Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "ObbFile_test" |
| 18 | #include <androidfw/BackupHelpers.h> |
| 19 | #include <utils/Log.h> |
| 20 | #include <utils/String8.h> |
| 21 | |
| 22 | #include <gtest/gtest.h> |
| 23 | |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/stat.h> |
| 26 | #include <fcntl.h> |
| 27 | #include <string.h> |
| 28 | |
| 29 | namespace android { |
| 30 | |
| 31 | #define TEST_FILENAME "/test.bd" |
| 32 | |
| 33 | // keys of different lengths to test padding |
| 34 | #define KEY1 "key1" |
| 35 | #define KEY2 "key2a" |
| 36 | #define KEY3 "key3bc" |
| 37 | #define KEY4 "key4def" |
| 38 | |
| 39 | // payloads of different lengths to test padding |
| 40 | #define DATA1 "abcdefg" |
| 41 | #define DATA2 "hijklmnopq" |
| 42 | #define DATA3 "rstuvwxyz" |
| 43 | // KEY4 is only ever deleted |
| 44 | |
| 45 | class BackupDataTest : public testing::Test { |
| 46 | protected: |
| 47 | char* m_external_storage; |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 48 | String8 mFilename; |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 49 | String8 mKey1; |
| 50 | String8 mKey2; |
| 51 | String8 mKey3; |
| 52 | String8 mKey4; |
| 53 | |
| 54 | virtual void SetUp() { |
| 55 | m_external_storage = getenv("EXTERNAL_STORAGE"); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 56 | mFilename.append(m_external_storage); |
| 57 | mFilename.append(TEST_FILENAME); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 58 | |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 59 | ::unlink(mFilename.string()); |
| 60 | int fd = ::open(mFilename.string(), O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 61 | if (fd < 0) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 62 | FAIL() << "Couldn't create " << mFilename.string() << " for writing"; |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 63 | } |
| 64 | mKey1 = String8(KEY1); |
| 65 | mKey2 = String8(KEY2); |
| 66 | mKey3 = String8(KEY3); |
| 67 | mKey4 = String8(KEY4); |
| 68 | } |
| 69 | |
| 70 | virtual void TearDown() { |
| 71 | } |
| 72 | }; |
| 73 | |
| 74 | TEST_F(BackupDataTest, WriteAndReadSingle) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 75 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 76 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 77 | |
| 78 | EXPECT_EQ(NO_ERROR, writer->WriteEntityHeader(mKey1, sizeof(DATA1))) |
| 79 | << "WriteEntityHeader returned an error"; |
| 80 | EXPECT_EQ(NO_ERROR, writer->WriteEntityData(DATA1, sizeof(DATA1))) |
| 81 | << "WriteEntityData returned an error"; |
| 82 | |
| 83 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 84 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 85 | BackupDataReader* reader = new BackupDataReader(fd); |
| 86 | EXPECT_EQ(NO_ERROR, reader->Status()) |
| 87 | << "Reader ctor failed"; |
| 88 | |
| 89 | bool done; |
| 90 | int type; |
| 91 | reader->ReadNextHeader(&done, &type); |
| 92 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 93 | << "wrong type from ReadNextHeader"; |
| 94 | |
| 95 | String8 key; |
| 96 | size_t dataSize; |
| 97 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 98 | << "ReadEntityHeader returned an error"; |
| 99 | EXPECT_EQ(mKey1, key) |
| 100 | << "wrong key from ReadEntityHeader"; |
| 101 | EXPECT_EQ(sizeof(DATA1), dataSize) |
| 102 | << "wrong size from ReadEntityHeader"; |
| 103 | |
| 104 | char* dataBytes = new char[dataSize]; |
| 105 | EXPECT_EQ((int) dataSize, reader->ReadEntityData(dataBytes, dataSize)) |
| 106 | << "ReadEntityData returned an error"; |
| 107 | for (unsigned int i = 0; i < sizeof(DATA1); i++) { |
| 108 | EXPECT_EQ(DATA1[i], dataBytes[i]) |
| 109 | << "data character " << i << " should be equal"; |
| 110 | } |
Dan Albert | 8dc8313 | 2015-08-14 14:12:29 -0700 | [diff] [blame] | 111 | delete[] dataBytes; |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 112 | delete writer; |
| 113 | delete reader; |
| 114 | } |
| 115 | |
| 116 | TEST_F(BackupDataTest, WriteAndReadMultiple) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 117 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 118 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 119 | writer->WriteEntityHeader(mKey1, sizeof(DATA1)); |
| 120 | writer->WriteEntityData(DATA1, sizeof(DATA1)); |
| 121 | writer->WriteEntityHeader(mKey2, sizeof(DATA2)); |
| 122 | writer->WriteEntityData(DATA2, sizeof(DATA2)); |
| 123 | |
| 124 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 125 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 126 | BackupDataReader* reader = new BackupDataReader(fd); |
| 127 | |
| 128 | bool done; |
| 129 | int type; |
| 130 | String8 key; |
| 131 | size_t dataSize; |
| 132 | char* dataBytes; |
| 133 | // read first entity |
| 134 | reader->ReadNextHeader(&done, &type); |
| 135 | reader->ReadEntityHeader(&key, &dataSize); |
| 136 | dataBytes = new char[dataSize]; |
| 137 | reader->ReadEntityData(dataBytes, dataSize); |
| 138 | delete dataBytes; |
| 139 | |
| 140 | // read and verify second entity |
| 141 | reader->ReadNextHeader(&done, &type); |
| 142 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 143 | << "wrong type from ReadNextHeader"; |
| 144 | |
| 145 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 146 | << "ReadEntityHeader returned an error on second entity"; |
| 147 | EXPECT_EQ(mKey2, key) |
| 148 | << "wrong key from ReadEntityHeader on second entity"; |
| 149 | EXPECT_EQ(sizeof(DATA2), dataSize) |
| 150 | << "wrong size from ReadEntityHeader on second entity"; |
| 151 | |
| 152 | dataBytes = new char[dataSize]; |
| 153 | EXPECT_EQ((int)dataSize, reader->ReadEntityData(dataBytes, dataSize)) |
| 154 | << "ReadEntityData returned an error on second entity"; |
| 155 | for (unsigned int i = 0; i < sizeof(DATA2); i++) { |
| 156 | EXPECT_EQ(DATA2[i], dataBytes[i]) |
| 157 | << "data character " << i << " should be equal"; |
| 158 | } |
| 159 | delete dataBytes; |
| 160 | delete writer; |
| 161 | delete reader; |
| 162 | } |
| 163 | |
| 164 | TEST_F(BackupDataTest, SkipEntity) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 165 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 166 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 167 | writer->WriteEntityHeader(mKey1, sizeof(DATA1)); |
| 168 | writer->WriteEntityData(DATA1, sizeof(DATA1)); |
| 169 | writer->WriteEntityHeader(mKey2, sizeof(DATA2)); |
| 170 | writer->WriteEntityData(DATA2, sizeof(DATA2)); |
| 171 | writer->WriteEntityHeader(mKey3, sizeof(DATA3)); |
| 172 | writer->WriteEntityData(DATA3, sizeof(DATA3)); |
| 173 | |
| 174 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 175 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 176 | BackupDataReader* reader = new BackupDataReader(fd); |
| 177 | |
| 178 | bool done; |
| 179 | int type; |
| 180 | String8 key; |
| 181 | size_t dataSize; |
| 182 | char* dataBytes; |
| 183 | // read first entity |
| 184 | reader->ReadNextHeader(&done, &type); |
| 185 | reader->ReadEntityHeader(&key, &dataSize); |
| 186 | dataBytes = new char[dataSize]; |
| 187 | reader->ReadEntityData(dataBytes, dataSize); |
| 188 | delete dataBytes; |
| 189 | |
| 190 | // skip second entity |
| 191 | reader->ReadNextHeader(&done, &type); |
| 192 | reader->ReadEntityHeader(&key, &dataSize); |
| 193 | reader->SkipEntityData(); |
| 194 | |
| 195 | // read and verify third entity |
| 196 | reader->ReadNextHeader(&done, &type); |
| 197 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 198 | << "wrong type from ReadNextHeader after skip"; |
| 199 | |
| 200 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 201 | << "ReadEntityHeader returned an error on third entity"; |
| 202 | EXPECT_EQ(mKey3, key) |
| 203 | << "wrong key from ReadEntityHeader on third entity"; |
| 204 | EXPECT_EQ(sizeof(DATA3), dataSize) |
| 205 | << "wrong size from ReadEntityHeader on third entity"; |
| 206 | |
| 207 | dataBytes = new char[dataSize]; |
| 208 | EXPECT_EQ((int) dataSize, reader->ReadEntityData(dataBytes, dataSize)) |
| 209 | << "ReadEntityData returned an error on third entity"; |
| 210 | for (unsigned int i = 0; i < sizeof(DATA3); i++) { |
| 211 | EXPECT_EQ(DATA3[i], dataBytes[i]) |
| 212 | << "data character " << i << " should be equal"; |
| 213 | } |
| 214 | delete dataBytes; |
| 215 | delete writer; |
| 216 | delete reader; |
| 217 | } |
| 218 | |
| 219 | TEST_F(BackupDataTest, DeleteEntity) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 220 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 221 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 222 | writer->WriteEntityHeader(mKey1, sizeof(DATA1)); |
| 223 | writer->WriteEntityData(DATA1, sizeof(DATA1)); |
| 224 | writer->WriteEntityHeader(mKey2, -1); |
| 225 | |
| 226 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 227 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 228 | BackupDataReader* reader = new BackupDataReader(fd); |
| 229 | |
| 230 | bool done; |
| 231 | int type; |
| 232 | String8 key; |
| 233 | size_t dataSize; |
| 234 | char* dataBytes; |
| 235 | // read first entity |
| 236 | reader->ReadNextHeader(&done, &type); |
| 237 | reader->ReadEntityHeader(&key, &dataSize); |
| 238 | dataBytes = new char[dataSize]; |
| 239 | reader->ReadEntityData(dataBytes, dataSize); |
| 240 | delete dataBytes; |
| 241 | |
| 242 | // read and verify deletion |
| 243 | reader->ReadNextHeader(&done, &type); |
| 244 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 245 | << "wrong type from ReadNextHeader on deletion"; |
| 246 | |
| 247 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 248 | << "ReadEntityHeader returned an error on second entity"; |
| 249 | EXPECT_EQ(mKey2, key) |
| 250 | << "wrong key from ReadEntityHeader on second entity"; |
| 251 | EXPECT_EQ(-1, (int) dataSize) |
| 252 | << "not recognizing deletion on second entity"; |
| 253 | |
| 254 | delete writer; |
| 255 | delete reader; |
| 256 | } |
| 257 | |
| 258 | TEST_F(BackupDataTest, EneityAfterDelete) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 259 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 260 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 261 | writer->WriteEntityHeader(mKey1, sizeof(DATA1)); |
| 262 | writer->WriteEntityData(DATA1, sizeof(DATA1)); |
| 263 | writer->WriteEntityHeader(mKey2, -1); |
| 264 | writer->WriteEntityHeader(mKey3, sizeof(DATA3)); |
| 265 | writer->WriteEntityData(DATA3, sizeof(DATA3)); |
| 266 | |
| 267 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 268 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 269 | BackupDataReader* reader = new BackupDataReader(fd); |
| 270 | |
| 271 | bool done; |
| 272 | int type; |
| 273 | String8 key; |
| 274 | size_t dataSize; |
| 275 | char* dataBytes; |
| 276 | // read first entity |
| 277 | reader->ReadNextHeader(&done, &type); |
| 278 | reader->ReadEntityHeader(&key, &dataSize); |
| 279 | dataBytes = new char[dataSize]; |
| 280 | reader->ReadEntityData(dataBytes, dataSize); |
| 281 | delete dataBytes; |
| 282 | |
| 283 | // read and verify deletion |
| 284 | reader->ReadNextHeader(&done, &type); |
| 285 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 286 | << "wrong type from ReadNextHeader on deletion"; |
| 287 | |
| 288 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 289 | << "ReadEntityHeader returned an error on second entity"; |
| 290 | EXPECT_EQ(mKey2, key) |
| 291 | << "wrong key from ReadEntityHeader on second entity"; |
| 292 | EXPECT_EQ(-1, (int)dataSize) |
| 293 | << "not recognizing deletion on second entity"; |
| 294 | |
| 295 | // read and verify third entity |
| 296 | reader->ReadNextHeader(&done, &type); |
| 297 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 298 | << "wrong type from ReadNextHeader after deletion"; |
| 299 | |
| 300 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 301 | << "ReadEntityHeader returned an error on third entity"; |
| 302 | EXPECT_EQ(mKey3, key) |
| 303 | << "wrong key from ReadEntityHeader on third entity"; |
| 304 | EXPECT_EQ(sizeof(DATA3), dataSize) |
| 305 | << "wrong size from ReadEntityHeader on third entity"; |
| 306 | |
| 307 | dataBytes = new char[dataSize]; |
| 308 | EXPECT_EQ((int) dataSize, reader->ReadEntityData(dataBytes, dataSize)) |
| 309 | << "ReadEntityData returned an error on third entity"; |
| 310 | for (unsigned int i = 0; i < sizeof(DATA3); i++) { |
| 311 | EXPECT_EQ(DATA3[i], dataBytes[i]) |
| 312 | << "data character " << i << " should be equal"; |
| 313 | } |
| 314 | delete dataBytes; |
| 315 | delete writer; |
| 316 | delete reader; |
| 317 | } |
| 318 | |
| 319 | TEST_F(BackupDataTest, OnlyDeleteEntities) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 320 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 321 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 322 | writer->WriteEntityHeader(mKey1, -1); |
| 323 | writer->WriteEntityHeader(mKey2, -1); |
| 324 | writer->WriteEntityHeader(mKey3, -1); |
| 325 | writer->WriteEntityHeader(mKey4, -1); |
| 326 | |
| 327 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 328 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 329 | BackupDataReader* reader = new BackupDataReader(fd); |
| 330 | |
| 331 | bool done; |
| 332 | int type; |
| 333 | String8 key; |
| 334 | size_t dataSize; |
| 335 | // read and verify first deletion |
| 336 | reader->ReadNextHeader(&done, &type); |
| 337 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 338 | << "wrong type from ReadNextHeader first deletion"; |
| 339 | |
| 340 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 341 | << "ReadEntityHeader returned an error on first entity"; |
| 342 | EXPECT_EQ(mKey1, key) |
| 343 | << "wrong key from ReadEntityHeader on first entity"; |
| 344 | EXPECT_EQ(-1, (int) dataSize) |
| 345 | << "not recognizing deletion on first entity"; |
| 346 | |
| 347 | // read and verify second deletion |
| 348 | reader->ReadNextHeader(&done, &type); |
| 349 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 350 | << "wrong type from ReadNextHeader second deletion"; |
| 351 | |
| 352 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 353 | << "ReadEntityHeader returned an error on second entity"; |
| 354 | EXPECT_EQ(mKey2, key) |
| 355 | << "wrong key from ReadEntityHeader on second entity"; |
| 356 | EXPECT_EQ(-1, (int) dataSize) |
| 357 | << "not recognizing deletion on second entity"; |
| 358 | |
| 359 | // read and verify third deletion |
| 360 | reader->ReadNextHeader(&done, &type); |
| 361 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 362 | << "wrong type from ReadNextHeader third deletion"; |
| 363 | |
| 364 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 365 | << "ReadEntityHeader returned an error on third entity"; |
| 366 | EXPECT_EQ(mKey3, key) |
| 367 | << "wrong key from ReadEntityHeader on third entity"; |
| 368 | EXPECT_EQ(-1, (int) dataSize) |
| 369 | << "not recognizing deletion on third entity"; |
| 370 | |
| 371 | // read and verify fourth deletion |
| 372 | reader->ReadNextHeader(&done, &type); |
| 373 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 374 | << "wrong type from ReadNextHeader fourth deletion"; |
| 375 | |
| 376 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 377 | << "ReadEntityHeader returned an error on fourth entity"; |
| 378 | EXPECT_EQ(mKey4, key) |
| 379 | << "wrong key from ReadEntityHeader on fourth entity"; |
| 380 | EXPECT_EQ(-1, (int) dataSize) |
| 381 | << "not recognizing deletion on fourth entity"; |
| 382 | |
| 383 | delete writer; |
| 384 | delete reader; |
| 385 | } |
| 386 | |
| 387 | TEST_F(BackupDataTest, ReadDeletedEntityData) { |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 388 | int fd = ::open(mFilename.string(), O_WRONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 389 | BackupDataWriter* writer = new BackupDataWriter(fd); |
| 390 | writer->WriteEntityHeader(mKey1, -1); |
| 391 | writer->WriteEntityHeader(mKey2, -1); |
| 392 | |
| 393 | ::close(fd); |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 394 | fd = ::open(mFilename.string(), O_RDONLY); |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 395 | BackupDataReader* reader = new BackupDataReader(fd); |
| 396 | |
| 397 | bool done; |
| 398 | int type; |
| 399 | String8 key; |
| 400 | size_t dataSize; |
| 401 | // read and verify first deletion |
| 402 | reader->ReadNextHeader(&done, &type); |
| 403 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 404 | << "wrong type from ReadNextHeader first deletion"; |
| 405 | |
| 406 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 407 | << "ReadEntityHeader returned an error on first entity"; |
| 408 | EXPECT_EQ(mKey1, key) |
| 409 | << "wrong key from ReadEntityHeader on first entity"; |
| 410 | EXPECT_EQ(-1, (int) dataSize) |
| 411 | << "not recognizing deletion on first entity"; |
| 412 | |
| 413 | // erroneously try to read first entity data |
| 414 | char* dataBytes = new char[10]; |
| 415 | dataBytes[0] = 'A'; |
| 416 | EXPECT_EQ(NO_ERROR, reader->ReadEntityData(dataBytes, dataSize)); |
| 417 | // expect dataBytes to be unmodofied |
| 418 | EXPECT_EQ('A', dataBytes[0]); |
| 419 | |
| 420 | // read and verify second deletion |
| 421 | reader->ReadNextHeader(&done, &type); |
| 422 | EXPECT_EQ(BACKUP_HEADER_ENTITY_V1, type) |
| 423 | << "wrong type from ReadNextHeader second deletion"; |
| 424 | |
| 425 | EXPECT_EQ(NO_ERROR, reader->ReadEntityHeader(&key, &dataSize)) |
| 426 | << "ReadEntityHeader returned an error on second entity"; |
| 427 | EXPECT_EQ(mKey2, key) |
| 428 | << "wrong key from ReadEntityHeader on second entity"; |
| 429 | EXPECT_EQ(-1, (int) dataSize) |
| 430 | << "not recognizing deletion on second entity"; |
| 431 | |
Adam Lesinski | d79e333 | 2014-08-29 12:29:31 -0700 | [diff] [blame] | 432 | delete[] dataBytes; |
Adam Lesinski | 16c4d15 | 2014-01-24 13:27:13 -0800 | [diff] [blame] | 433 | delete writer; |
| 434 | delete reader; |
| 435 | } |
| 436 | |
| 437 | } |