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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/files/file.h" | |
| 6 #include "base/files/file_util.h" | |
| 7 #include "base/files/scoped_temp_dir.h" | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "base/time/time.h" | |
| 10 #include "testing/gtest/include/gtest/gtest.h" | |
| 11 | |
| 12 using base::File; | |
| 13 using base::FilePath; | |
| 14 | |
| 15 TEST(FileTest, Create) { | |
| 16 base::ScopedTempDir temp_dir; | |
| 17 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 18 FilePath file_path = temp_dir.path().AppendASCII("create_file_1"); | |
| 19 | |
| 20 { | |
| 21 // Don't create a File at all. | |
| 22 File file; | |
| 23 EXPECT_FALSE(file.IsValid()); | |
| 24 EXPECT_EQ(base::File::FILE_ERROR_FAILED, file.error_details()); | |
| 25 | |
| 26 File file2(base::File::FILE_ERROR_TOO_MANY_OPENED); | |
| 27 EXPECT_FALSE(file2.IsValid()); | |
| 28 EXPECT_EQ(base::File::FILE_ERROR_TOO_MANY_OPENED, file2.error_details()); | |
| 29 } | |
| 30 | |
| 31 { | |
| 32 // Open a file that doesn't exist. | |
| 33 File file(file_path, base::File::FLAG_OPEN | base::File::FLAG_READ); | |
| 34 EXPECT_FALSE(file.IsValid()); | |
| 35 EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, file.error_details()); | |
| 36 } | |
| 37 | |
| 38 { | |
| 39 // Open or create a file. | |
| 40 File file(file_path, base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_READ); | |
| 41 EXPECT_TRUE(file.IsValid()); | |
| 42 EXPECT_TRUE(file.created()); | |
| 43 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 44 } | |
| 45 | |
| 46 { | |
| 47 // Open an existing file. | |
| 48 File file(file_path, base::File::FLAG_OPEN | base::File::FLAG_READ); | |
| 49 EXPECT_TRUE(file.IsValid()); | |
| 50 EXPECT_FALSE(file.created()); | |
| 51 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 52 | |
| 53 // This time verify closing the file. | |
| 54 file.Close(); | |
| 55 EXPECT_FALSE(file.IsValid()); | |
| 56 } | |
| 57 | |
| 58 { | |
| 59 // Open an existing file through Initialize | |
| 60 File file; | |
| 61 file.Initialize(file_path, base::File::FLAG_OPEN | base::File::FLAG_READ); | |
| 62 EXPECT_TRUE(file.IsValid()); | |
| 63 EXPECT_FALSE(file.created()); | |
| 64 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 65 | |
| 66 // This time verify closing the file. | |
| 67 file.Close(); | |
| 68 EXPECT_FALSE(file.IsValid()); | |
| 69 } | |
| 70 | |
| 71 { | |
| 72 // Create a file that exists. | |
| 73 File file(file_path, base::File::FLAG_CREATE | base::File::FLAG_READ); | |
| 74 EXPECT_FALSE(file.IsValid()); | |
| 75 EXPECT_FALSE(file.created()); | |
| 76 EXPECT_EQ(base::File::FILE_ERROR_EXISTS, file.error_details()); | |
| 77 } | |
| 78 | |
| 79 { | |
| 80 // Create or overwrite a file. | |
| 81 File file(file_path, | |
| 82 base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE); | |
| 83 EXPECT_TRUE(file.IsValid()); | |
| 84 EXPECT_TRUE(file.created()); | |
| 85 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 86 } | |
| 87 | |
| 88 { | |
| 89 // Create a delete-on-close file. | |
| 90 file_path = temp_dir.path().AppendASCII("create_file_2"); | |
| 91 File file(file_path, | |
| 92 base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_READ | | |
| 93 base::File::FLAG_DELETE_ON_CLOSE); | |
| 94 EXPECT_TRUE(file.IsValid()); | |
| 95 EXPECT_TRUE(file.created()); | |
| 96 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 97 } | |
| 98 | |
| 99 EXPECT_FALSE(base::PathExists(file_path)); | |
| 100 } | |
| 101 | |
| 102 TEST(FileTest, Async) { | |
| 103 base::ScopedTempDir temp_dir; | |
| 104 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 105 FilePath file_path = temp_dir.path().AppendASCII("create_file"); | |
| 106 | |
| 107 { | |
| 108 File file(file_path, base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_ASYNC); | |
| 109 EXPECT_TRUE(file.IsValid()); | |
| 110 EXPECT_TRUE(file.async()); | |
| 111 } | |
| 112 | |
| 113 { | |
| 114 File file(file_path, base::File::FLAG_OPEN_ALWAYS); | |
| 115 EXPECT_TRUE(file.IsValid()); | |
| 116 EXPECT_FALSE(file.async()); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 TEST(FileTest, DeleteOpenFile) { | |
| 121 base::ScopedTempDir temp_dir; | |
| 122 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 123 FilePath file_path = temp_dir.path().AppendASCII("create_file_1"); | |
| 124 | |
| 125 // Create a file. | |
| 126 File file(file_path, | |
| 127 base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_READ | | |
| 128 base::File::FLAG_SHARE_DELETE); | |
| 129 EXPECT_TRUE(file.IsValid()); | |
| 130 EXPECT_TRUE(file.created()); | |
| 131 EXPECT_EQ(base::File::FILE_OK, file.error_details()); | |
| 132 | |
| 133 // Open an existing file and mark it as delete on close. | |
| 134 File same_file(file_path, | |
| 135 base::File::FLAG_OPEN | base::File::FLAG_DELETE_ON_CLOSE | | |
| 136 base::File::FLAG_READ); | |
| 137 EXPECT_TRUE(file.IsValid()); | |
| 138 EXPECT_FALSE(same_file.created()); | |
| 139 EXPECT_EQ(base::File::FILE_OK, same_file.error_details()); | |
| 140 | |
| 141 // Close both handles and check that the file is gone. | |
| 142 file.Close(); | |
| 143 same_file.Close(); | |
| 144 EXPECT_FALSE(base::PathExists(file_path)); | |
| 145 } | |
| 146 | |
| 147 TEST(FileTest, ReadWrite) { | |
| 148 base::ScopedTempDir temp_dir; | |
| 149 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 150 FilePath file_path = temp_dir.path().AppendASCII("read_write_file"); | |
| 151 File file(file_path, | |
| 152 base::File::FLAG_CREATE | base::File::FLAG_READ | | |
| 153 base::File::FLAG_WRITE); | |
| 154 ASSERT_TRUE(file.IsValid()); | |
| 155 | |
| 156 char data_to_write[] = "test"; | |
| 157 const int kTestDataSize = 4; | |
| 158 | |
| 159 // Write 0 bytes to the file. | |
| 160 int bytes_written = file.Write(0, data_to_write, 0); | |
| 161 EXPECT_EQ(0, bytes_written); | |
| 162 | |
| 163 // Write "test" to the file. | |
| 164 bytes_written = file.Write(0, data_to_write, kTestDataSize); | |
| 165 EXPECT_EQ(kTestDataSize, bytes_written); | |
| 166 | |
| 167 // Read from EOF. | |
| 168 char data_read_1[32]; | |
| 169 int bytes_read = file.Read(kTestDataSize, data_read_1, kTestDataSize); | |
| 170 EXPECT_EQ(0, bytes_read); | |
| 171 | |
| 172 // Read from somewhere in the middle of the file. | |
| 173 const int kPartialReadOffset = 1; | |
| 174 bytes_read = file.Read(kPartialReadOffset, data_read_1, kTestDataSize); | |
| 175 EXPECT_EQ(kTestDataSize - kPartialReadOffset, bytes_read); | |
| 176 for (int i = 0; i < bytes_read; i++) | |
| 177 EXPECT_EQ(data_to_write[i + kPartialReadOffset], data_read_1[i]); | |
| 178 | |
| 179 // Read 0 bytes. | |
| 180 bytes_read = file.Read(0, data_read_1, 0); | |
| 181 EXPECT_EQ(0, bytes_read); | |
| 182 | |
| 183 // Read the entire file. | |
| 184 bytes_read = file.Read(0, data_read_1, kTestDataSize); | |
| 185 EXPECT_EQ(kTestDataSize, bytes_read); | |
| 186 for (int i = 0; i < bytes_read; i++) | |
| 187 EXPECT_EQ(data_to_write[i], data_read_1[i]); | |
| 188 | |
| 189 // Read again, but using the trivial native wrapper. | |
| 190 bytes_read = file.ReadNoBestEffort(0, data_read_1, kTestDataSize); | |
| 191 EXPECT_LE(bytes_read, kTestDataSize); | |
| 192 for (int i = 0; i < bytes_read; i++) | |
| 193 EXPECT_EQ(data_to_write[i], data_read_1[i]); | |
| 194 | |
| 195 // Write past the end of the file. | |
| 196 const int kOffsetBeyondEndOfFile = 10; | |
| 197 const int kPartialWriteLength = 2; | |
| 198 bytes_written = file.Write(kOffsetBeyondEndOfFile, | |
| 199 data_to_write, kPartialWriteLength); | |
| 200 EXPECT_EQ(kPartialWriteLength, bytes_written); | |
| 201 | |
| 202 // Make sure the file was extended. | |
| 203 int64 file_size = 0; | |
| 204 EXPECT_TRUE(GetFileSize(file_path, &file_size)); | |
| 205 EXPECT_EQ(kOffsetBeyondEndOfFile + kPartialWriteLength, file_size); | |
| 206 | |
| 207 // Make sure the file was zero-padded. | |
| 208 char data_read_2[32]; | |
| 209 bytes_read = file.Read(0, data_read_2, static_cast<int>(file_size)); | |
| 210 EXPECT_EQ(file_size, bytes_read); | |
| 211 for (int i = 0; i < kTestDataSize; i++) | |
| 212 EXPECT_EQ(data_to_write[i], data_read_2[i]); | |
| 213 for (int i = kTestDataSize; i < kOffsetBeyondEndOfFile; i++) | |
| 214 EXPECT_EQ(0, data_read_2[i]); | |
| 215 for (int i = kOffsetBeyondEndOfFile; i < file_size; i++) | |
| 216 EXPECT_EQ(data_to_write[i - kOffsetBeyondEndOfFile], data_read_2[i]); | |
| 217 } | |
| 218 | |
| 219 TEST(FileTest, Append) { | |
| 220 base::ScopedTempDir temp_dir; | |
| 221 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 222 FilePath file_path = temp_dir.path().AppendASCII("append_file"); | |
| 223 File file(file_path, base::File::FLAG_CREATE | base::File::FLAG_APPEND); | |
| 224 ASSERT_TRUE(file.IsValid()); | |
| 225 | |
| 226 char data_to_write[] = "test"; | |
| 227 const int kTestDataSize = 4; | |
| 228 | |
| 229 // Write 0 bytes to the file. | |
| 230 int bytes_written = file.Write(0, data_to_write, 0); | |
| 231 EXPECT_EQ(0, bytes_written); | |
| 232 | |
| 233 // Write "test" to the file. | |
| 234 bytes_written = file.Write(0, data_to_write, kTestDataSize); | |
| 235 EXPECT_EQ(kTestDataSize, bytes_written); | |
| 236 | |
| 237 file.Close(); | |
| 238 File file2(file_path, | |
| 239 base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 240 base::File::FLAG_APPEND); | |
| 241 ASSERT_TRUE(file2.IsValid()); | |
| 242 | |
| 243 // Test passing the file around. | |
| 244 file = file2.Pass(); | |
| 245 EXPECT_FALSE(file2.IsValid()); | |
| 246 ASSERT_TRUE(file.IsValid()); | |
| 247 | |
| 248 char append_data_to_write[] = "78"; | |
| 249 const int kAppendDataSize = 2; | |
| 250 | |
| 251 // Append "78" to the file. | |
| 252 bytes_written = file.Write(0, append_data_to_write, kAppendDataSize); | |
| 253 EXPECT_EQ(kAppendDataSize, bytes_written); | |
| 254 | |
| 255 // Read the entire file. | |
| 256 char data_read_1[32]; | |
| 257 int bytes_read = file.Read(0, data_read_1, | |
| 258 kTestDataSize + kAppendDataSize); | |
| 259 EXPECT_EQ(kTestDataSize + kAppendDataSize, bytes_read); | |
| 260 for (int i = 0; i < kTestDataSize; i++) | |
| 261 EXPECT_EQ(data_to_write[i], data_read_1[i]); | |
| 262 for (int i = 0; i < kAppendDataSize; i++) | |
| 263 EXPECT_EQ(append_data_to_write[i], data_read_1[kTestDataSize + i]); | |
| 264 } | |
| 265 | |
| 266 | |
| 267 TEST(FileTest, Length) { | |
| 268 base::ScopedTempDir temp_dir; | |
| 269 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 270 FilePath file_path = temp_dir.path().AppendASCII("truncate_file"); | |
| 271 File file(file_path, | |
| 272 base::File::FLAG_CREATE | base::File::FLAG_READ | | |
| 273 base::File::FLAG_WRITE); | |
| 274 ASSERT_TRUE(file.IsValid()); | |
| 275 EXPECT_EQ(0, file.GetLength()); | |
| 276 | |
| 277 // Write "test" to the file. | |
| 278 char data_to_write[] = "test"; | |
| 279 int kTestDataSize = 4; | |
| 280 int bytes_written = file.Write(0, data_to_write, kTestDataSize); | |
| 281 EXPECT_EQ(kTestDataSize, bytes_written); | |
| 282 | |
| 283 // Extend the file. | |
| 284 const int kExtendedFileLength = 10; | |
| 285 int64 file_size = 0; | |
| 286 EXPECT_TRUE(file.SetLength(kExtendedFileLength)); | |
| 287 EXPECT_EQ(kExtendedFileLength, file.GetLength()); | |
| 288 EXPECT_TRUE(GetFileSize(file_path, &file_size)); | |
| 289 EXPECT_EQ(kExtendedFileLength, file_size); | |
| 290 | |
| 291 // Make sure the file was zero-padded. | |
| 292 char data_read[32]; | |
| 293 int bytes_read = file.Read(0, data_read, static_cast<int>(file_size)); | |
| 294 EXPECT_EQ(file_size, bytes_read); | |
| 295 for (int i = 0; i < kTestDataSize; i++) | |
| 296 EXPECT_EQ(data_to_write[i], data_read[i]); | |
| 297 for (int i = kTestDataSize; i < file_size; i++) | |
| 298 EXPECT_EQ(0, data_read[i]); | |
| 299 | |
| 300 // Truncate the file. | |
| 301 const int kTruncatedFileLength = 2; | |
| 302 EXPECT_TRUE(file.SetLength(kTruncatedFileLength)); | |
| 303 EXPECT_EQ(kTruncatedFileLength, file.GetLength()); | |
| 304 EXPECT_TRUE(GetFileSize(file_path, &file_size)); | |
| 305 EXPECT_EQ(kTruncatedFileLength, file_size); | |
| 306 | |
| 307 // Make sure the file was truncated. | |
| 308 bytes_read = file.Read(0, data_read, kTestDataSize); | |
| 309 EXPECT_EQ(file_size, bytes_read); | |
| 310 for (int i = 0; i < file_size; i++) | |
| 311 EXPECT_EQ(data_to_write[i], data_read[i]); | |
| 312 } | |
| 313 | |
| 314 // Flakily fails: http://crbug.com/86494 | |
| 315 #if defined(OS_ANDROID) | |
| 316 TEST(FileTest, TouchGetInfo) { | |
| 317 #else | |
| 318 TEST(FileTest, DISABLED_TouchGetInfo) { | |
| 319 #endif | |
| 320 base::ScopedTempDir temp_dir; | |
| 321 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 322 File file(temp_dir.path().AppendASCII("touch_get_info_file"), | |
| 323 base::File::FLAG_CREATE | base::File::FLAG_WRITE | | |
| 324 base::File::FLAG_WRITE_ATTRIBUTES); | |
| 325 ASSERT_TRUE(file.IsValid()); | |
| 326 | |
| 327 // Get info for a newly created file. | |
| 328 base::File::Info info; | |
| 329 EXPECT_TRUE(file.GetInfo(&info)); | |
| 330 | |
| 331 // Add 2 seconds to account for possible rounding errors on | |
| 332 // filesystems that use a 1s or 2s timestamp granularity. | |
| 333 base::Time now = base::Time::Now() + base::TimeDelta::FromSeconds(2); | |
| 334 EXPECT_EQ(0, info.size); | |
| 335 EXPECT_FALSE(info.is_directory); | |
| 336 EXPECT_FALSE(info.is_symbolic_link); | |
| 337 EXPECT_LE(info.last_accessed.ToInternalValue(), now.ToInternalValue()); | |
| 338 EXPECT_LE(info.last_modified.ToInternalValue(), now.ToInternalValue()); | |
| 339 EXPECT_LE(info.creation_time.ToInternalValue(), now.ToInternalValue()); | |
| 340 base::Time creation_time = info.creation_time; | |
| 341 | |
| 342 // Write "test" to the file. | |
| 343 char data[] = "test"; | |
| 344 const int kTestDataSize = 4; | |
| 345 int bytes_written = file.Write(0, data, kTestDataSize); | |
| 346 EXPECT_EQ(kTestDataSize, bytes_written); | |
| 347 | |
| 348 // Change the last_accessed and last_modified dates. | |
| 349 // It's best to add values that are multiples of 2 (in seconds) | |
| 350 // to the current last_accessed and last_modified times, because | |
| 351 // FATxx uses a 2s timestamp granularity. | |
| 352 base::Time new_last_accessed = | |
| 353 info.last_accessed + base::TimeDelta::FromSeconds(234); | |
| 354 base::Time new_last_modified = | |
| 355 info.last_modified + base::TimeDelta::FromMinutes(567); | |
| 356 | |
| 357 EXPECT_TRUE(file.SetTimes(new_last_accessed, new_last_modified)); | |
| 358 | |
| 359 // Make sure the file info was updated accordingly. | |
| 360 EXPECT_TRUE(file.GetInfo(&info)); | |
| 361 EXPECT_EQ(info.size, kTestDataSize); | |
| 362 EXPECT_FALSE(info.is_directory); | |
| 363 EXPECT_FALSE(info.is_symbolic_link); | |
| 364 | |
| 365 // ext2/ext3 and HPS/HPS+ seem to have a timestamp granularity of 1s. | |
| 366 #if defined(OS_POSIX) | |
| 367 EXPECT_EQ(info.last_accessed.ToTimeVal().tv_sec, | |
| 368 new_last_accessed.ToTimeVal().tv_sec); | |
| 369 EXPECT_EQ(info.last_modified.ToTimeVal().tv_sec, | |
| 370 new_last_modified.ToTimeVal().tv_sec); | |
| 371 #else | |
| 372 EXPECT_EQ(info.last_accessed.ToInternalValue(), | |
| 373 new_last_accessed.ToInternalValue()); | |
| 374 EXPECT_EQ(info.last_modified.ToInternalValue(), | |
| 375 new_last_modified.ToInternalValue()); | |
| 376 #endif | |
| 377 | |
| 378 EXPECT_EQ(info.creation_time.ToInternalValue(), | |
| 379 creation_time.ToInternalValue()); | |
| 380 } | |
| 381 | |
| 382 TEST(FileTest, ReadAtCurrentPosition) { | |
| 383 base::ScopedTempDir temp_dir; | |
| 384 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 385 FilePath file_path = temp_dir.path().AppendASCII("read_at_current_position"); | |
| 386 File file(file_path, | |
| 387 base::File::FLAG_CREATE | base::File::FLAG_READ | | |
| 388 base::File::FLAG_WRITE); | |
| 389 EXPECT_TRUE(file.IsValid()); | |
| 390 | |
| 391 const char kData[] = "test"; | |
| 392 const int kDataSize = sizeof(kData) - 1; | |
| 393 EXPECT_EQ(kDataSize, file.Write(0, kData, kDataSize)); | |
| 394 | |
| 395 EXPECT_EQ(0, file.Seek(base::File::FROM_BEGIN, 0)); | |
| 396 | |
| 397 char buffer[kDataSize]; | |
| 398 int first_chunk_size = kDataSize / 2; | |
| 399 EXPECT_EQ(first_chunk_size, file.ReadAtCurrentPos(buffer, first_chunk_size)); | |
| 400 EXPECT_EQ(kDataSize - first_chunk_size, | |
| 401 file.ReadAtCurrentPos(buffer + first_chunk_size, | |
| 402 kDataSize - first_chunk_size)); | |
| 403 EXPECT_EQ(std::string(buffer, buffer + kDataSize), std::string(kData)); | |
| 404 } | |
| 405 | |
| 406 TEST(FileTest, WriteAtCurrentPosition) { | |
| 407 base::ScopedTempDir temp_dir; | |
| 408 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 409 FilePath file_path = temp_dir.path().AppendASCII("write_at_current_position"); | |
| 410 File file(file_path, | |
| 411 base::File::FLAG_CREATE | base::File::FLAG_READ | | |
| 412 base::File::FLAG_WRITE); | |
| 413 EXPECT_TRUE(file.IsValid()); | |
| 414 | |
| 415 const char kData[] = "test"; | |
| 416 const int kDataSize = sizeof(kData) - 1; | |
| 417 | |
| 418 int first_chunk_size = kDataSize / 2; | |
| 419 EXPECT_EQ(first_chunk_size, file.WriteAtCurrentPos(kData, first_chunk_size)); | |
| 420 EXPECT_EQ(kDataSize - first_chunk_size, | |
| 421 file.WriteAtCurrentPos(kData + first_chunk_size, | |
| 422 kDataSize - first_chunk_size)); | |
| 423 | |
| 424 char buffer[kDataSize]; | |
| 425 EXPECT_EQ(kDataSize, file.Read(0, buffer, kDataSize)); | |
| 426 EXPECT_EQ(std::string(buffer, buffer + kDataSize), std::string(kData)); | |
| 427 } | |
| 428 | |
| 429 TEST(FileTest, Seek) { | |
| 430 base::ScopedTempDir temp_dir; | |
| 431 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 432 FilePath file_path = temp_dir.path().AppendASCII("seek_file"); | |
| 433 File file(file_path, | |
| 434 base::File::FLAG_CREATE | base::File::FLAG_READ | | |
| 435 base::File::FLAG_WRITE); | |
| 436 ASSERT_TRUE(file.IsValid()); | |
| 437 | |
| 438 const int64 kOffset = 10; | |
| 439 EXPECT_EQ(kOffset, file.Seek(base::File::FROM_BEGIN, kOffset)); | |
| 440 EXPECT_EQ(2 * kOffset, file.Seek(base::File::FROM_CURRENT, kOffset)); | |
| 441 EXPECT_EQ(kOffset, file.Seek(base::File::FROM_CURRENT, -kOffset)); | |
| 442 EXPECT_TRUE(file.SetLength(kOffset * 2)); | |
| 443 EXPECT_EQ(kOffset, file.Seek(base::File::FROM_END, -kOffset)); | |
| 444 } | |
| 445 | |
| 446 TEST(FileTest, Duplicate) { | |
| 447 base::ScopedTempDir temp_dir; | |
| 448 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 449 FilePath file_path = temp_dir.path().AppendASCII("file"); | |
| 450 File file(file_path,(base::File::FLAG_CREATE | | |
| 451 base::File::FLAG_READ | | |
| 452 base::File::FLAG_WRITE)); | |
| 453 ASSERT_TRUE(file.IsValid()); | |
| 454 | |
| 455 File file2(file.Duplicate()); | |
| 456 ASSERT_TRUE(file2.IsValid()); | |
| 457 | |
| 458 // Write through one handle, close it, read through the other. | |
| 459 static const char kData[] = "now is a good time."; | |
| 460 static const int kDataLen = sizeof(kData) - 1; | |
| 461 | |
| 462 ASSERT_EQ(0, file.Seek(base::File::FROM_CURRENT, 0)); | |
| 463 ASSERT_EQ(0, file2.Seek(base::File::FROM_CURRENT, 0)); | |
| 464 ASSERT_EQ(kDataLen, file.WriteAtCurrentPos(kData, kDataLen)); | |
| 465 ASSERT_EQ(kDataLen, file.Seek(base::File::FROM_CURRENT, 0)); | |
| 466 ASSERT_EQ(kDataLen, file2.Seek(base::File::FROM_CURRENT, 0)); | |
| 467 file.Close(); | |
| 468 char buf[kDataLen]; | |
| 469 ASSERT_EQ(kDataLen, file2.Read(0, &buf[0], kDataLen)); | |
| 470 ASSERT_EQ(std::string(kData, kDataLen), std::string(&buf[0], kDataLen)); | |
| 471 } | |
| 472 | |
| 473 TEST(FileTest, DuplicateDeleteOnClose) { | |
| 474 base::ScopedTempDir temp_dir; | |
| 475 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 476 FilePath file_path = temp_dir.path().AppendASCII("file"); | |
| 477 File file(file_path,(base::File::FLAG_CREATE | | |
| 478 base::File::FLAG_READ | | |
| 479 base::File::FLAG_WRITE | | |
| 480 base::File::FLAG_DELETE_ON_CLOSE)); | |
| 481 ASSERT_TRUE(file.IsValid()); | |
| 482 File file2(file.Duplicate()); | |
| 483 ASSERT_TRUE(file2.IsValid()); | |
| 484 file.Close(); | |
| 485 file2.Close(); | |
| 486 ASSERT_FALSE(base::PathExists(file_path)); | |
| 487 } | |
| 488 | |
| 489 #if defined(OS_WIN) | |
| 490 TEST(FileTest, GetInfoForDirectory) { | |
| 491 base::ScopedTempDir temp_dir; | |
| 492 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 493 FilePath empty_dir = temp_dir.path().Append(FILE_PATH_LITERAL("gpfi_test")); | |
| 494 ASSERT_TRUE(CreateDirectory(empty_dir)); | |
| 495 | |
| 496 base::File dir( | |
| 497 ::CreateFile(empty_dir.value().c_str(), | |
| 498 FILE_ALL_ACCESS, | |
| 499 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, | |
| 500 NULL, | |
| 501 OPEN_EXISTING, | |
| 502 FILE_FLAG_BACKUP_SEMANTICS, // Needed to open a directory. | |
| 503 NULL)); | |
| 504 ASSERT_TRUE(dir.IsValid()); | |
| 505 | |
| 506 base::File::Info info; | |
| 507 EXPECT_TRUE(dir.GetInfo(&info)); | |
| 508 EXPECT_TRUE(info.is_directory); | |
| 509 EXPECT_FALSE(info.is_symbolic_link); | |
| 510 EXPECT_EQ(0, info.size); | |
| 511 } | |
| 512 #endif // defined(OS_WIN) | |
| 513 | |
| 514 #if defined(OS_POSIX) && defined(GTEST_HAS_DEATH_TEST) | |
| 515 TEST(FileTest, MemoryCorruption) { | |
| 516 { | |
| 517 // Test that changing the checksum value is detected. | |
| 518 base::File file; | |
| 519 EXPECT_NE(file.file_.file_memory_checksum_, | |
| 520 implicit_cast<unsigned int>(file.GetPlatformFile())); | |
| 521 file.file_.file_memory_checksum_ = file.GetPlatformFile(); | |
| 522 EXPECT_DEATH(file.IsValid(), ""); | |
| 523 | |
| 524 file.file_.UpdateChecksum(); // Do not crash on File::~File(). | |
| 525 } | |
| 526 | |
| 527 { | |
| 528 // Test that changing the file descriptor value is detected. | |
| 529 base::File file; | |
| 530 file.file_.file_.reset(17); | |
| 531 EXPECT_DEATH(file.IsValid(), ""); | |
| 532 | |
| 533 // Do not crash on File::~File(). | |
| 534 ignore_result(file.file_.file_.release()); | |
| 535 file.file_.UpdateChecksum(); | |
| 536 } | |
| 537 | |
| 538 { | |
| 539 // Test that GetPlatformFile() checks for corruption. | |
| 540 base::File file; | |
| 541 file.file_.file_memory_checksum_ = file.GetPlatformFile(); | |
| 542 EXPECT_DEATH(file.GetPlatformFile(), ""); | |
| 543 | |
| 544 file.file_.UpdateChecksum(); // Do not crash on File::~File(). | |
| 545 } | |
| 546 | |
| 547 { | |
| 548 // Test that the base::File destructor checks for corruption. | |
| 549 scoped_ptr<base::File> file(new File()); | |
| 550 file->file_.file_memory_checksum_ = file->GetPlatformFile(); | |
| 551 EXPECT_DEATH(file.reset(), ""); | |
| 552 | |
| 553 // Do not crash on this thread's destructor call. | |
| 554 file->file_.UpdateChecksum(); | |
| 555 } | |
| 556 | |
| 557 { | |
| 558 // Test that the base::File constructor checks for corruption. | |
| 559 base::File file; | |
| 560 file.file_.file_memory_checksum_ = file.GetPlatformFile(); | |
| 561 EXPECT_DEATH(File f(file.Pass()), ""); | |
| 562 | |
| 563 file.file_.UpdateChecksum(); // Do not crash on File::~File(). | |
| 564 } | |
| 565 | |
| 566 { | |
| 567 // Test that doing IO checks for corruption. | |
| 568 base::File file; | |
| 569 file.file_.file_.reset(17); // A fake open FD value. | |
| 570 | |
| 571 EXPECT_DEATH(file.Seek(File::FROM_BEGIN, 0), ""); | |
| 572 EXPECT_DEATH(file.Read(0, NULL, 0), ""); | |
| 573 EXPECT_DEATH(file.ReadAtCurrentPos(NULL, 0), ""); | |
| 574 EXPECT_DEATH(file.Write(0, NULL, 0), ""); | |
| 575 | |
| 576 ignore_result(file.file_.file_.release()); | |
| 577 file.file_.UpdateChecksum(); | |
| 578 } | |
| 579 } | |
| 580 #endif // defined(OS_POSIX) | |
| OLD | NEW |
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