .PointTo(&received1, 3) | |
| 727 .PointTo(&received2, 3) | |
| 728 .PointTo(&received3) | |
| 729 .PointTo(&received4, 3)); | |
| 730 EXPECT_EQ(data + 0, received1); | |
| 731 EXPECT_EQ(data + 3, received2); | |
| 732 EXPECT_EQ(data + 6, received3); | |
| 733 EXPECT_EQ(NULL, received4); | |
| 734 } | |
| 735 | |
| 736 TEST(Strings, CString) { | |
| 737 uint8_t data[] = "abc\0\0foo"; | |
| 738 ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0' | |
| 739 ByteCursor cursor(&buffer); | |
| 740 | |
| 741 string a, b, c; | |
| 742 EXPECT_TRUE(cursor.CString(&a).CString(&b)); | |
| 743 EXPECT_EQ("abc", a); | |
| 744 EXPECT_EQ("", b); | |
| 745 EXPECT_FALSE(cursor.CString(&c)); | |
| 746 EXPECT_EQ("", c); | |
| 747 EXPECT_TRUE(cursor.AtEnd()); | |
| 748 } | |
| 749 | |
| 750 TEST(Strings, CStringLimit) { | |
| 751 uint8_t data[] = "abcdef\0\0foobar"; | |
| 752 ByteBuffer buffer(data, sizeof(data) - 1); // don't include terminating '\0' | |
| 753 ByteCursor cursor(&buffer); | |
| 754 | |
| 755 string a, b, c, d, e; | |
| 756 | |
| 757 EXPECT_TRUE(cursor.CString(&a, 3)); | |
| 758 EXPECT_EQ("abc", a); | |
| 759 | |
| 760 EXPECT_TRUE(cursor.CString(&b, 0)); | |
| 761 EXPECT_EQ("", b); | |
| 762 | |
| 763 EXPECT_TRUE(cursor.CString(&c, 6)); | |
| 764 EXPECT_EQ("def", c); | |
| 765 | |
| 766 EXPECT_TRUE(cursor.CString(&d, 4)); | |
| 767 EXPECT_EQ("ooba", d); | |
| 768 | |
| 769 EXPECT_FALSE(cursor.CString(&e, 4)); | |
| 770 EXPECT_EQ("", e); | |
| 771 | |
| 772 EXPECT_TRUE(cursor.AtEnd()); | |
| 773 } | |
| 774 | |
| 775 // uint8_t data[] = { 0xa6, 0x54, 0xdf, 0x67, 0x51, 0x43, 0xac, 0xf1 }; | |
| 776 // ByteBuffer buffer(data, sizeof(data)); |
