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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 "net/base/file_stream.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/callback.h" | |
| 9 #include "base/files/file.h" | |
| 10 #include "base/files/file_util.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/message_loop/message_loop_proxy.h" | |
| 13 #include "base/path_service.h" | |
| 14 #include "base/run_loop.h" | |
| 15 #include "base/strings/string_util.h" | |
| 16 #include "base/synchronization/waitable_event.h" | |
| 17 #include "base/test/test_timeouts.h" | |
| 18 #include "base/threading/sequenced_worker_pool.h" | |
| 19 #include "base/threading/thread_restrictions.h" | |
| 20 #include "net/base/capturing_net_log.h" | |
| 21 #include "net/base/io_buffer.h" | |
| 22 #include "net/base/net_errors.h" | |
| 23 #include "net/base/test_completion_callback.h" | |
| 24 #include "testing/gtest/include/gtest/gtest.h" | |
| 25 #include "testing/platform_test.h" | |
| 26 | |
| 27 #if defined(OS_ANDROID) | |
| 28 #include "base/test/test_file_util.h" | |
| 29 #endif | |
| 30 | |
| 31 namespace net { | |
| 32 | |
| 33 namespace { | |
| 34 | |
| 35 const char kTestData[] = "0123456789"; | |
| 36 const int kTestDataSize = arraysize(kTestData) - 1; | |
| 37 | |
| 38 // Creates an IOBufferWithSize that contains the kTestDataSize. | |
| 39 IOBufferWithSize* CreateTestDataBuffer() { | |
| 40 IOBufferWithSize* buf = new IOBufferWithSize(kTestDataSize); | |
| 41 memcpy(buf->data(), kTestData, kTestDataSize); | |
| 42 return buf; | |
| 43 } | |
| 44 | |
| 45 } // namespace | |
| 46 | |
| 47 class FileStreamTest : public PlatformTest { | |
| 48 public: | |
| 49 void SetUp() override { | |
| 50 PlatformTest::SetUp(); | |
| 51 | |
| 52 base::CreateTemporaryFile(&temp_file_path_); | |
| 53 base::WriteFile(temp_file_path_, kTestData, kTestDataSize); | |
| 54 } | |
| 55 void TearDown() override { | |
| 56 // FileStreamContexts must be asynchronously closed on the file task runner | |
| 57 // before they can be deleted. Pump the RunLoop to avoid leaks. | |
| 58 base::RunLoop().RunUntilIdle(); | |
| 59 EXPECT_TRUE(base::DeleteFile(temp_file_path_, false)); | |
| 60 | |
| 61 PlatformTest::TearDown(); | |
| 62 } | |
| 63 | |
| 64 const base::FilePath temp_file_path() const { return temp_file_path_; } | |
| 65 | |
| 66 private: | |
| 67 base::FilePath temp_file_path_; | |
| 68 }; | |
| 69 | |
| 70 namespace { | |
| 71 | |
| 72 TEST_F(FileStreamTest, OpenExplicitClose) { | |
| 73 TestCompletionCallback callback; | |
| 74 FileStream stream(base::MessageLoopProxy::current()); | |
| 75 int flags = base::File::FLAG_OPEN | | |
| 76 base::File::FLAG_READ | | |
| 77 base::File::FLAG_ASYNC; | |
| 78 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 79 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 80 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 81 EXPECT_TRUE(stream.IsOpen()); | |
| 82 EXPECT_TRUE(stream.GetFileForTesting().IsValid()); | |
| 83 EXPECT_EQ(ERR_IO_PENDING, stream.Close(callback.callback())); | |
| 84 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 85 EXPECT_FALSE(stream.IsOpen()); | |
| 86 EXPECT_FALSE(stream.GetFileForTesting().IsValid()); | |
| 87 } | |
| 88 | |
| 89 TEST_F(FileStreamTest, OpenExplicitCloseOrphaned) { | |
| 90 TestCompletionCallback callback; | |
| 91 scoped_ptr<FileStream> stream(new FileStream( | |
| 92 base::MessageLoopProxy::current())); | |
| 93 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 94 base::File::FLAG_ASYNC; | |
| 95 int rv = stream->Open(temp_file_path(), flags, callback.callback()); | |
| 96 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 97 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 98 EXPECT_TRUE(stream->IsOpen()); | |
| 99 EXPECT_TRUE(stream->GetFileForTesting().IsValid()); | |
| 100 EXPECT_EQ(ERR_IO_PENDING, stream->Close(callback.callback())); | |
| 101 stream.reset(); | |
| 102 // File isn't actually closed yet. | |
| 103 base::RunLoop runloop; | |
| 104 runloop.RunUntilIdle(); | |
| 105 // The file should now be closed, though the callback has not been called. | |
| 106 } | |
| 107 | |
| 108 // Test the use of FileStream with a file handle provided at construction. | |
| 109 TEST_F(FileStreamTest, UseFileHandle) { | |
| 110 int rv = 0; | |
| 111 TestCompletionCallback callback; | |
| 112 TestInt64CompletionCallback callback64; | |
| 113 // 1. Test reading with a file handle. | |
| 114 ASSERT_EQ(kTestDataSize, | |
| 115 base::WriteFile(temp_file_path(), kTestData, kTestDataSize)); | |
| 116 int flags = base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_READ | | |
| 117 base::File::FLAG_ASYNC; | |
| 118 base::File file(temp_file_path(), flags); | |
| 119 | |
| 120 // Seek to the beginning of the file and read. | |
| 121 scoped_ptr<FileStream> read_stream( | |
| 122 new FileStream(file.Pass(), base::MessageLoopProxy::current())); | |
| 123 ASSERT_EQ(ERR_IO_PENDING, | |
| 124 read_stream->Seek(base::File::FROM_BEGIN, 0, | |
| 125 callback64.callback())); | |
| 126 ASSERT_EQ(0, callback64.WaitForResult()); | |
| 127 // Read into buffer and compare. | |
| 128 scoped_refptr<IOBufferWithSize> read_buffer = | |
| 129 new IOBufferWithSize(kTestDataSize); | |
| 130 rv = read_stream->Read(read_buffer.get(), kTestDataSize, callback.callback()); | |
| 131 ASSERT_EQ(kTestDataSize, callback.GetResult(rv)); | |
| 132 ASSERT_EQ(0, memcmp(kTestData, read_buffer->data(), kTestDataSize)); | |
| 133 read_stream.reset(); | |
| 134 | |
| 135 // 2. Test writing with a file handle. | |
| 136 base::DeleteFile(temp_file_path(), false); | |
| 137 flags = base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_WRITE | | |
| 138 base::File::FLAG_ASYNC; | |
| 139 file.Initialize(temp_file_path(), flags); | |
| 140 | |
| 141 scoped_ptr<FileStream> write_stream( | |
| 142 new FileStream(file.Pass(), base::MessageLoopProxy::current())); | |
| 143 ASSERT_EQ(ERR_IO_PENDING, | |
| 144 write_stream->Seek(base::File::FROM_BEGIN, 0, | |
| 145 callback64.callback())); | |
| 146 ASSERT_EQ(0, callback64.WaitForResult()); | |
| 147 scoped_refptr<IOBufferWithSize> write_buffer = CreateTestDataBuffer(); | |
| 148 rv = write_stream->Write(write_buffer.get(), kTestDataSize, | |
| 149 callback.callback()); | |
| 150 ASSERT_EQ(kTestDataSize, callback.GetResult(rv)); | |
| 151 write_stream.reset(); | |
| 152 | |
| 153 // Read into buffer and compare to make sure the handle worked fine. | |
| 154 ASSERT_EQ(kTestDataSize, | |
| 155 base::ReadFile(temp_file_path(), read_buffer->data(), | |
| 156 kTestDataSize)); | |
| 157 ASSERT_EQ(0, memcmp(kTestData, read_buffer->data(), kTestDataSize)); | |
| 158 } | |
| 159 | |
| 160 TEST_F(FileStreamTest, UseClosedStream) { | |
| 161 int rv = 0; | |
| 162 TestCompletionCallback callback; | |
| 163 TestInt64CompletionCallback callback64; | |
| 164 | |
| 165 FileStream stream(base::MessageLoopProxy::current()); | |
| 166 | |
| 167 EXPECT_FALSE(stream.IsOpen()); | |
| 168 | |
| 169 // Try seeking... | |
| 170 rv = stream.Seek(base::File::FROM_BEGIN, 5, callback64.callback()); | |
| 171 EXPECT_EQ(ERR_UNEXPECTED, callback64.GetResult(rv)); | |
| 172 | |
| 173 // Try reading... | |
| 174 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(10); | |
| 175 rv = stream.Read(buf.get(), buf->size(), callback.callback()); | |
| 176 EXPECT_EQ(ERR_UNEXPECTED, callback.GetResult(rv)); | |
| 177 } | |
| 178 | |
| 179 TEST_F(FileStreamTest, Read) { | |
| 180 int64 file_size; | |
| 181 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 182 | |
| 183 FileStream stream(base::MessageLoopProxy::current()); | |
| 184 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 185 base::File::FLAG_ASYNC; | |
| 186 TestCompletionCallback callback; | |
| 187 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 188 EXPECT_EQ(OK, callback.GetResult(rv)); | |
| 189 | |
| 190 int total_bytes_read = 0; | |
| 191 | |
| 192 std::string data_read; | |
| 193 for (;;) { | |
| 194 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 195 rv = stream.Read(buf.get(), buf->size(), callback.callback()); | |
| 196 rv = callback.GetResult(rv); | |
| 197 EXPECT_LE(0, rv); | |
| 198 if (rv <= 0) | |
| 199 break; | |
| 200 total_bytes_read += rv; | |
| 201 data_read.append(buf->data(), rv); | |
| 202 } | |
| 203 EXPECT_EQ(file_size, total_bytes_read); | |
| 204 EXPECT_EQ(kTestData, data_read); | |
| 205 } | |
| 206 | |
| 207 TEST_F(FileStreamTest, Read_EarlyDelete) { | |
| 208 int64 file_size; | |
| 209 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 210 | |
| 211 scoped_ptr<FileStream> stream( | |
| 212 new FileStream(base::MessageLoopProxy::current())); | |
| 213 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 214 base::File::FLAG_ASYNC; | |
| 215 TestCompletionCallback callback; | |
| 216 int rv = stream->Open(temp_file_path(), flags, callback.callback()); | |
| 217 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 218 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 219 | |
| 220 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 221 rv = stream->Read(buf.get(), buf->size(), callback.callback()); | |
| 222 stream.reset(); // Delete instead of closing it. | |
| 223 if (rv < 0) { | |
| 224 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 225 // The callback should not be called if the request is cancelled. | |
| 226 base::RunLoop().RunUntilIdle(); | |
| 227 EXPECT_FALSE(callback.have_result()); | |
| 228 } else { | |
| 229 EXPECT_EQ(std::string(kTestData, rv), std::string(buf->data(), rv)); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 TEST_F(FileStreamTest, Read_FromOffset) { | |
| 234 int64 file_size; | |
| 235 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 236 | |
| 237 FileStream stream(base::MessageLoopProxy::current()); | |
| 238 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 239 base::File::FLAG_ASYNC; | |
| 240 TestCompletionCallback callback; | |
| 241 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 242 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 243 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 244 | |
| 245 TestInt64CompletionCallback callback64; | |
| 246 const int64 kOffset = 3; | |
| 247 rv = stream.Seek(base::File::FROM_BEGIN, kOffset, callback64.callback()); | |
| 248 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 249 int64 new_offset = callback64.WaitForResult(); | |
| 250 EXPECT_EQ(kOffset, new_offset); | |
| 251 | |
| 252 int total_bytes_read = 0; | |
| 253 | |
| 254 std::string data_read; | |
| 255 for (;;) { | |
| 256 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 257 rv = stream.Read(buf.get(), buf->size(), callback.callback()); | |
| 258 if (rv == ERR_IO_PENDING) | |
| 259 rv = callback.WaitForResult(); | |
| 260 EXPECT_LE(0, rv); | |
| 261 if (rv <= 0) | |
| 262 break; | |
| 263 total_bytes_read += rv; | |
| 264 data_read.append(buf->data(), rv); | |
| 265 } | |
| 266 EXPECT_EQ(file_size - kOffset, total_bytes_read); | |
| 267 EXPECT_EQ(kTestData + kOffset, data_read); | |
| 268 } | |
| 269 | |
| 270 TEST_F(FileStreamTest, SeekAround) { | |
| 271 FileStream stream(base::MessageLoopProxy::current()); | |
| 272 int flags = base::File::FLAG_OPEN | base::File::FLAG_ASYNC | | |
| 273 base::File::FLAG_READ; | |
| 274 TestCompletionCallback callback; | |
| 275 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 276 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 277 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 278 | |
| 279 TestInt64CompletionCallback callback64; | |
| 280 | |
| 281 const int64 kOffset = 3; | |
| 282 rv = stream.Seek(base::File::FROM_BEGIN, kOffset, callback64.callback()); | |
| 283 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 284 int64 new_offset = callback64.WaitForResult(); | |
| 285 EXPECT_EQ(kOffset, new_offset); | |
| 286 | |
| 287 rv = stream.Seek(base::File::FROM_CURRENT, kOffset, callback64.callback()); | |
| 288 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 289 new_offset = callback64.WaitForResult(); | |
| 290 EXPECT_EQ(2 * kOffset, new_offset); | |
| 291 | |
| 292 rv = stream.Seek(base::File::FROM_CURRENT, -kOffset, callback64.callback()); | |
| 293 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 294 new_offset = callback64.WaitForResult(); | |
| 295 EXPECT_EQ(kOffset, new_offset); | |
| 296 | |
| 297 const int kTestDataLen = arraysize(kTestData) - 1; | |
| 298 | |
| 299 rv = stream.Seek(base::File::FROM_END, -kTestDataLen, callback64.callback()); | |
| 300 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 301 new_offset = callback64.WaitForResult(); | |
| 302 EXPECT_EQ(0, new_offset); | |
| 303 } | |
| 304 | |
| 305 TEST_F(FileStreamTest, Write) { | |
| 306 FileStream stream(base::MessageLoopProxy::current()); | |
| 307 int flags = base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE | | |
| 308 base::File::FLAG_ASYNC; | |
| 309 TestCompletionCallback callback; | |
| 310 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 311 EXPECT_EQ(OK, callback.GetResult(rv)); | |
| 312 | |
| 313 int64 file_size; | |
| 314 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 315 EXPECT_EQ(0, file_size); | |
| 316 | |
| 317 scoped_refptr<IOBuffer> buf = CreateTestDataBuffer(); | |
| 318 rv = stream.Write(buf.get(), kTestDataSize, callback.callback()); | |
| 319 rv = callback.GetResult(rv); | |
| 320 EXPECT_EQ(kTestDataSize, rv); | |
| 321 | |
| 322 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 323 EXPECT_EQ(kTestDataSize, file_size); | |
| 324 | |
| 325 std::string data_read; | |
| 326 EXPECT_TRUE(base::ReadFileToString(temp_file_path(), &data_read)); | |
| 327 EXPECT_EQ(kTestData, data_read); | |
| 328 } | |
| 329 | |
| 330 TEST_F(FileStreamTest, Write_EarlyDelete) { | |
| 331 scoped_ptr<FileStream> stream( | |
| 332 new FileStream(base::MessageLoopProxy::current())); | |
| 333 int flags = base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE | | |
| 334 base::File::FLAG_ASYNC; | |
| 335 TestCompletionCallback callback; | |
| 336 int rv = stream->Open(temp_file_path(), flags, callback.callback()); | |
| 337 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 338 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 339 | |
| 340 int64 file_size; | |
| 341 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 342 EXPECT_EQ(0, file_size); | |
| 343 | |
| 344 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 345 rv = stream->Write(buf.get(), buf->size(), callback.callback()); | |
| 346 stream.reset(); | |
| 347 if (rv < 0) { | |
| 348 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 349 // The callback should not be called if the request is cancelled. | |
| 350 base::RunLoop().RunUntilIdle(); | |
| 351 EXPECT_FALSE(callback.have_result()); | |
| 352 } else { | |
| 353 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 354 EXPECT_EQ(file_size, rv); | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 TEST_F(FileStreamTest, Write_FromOffset) { | |
| 359 int64 file_size; | |
| 360 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 361 | |
| 362 FileStream stream(base::MessageLoopProxy::current()); | |
| 363 int flags = base::File::FLAG_OPEN | base::File::FLAG_WRITE | | |
| 364 base::File::FLAG_ASYNC; | |
| 365 TestCompletionCallback callback; | |
| 366 int rv = stream.Open(temp_file_path(), flags, callback.callback()); | |
| 367 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 368 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 369 | |
| 370 TestInt64CompletionCallback callback64; | |
| 371 const int64 kOffset = 0; | |
| 372 rv = stream.Seek(base::File::FROM_END, kOffset, callback64.callback()); | |
| 373 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 374 int64 new_offset = callback64.WaitForResult(); | |
| 375 EXPECT_EQ(kTestDataSize, new_offset); | |
| 376 | |
| 377 int total_bytes_written = 0; | |
| 378 | |
| 379 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 380 scoped_refptr<DrainableIOBuffer> drainable = | |
| 381 new DrainableIOBuffer(buf.get(), buf->size()); | |
| 382 while (total_bytes_written != kTestDataSize) { | |
| 383 rv = stream.Write(drainable.get(), drainable->BytesRemaining(), | |
| 384 callback.callback()); | |
| 385 if (rv == ERR_IO_PENDING) | |
| 386 rv = callback.WaitForResult(); | |
| 387 EXPECT_LT(0, rv); | |
| 388 if (rv <= 0) | |
| 389 break; | |
| 390 drainable->DidConsume(rv); | |
| 391 total_bytes_written += rv; | |
| 392 } | |
| 393 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 394 EXPECT_EQ(file_size, kTestDataSize * 2); | |
| 395 } | |
| 396 | |
| 397 TEST_F(FileStreamTest, BasicReadWrite) { | |
| 398 int64 file_size; | |
| 399 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 400 | |
| 401 scoped_ptr<FileStream> stream( | |
| 402 new FileStream(base::MessageLoopProxy::current())); | |
| 403 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 404 base::File::FLAG_WRITE | base::File::FLAG_ASYNC; | |
| 405 TestCompletionCallback callback; | |
| 406 int rv = stream->Open(temp_file_path(), flags, callback.callback()); | |
| 407 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 408 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 409 | |
| 410 int64 total_bytes_read = 0; | |
| 411 | |
| 412 std::string data_read; | |
| 413 for (;;) { | |
| 414 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 415 rv = stream->Read(buf.get(), buf->size(), callback.callback()); | |
| 416 if (rv == ERR_IO_PENDING) | |
| 417 rv = callback.WaitForResult(); | |
| 418 EXPECT_LE(0, rv); | |
| 419 if (rv <= 0) | |
| 420 break; | |
| 421 total_bytes_read += rv; | |
| 422 data_read.append(buf->data(), rv); | |
| 423 } | |
| 424 EXPECT_EQ(file_size, total_bytes_read); | |
| 425 EXPECT_TRUE(data_read == kTestData); | |
| 426 | |
| 427 int total_bytes_written = 0; | |
| 428 | |
| 429 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 430 scoped_refptr<DrainableIOBuffer> drainable = | |
| 431 new DrainableIOBuffer(buf.get(), buf->size()); | |
| 432 while (total_bytes_written != kTestDataSize) { | |
| 433 rv = stream->Write(drainable.get(), drainable->BytesRemaining(), | |
| 434 callback.callback()); | |
| 435 if (rv == ERR_IO_PENDING) | |
| 436 rv = callback.WaitForResult(); | |
| 437 EXPECT_LT(0, rv); | |
| 438 if (rv <= 0) | |
| 439 break; | |
| 440 drainable->DidConsume(rv); | |
| 441 total_bytes_written += rv; | |
| 442 } | |
| 443 | |
| 444 stream.reset(); | |
| 445 | |
| 446 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 447 EXPECT_EQ(kTestDataSize * 2, file_size); | |
| 448 } | |
| 449 | |
| 450 TEST_F(FileStreamTest, BasicWriteRead) { | |
| 451 int64 file_size; | |
| 452 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 453 | |
| 454 scoped_ptr<FileStream> stream( | |
| 455 new FileStream(base::MessageLoopProxy::current())); | |
| 456 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 457 base::File::FLAG_WRITE | base::File::FLAG_ASYNC; | |
| 458 TestCompletionCallback callback; | |
| 459 int rv = stream->Open(temp_file_path(), flags, callback.callback()); | |
| 460 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 461 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 462 | |
| 463 TestInt64CompletionCallback callback64; | |
| 464 rv = stream->Seek(base::File::FROM_END, 0, callback64.callback()); | |
| 465 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 466 int64 offset = callback64.WaitForResult(); | |
| 467 EXPECT_EQ(offset, file_size); | |
| 468 | |
| 469 int total_bytes_written = 0; | |
| 470 | |
| 471 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 472 scoped_refptr<DrainableIOBuffer> drainable = | |
| 473 new DrainableIOBuffer(buf.get(), buf->size()); | |
| 474 while (total_bytes_written != kTestDataSize) { | |
| 475 rv = stream->Write(drainable.get(), drainable->BytesRemaining(), | |
| 476 callback.callback()); | |
| 477 if (rv == ERR_IO_PENDING) | |
| 478 rv = callback.WaitForResult(); | |
| 479 EXPECT_LT(0, rv); | |
| 480 if (rv <= 0) | |
| 481 break; | |
| 482 drainable->DidConsume(rv); | |
| 483 total_bytes_written += rv; | |
| 484 } | |
| 485 | |
| 486 EXPECT_EQ(kTestDataSize, total_bytes_written); | |
| 487 | |
| 488 rv = stream->Seek(base::File::FROM_BEGIN, 0, callback64.callback()); | |
| 489 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 490 offset = callback64.WaitForResult(); | |
| 491 EXPECT_EQ(0, offset); | |
| 492 | |
| 493 int total_bytes_read = 0; | |
| 494 | |
| 495 std::string data_read; | |
| 496 for (;;) { | |
| 497 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 498 rv = stream->Read(buf.get(), buf->size(), callback.callback()); | |
| 499 if (rv == ERR_IO_PENDING) | |
| 500 rv = callback.WaitForResult(); | |
| 501 EXPECT_LE(0, rv); | |
| 502 if (rv <= 0) | |
| 503 break; | |
| 504 total_bytes_read += rv; | |
| 505 data_read.append(buf->data(), rv); | |
| 506 } | |
| 507 stream.reset(); | |
| 508 | |
| 509 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 510 EXPECT_EQ(kTestDataSize * 2, file_size); | |
| 511 | |
| 512 EXPECT_EQ(kTestDataSize * 2, total_bytes_read); | |
| 513 const std::string kExpectedFileData = | |
| 514 std::string(kTestData) + std::string(kTestData); | |
| 515 EXPECT_EQ(kExpectedFileData, data_read); | |
| 516 } | |
| 517 | |
| 518 class TestWriteReadCompletionCallback { | |
| 519 public: | |
| 520 TestWriteReadCompletionCallback(FileStream* stream, | |
| 521 int* total_bytes_written, | |
| 522 int* total_bytes_read, | |
| 523 std::string* data_read) | |
| 524 : result_(0), | |
| 525 have_result_(false), | |
| 526 waiting_for_result_(false), | |
| 527 stream_(stream), | |
| 528 total_bytes_written_(total_bytes_written), | |
| 529 total_bytes_read_(total_bytes_read), | |
| 530 data_read_(data_read), | |
| 531 callback_(base::Bind(&TestWriteReadCompletionCallback::OnComplete, | |
| 532 base::Unretained(this))), | |
| 533 test_data_(CreateTestDataBuffer()), | |
| 534 drainable_(new DrainableIOBuffer(test_data_.get(), kTestDataSize)) {} | |
| 535 | |
| 536 int WaitForResult() { | |
| 537 DCHECK(!waiting_for_result_); | |
| 538 while (!have_result_) { | |
| 539 waiting_for_result_ = true; | |
| 540 base::RunLoop().Run(); | |
| 541 waiting_for_result_ = false; | |
| 542 } | |
| 543 have_result_ = false; // auto-reset for next callback | |
| 544 return result_; | |
| 545 } | |
| 546 | |
| 547 const CompletionCallback& callback() const { return callback_; } | |
| 548 | |
| 549 void ValidateWrittenData() { | |
| 550 TestCompletionCallback callback; | |
| 551 int rv = 0; | |
| 552 for (;;) { | |
| 553 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 554 rv = stream_->Read(buf.get(), buf->size(), callback.callback()); | |
| 555 if (rv == ERR_IO_PENDING) { | |
| 556 base::MessageLoop::ScopedNestableTaskAllower allow( | |
| 557 base::MessageLoop::current()); | |
| 558 rv = callback.WaitForResult(); | |
| 559 } | |
| 560 EXPECT_LE(0, rv); | |
| 561 if (rv <= 0) | |
| 562 break; | |
| 563 *total_bytes_read_ += rv; | |
| 564 data_read_->append(buf->data(), rv); | |
| 565 } | |
| 566 } | |
| 567 | |
| 568 private: | |
| 569 void OnComplete(int result) { | |
| 570 DCHECK_LT(0, result); | |
| 571 *total_bytes_written_ += result; | |
| 572 | |
| 573 int rv; | |
| 574 | |
| 575 if (*total_bytes_written_ != kTestDataSize) { | |
| 576 // Recurse to finish writing all data. | |
| 577 int total_bytes_written = 0, total_bytes_read = 0; | |
| 578 std::string data_read; | |
| 579 TestWriteReadCompletionCallback callback( | |
| 580 stream_, &total_bytes_written, &total_bytes_read, &data_read); | |
| 581 rv = stream_->Write( | |
| 582 drainable_.get(), drainable_->BytesRemaining(), callback.callback()); | |
| 583 DCHECK_EQ(ERR_IO_PENDING, rv); | |
| 584 rv = callback.WaitForResult(); | |
| 585 drainable_->DidConsume(total_bytes_written); | |
| 586 *total_bytes_written_ += total_bytes_written; | |
| 587 *total_bytes_read_ += total_bytes_read; | |
| 588 *data_read_ += data_read; | |
| 589 } else { // We're done writing all data. Start reading the data. | |
| 590 TestInt64CompletionCallback callback64; | |
| 591 EXPECT_EQ(ERR_IO_PENDING, | |
| 592 stream_->Seek(base::File::FROM_BEGIN, 0, | |
| 593 callback64.callback())); | |
| 594 { | |
| 595 base::MessageLoop::ScopedNestableTaskAllower allow( | |
| 596 base::MessageLoop::current()); | |
| 597 EXPECT_LE(0, callback64.WaitForResult()); | |
| 598 } | |
| 599 } | |
| 600 | |
| 601 result_ = *total_bytes_written_; | |
| 602 have_result_ = true; | |
| 603 if (waiting_for_result_) | |
| 604 base::MessageLoop::current()->Quit(); | |
| 605 } | |
| 606 | |
| 607 int result_; | |
| 608 bool have_result_; | |
| 609 bool waiting_for_result_; | |
| 610 FileStream* stream_; | |
| 611 int* total_bytes_written_; | |
| 612 int* total_bytes_read_; | |
| 613 std::string* data_read_; | |
| 614 const CompletionCallback callback_; | |
| 615 scoped_refptr<IOBufferWithSize> test_data_; | |
| 616 scoped_refptr<DrainableIOBuffer> drainable_; | |
| 617 | |
| 618 DISALLOW_COPY_AND_ASSIGN(TestWriteReadCompletionCallback); | |
| 619 }; | |
| 620 | |
| 621 TEST_F(FileStreamTest, WriteRead) { | |
| 622 int64 file_size; | |
| 623 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 624 | |
| 625 scoped_ptr<FileStream> stream( | |
| 626 new FileStream(base::MessageLoopProxy::current())); | |
| 627 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 628 base::File::FLAG_WRITE | base::File::FLAG_ASYNC; | |
| 629 TestCompletionCallback open_callback; | |
| 630 int rv = stream->Open(temp_file_path(), flags, open_callback.callback()); | |
| 631 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 632 EXPECT_EQ(OK, open_callback.WaitForResult()); | |
| 633 | |
| 634 TestInt64CompletionCallback callback64; | |
| 635 EXPECT_EQ(ERR_IO_PENDING, | |
| 636 stream->Seek(base::File::FROM_END, 0, callback64.callback())); | |
| 637 EXPECT_EQ(file_size, callback64.WaitForResult()); | |
| 638 | |
| 639 int total_bytes_written = 0; | |
| 640 int total_bytes_read = 0; | |
| 641 std::string data_read; | |
| 642 TestWriteReadCompletionCallback callback(stream.get(), &total_bytes_written, | |
| 643 &total_bytes_read, &data_read); | |
| 644 | |
| 645 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 646 rv = stream->Write(buf.get(), buf->size(), callback.callback()); | |
| 647 if (rv == ERR_IO_PENDING) | |
| 648 rv = callback.WaitForResult(); | |
| 649 EXPECT_LT(0, rv); | |
| 650 EXPECT_EQ(kTestDataSize, total_bytes_written); | |
| 651 | |
| 652 callback.ValidateWrittenData(); | |
| 653 | |
| 654 stream.reset(); | |
| 655 | |
| 656 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 657 EXPECT_EQ(kTestDataSize * 2, file_size); | |
| 658 | |
| 659 EXPECT_EQ(kTestDataSize * 2, total_bytes_read); | |
| 660 const std::string kExpectedFileData = | |
| 661 std::string(kTestData) + std::string(kTestData); | |
| 662 EXPECT_EQ(kExpectedFileData, data_read); | |
| 663 } | |
| 664 | |
| 665 class TestWriteCloseCompletionCallback { | |
| 666 public: | |
| 667 TestWriteCloseCompletionCallback(FileStream* stream, int* total_bytes_written) | |
| 668 : result_(0), | |
| 669 have_result_(false), | |
| 670 waiting_for_result_(false), | |
| 671 stream_(stream), | |
| 672 total_bytes_written_(total_bytes_written), | |
| 673 callback_(base::Bind(&TestWriteCloseCompletionCallback::OnComplete, | |
| 674 base::Unretained(this))), | |
| 675 test_data_(CreateTestDataBuffer()), | |
| 676 drainable_(new DrainableIOBuffer(test_data_.get(), kTestDataSize)) {} | |
| 677 | |
| 678 int WaitForResult() { | |
| 679 DCHECK(!waiting_for_result_); | |
| 680 while (!have_result_) { | |
| 681 waiting_for_result_ = true; | |
| 682 base::RunLoop().Run(); | |
| 683 waiting_for_result_ = false; | |
| 684 } | |
| 685 have_result_ = false; // auto-reset for next callback | |
| 686 return result_; | |
| 687 } | |
| 688 | |
| 689 const CompletionCallback& callback() const { return callback_; } | |
| 690 | |
| 691 private: | |
| 692 void OnComplete(int result) { | |
| 693 DCHECK_LT(0, result); | |
| 694 *total_bytes_written_ += result; | |
| 695 | |
| 696 int rv; | |
| 697 | |
| 698 if (*total_bytes_written_ != kTestDataSize) { | |
| 699 // Recurse to finish writing all data. | |
| 700 int total_bytes_written = 0; | |
| 701 TestWriteCloseCompletionCallback callback(stream_, &total_bytes_written); | |
| 702 rv = stream_->Write( | |
| 703 drainable_.get(), drainable_->BytesRemaining(), callback.callback()); | |
| 704 DCHECK_EQ(ERR_IO_PENDING, rv); | |
| 705 rv = callback.WaitForResult(); | |
| 706 drainable_->DidConsume(total_bytes_written); | |
| 707 *total_bytes_written_ += total_bytes_written; | |
| 708 } | |
| 709 | |
| 710 result_ = *total_bytes_written_; | |
| 711 have_result_ = true; | |
| 712 if (waiting_for_result_) | |
| 713 base::MessageLoop::current()->Quit(); | |
| 714 } | |
| 715 | |
| 716 int result_; | |
| 717 bool have_result_; | |
| 718 bool waiting_for_result_; | |
| 719 FileStream* stream_; | |
| 720 int* total_bytes_written_; | |
| 721 const CompletionCallback callback_; | |
| 722 scoped_refptr<IOBufferWithSize> test_data_; | |
| 723 scoped_refptr<DrainableIOBuffer> drainable_; | |
| 724 | |
| 725 DISALLOW_COPY_AND_ASSIGN(TestWriteCloseCompletionCallback); | |
| 726 }; | |
| 727 | |
| 728 TEST_F(FileStreamTest, WriteClose) { | |
| 729 int64 file_size; | |
| 730 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 731 | |
| 732 scoped_ptr<FileStream> stream( | |
| 733 new FileStream(base::MessageLoopProxy::current())); | |
| 734 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 735 base::File::FLAG_WRITE | base::File::FLAG_ASYNC; | |
| 736 TestCompletionCallback open_callback; | |
| 737 int rv = stream->Open(temp_file_path(), flags, open_callback.callback()); | |
| 738 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 739 EXPECT_EQ(OK, open_callback.WaitForResult()); | |
| 740 | |
| 741 TestInt64CompletionCallback callback64; | |
| 742 EXPECT_EQ(ERR_IO_PENDING, | |
| 743 stream->Seek(base::File::FROM_END, 0, callback64.callback())); | |
| 744 EXPECT_EQ(file_size, callback64.WaitForResult()); | |
| 745 | |
| 746 int total_bytes_written = 0; | |
| 747 TestWriteCloseCompletionCallback callback(stream.get(), &total_bytes_written); | |
| 748 | |
| 749 scoped_refptr<IOBufferWithSize> buf = CreateTestDataBuffer(); | |
| 750 rv = stream->Write(buf.get(), buf->size(), callback.callback()); | |
| 751 if (rv == ERR_IO_PENDING) | |
| 752 total_bytes_written = callback.WaitForResult(); | |
| 753 EXPECT_LT(0, total_bytes_written); | |
| 754 EXPECT_EQ(kTestDataSize, total_bytes_written); | |
| 755 | |
| 756 stream.reset(); | |
| 757 | |
| 758 EXPECT_TRUE(base::GetFileSize(temp_file_path(), &file_size)); | |
| 759 EXPECT_EQ(kTestDataSize * 2, file_size); | |
| 760 } | |
| 761 | |
| 762 TEST_F(FileStreamTest, OpenAndDelete) { | |
| 763 scoped_refptr<base::SequencedWorkerPool> pool( | |
| 764 new base::SequencedWorkerPool(1, "StreamTest")); | |
| 765 | |
| 766 bool prev = base::ThreadRestrictions::SetIOAllowed(false); | |
| 767 scoped_ptr<FileStream> stream(new FileStream(pool.get())); | |
| 768 int flags = base::File::FLAG_OPEN | base::File::FLAG_WRITE | | |
| 769 base::File::FLAG_ASYNC; | |
| 770 TestCompletionCallback open_callback; | |
| 771 int rv = stream->Open(temp_file_path(), flags, open_callback.callback()); | |
| 772 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 773 | |
| 774 // Delete the stream without waiting for the open operation to be | |
| 775 // complete. Should be safe. | |
| 776 stream.reset(); | |
| 777 | |
| 778 // Force an operation through the pool. | |
| 779 scoped_ptr<FileStream> stream2(new FileStream(pool.get())); | |
| 780 TestCompletionCallback open_callback2; | |
| 781 rv = stream2->Open(temp_file_path(), flags, open_callback2.callback()); | |
| 782 EXPECT_EQ(OK, open_callback2.GetResult(rv)); | |
| 783 stream2.reset(); | |
| 784 | |
| 785 pool->Shutdown(); | |
| 786 | |
| 787 // open_callback won't be called. | |
| 788 base::RunLoop().RunUntilIdle(); | |
| 789 EXPECT_FALSE(open_callback.have_result()); | |
| 790 base::ThreadRestrictions::SetIOAllowed(prev); | |
| 791 } | |
| 792 | |
| 793 // Verify that Write() errors are mapped correctly. | |
| 794 TEST_F(FileStreamTest, WriteError) { | |
| 795 // Try opening file as read-only and then writing to it using FileStream. | |
| 796 uint32 flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 797 base::File::FLAG_ASYNC; | |
| 798 | |
| 799 base::File file(temp_file_path(), flags); | |
| 800 ASSERT_TRUE(file.IsValid()); | |
| 801 | |
| 802 scoped_ptr<FileStream> stream( | |
| 803 new FileStream(file.Pass(), base::MessageLoopProxy::current())); | |
| 804 | |
| 805 scoped_refptr<IOBuffer> buf = new IOBuffer(1); | |
| 806 buf->data()[0] = 0; | |
| 807 | |
| 808 TestCompletionCallback callback; | |
| 809 int rv = stream->Write(buf.get(), 1, callback.callback()); | |
| 810 if (rv == ERR_IO_PENDING) | |
| 811 rv = callback.WaitForResult(); | |
| 812 EXPECT_LT(rv, 0); | |
| 813 | |
| 814 stream.reset(); | |
| 815 base::RunLoop().RunUntilIdle(); | |
| 816 } | |
| 817 | |
| 818 // Verify that Read() errors are mapped correctly. | |
| 819 TEST_F(FileStreamTest, ReadError) { | |
| 820 // Try opening file for write and then reading from it using FileStream. | |
| 821 uint32 flags = base::File::FLAG_OPEN | base::File::FLAG_WRITE | | |
| 822 base::File::FLAG_ASYNC; | |
| 823 | |
| 824 base::File file(temp_file_path(), flags); | |
| 825 ASSERT_TRUE(file.IsValid()); | |
| 826 | |
| 827 scoped_ptr<FileStream> stream( | |
| 828 new FileStream(file.Pass(), base::MessageLoopProxy::current())); | |
| 829 | |
| 830 scoped_refptr<IOBuffer> buf = new IOBuffer(1); | |
| 831 TestCompletionCallback callback; | |
| 832 int rv = stream->Read(buf.get(), 1, callback.callback()); | |
| 833 if (rv == ERR_IO_PENDING) | |
| 834 rv = callback.WaitForResult(); | |
| 835 EXPECT_LT(rv, 0); | |
| 836 | |
| 837 stream.reset(); | |
| 838 base::RunLoop().RunUntilIdle(); | |
| 839 } | |
| 840 | |
| 841 #if defined(OS_ANDROID) | |
| 842 TEST_F(FileStreamTest, ContentUriRead) { | |
| 843 base::FilePath test_dir; | |
| 844 PathService::Get(base::DIR_SOURCE_ROOT, &test_dir); | |
| 845 test_dir = test_dir.AppendASCII("net"); | |
| 846 test_dir = test_dir.AppendASCII("data"); | |
| 847 test_dir = test_dir.AppendASCII("file_stream_unittest"); | |
| 848 ASSERT_TRUE(base::PathExists(test_dir)); | |
| 849 base::FilePath image_file = test_dir.Append(FILE_PATH_LITERAL("red.png")); | |
| 850 | |
| 851 // Insert the image into MediaStore. MediaStore will do some conversions, and | |
| 852 // return the content URI. | |
| 853 base::FilePath path = base::InsertImageIntoMediaStore(image_file); | |
| 854 EXPECT_TRUE(path.IsContentUri()); | |
| 855 EXPECT_TRUE(base::PathExists(path)); | |
| 856 int64 file_size; | |
| 857 EXPECT_TRUE(base::GetFileSize(path, &file_size)); | |
| 858 EXPECT_LT(0, file_size); | |
| 859 | |
| 860 FileStream stream(base::MessageLoopProxy::current()); | |
| 861 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 862 base::File::FLAG_ASYNC; | |
| 863 TestCompletionCallback callback; | |
| 864 int rv = stream.Open(path, flags, callback.callback()); | |
| 865 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 866 EXPECT_EQ(OK, callback.WaitForResult()); | |
| 867 | |
| 868 int total_bytes_read = 0; | |
| 869 | |
| 870 std::string data_read; | |
| 871 for (;;) { | |
| 872 scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(4); | |
| 873 rv = stream.Read(buf.get(), buf->size(), callback.callback()); | |
| 874 if (rv == ERR_IO_PENDING) | |
| 875 rv = callback.WaitForResult(); | |
| 876 EXPECT_LE(0, rv); | |
| 877 if (rv <= 0) | |
| 878 break; | |
| 879 total_bytes_read += rv; | |
| 880 data_read.append(buf->data(), rv); | |
| 881 } | |
| 882 EXPECT_EQ(file_size, total_bytes_read); | |
| 883 } | |
| 884 #endif | |
| 885 | |
| 886 } // namespace | |
| 887 | |
| 888 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master