Remove base/platform_file.*

base/platform_file_unittest.cc

Index: base/platform_file_unittest.cc
diff --git a/base/platform_file_unittest.cc b/base/platform_file_unittest.cc
deleted file mode 100644
index 70058ea4ebf144fc41851461decdd90676110853..0000000000000000000000000000000000000000
--- a/base/platform_file_unittest.cc
+++ /dev/null
@@ -1,454 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/platform_file.h"
-#include "base/time/time.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-
-namespace {
-
-// Reads from a file the given number of bytes, or until EOF is reached.
-// Returns the number of bytes read.
-int ReadFully(PlatformFile file, int64 offset, char* data, int size) {
-  return ReadPlatformFile(file, offset, data, size);
-}
-
-// Writes the given number of bytes to a file.
-// Returns the number of bytes written.
-int WriteFully(PlatformFile file, int64 offset,
-               const char* data, int size) {
-  return WritePlatformFile(file, offset, data, size);
-}
-
-PlatformFile CreatePlatformFile(const FilePath& path,
-                                int flags,
-                                bool* created,
-                                PlatformFileError* error) {
-  File file(path, flags);
-  if (!file.IsValid()) {
-    if (error)
-      *error = static_cast<PlatformFileError>(file.error_details());
-    return kInvalidPlatformFileValue;
-  }
-
-  if (created)
-    *created = file.created();
-
-  if (error)
-    *error = PLATFORM_FILE_OK;
-
-  return file.TakePlatformFile();
-}
-
-} // namespace
-
-TEST(PlatformFile, CreatePlatformFile) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path = temp_dir.path().AppendASCII("create_file_1");
-
-  // Open a file that doesn't exist.
-  PlatformFileError error_code = PLATFORM_FILE_OK;
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN | PLATFORM_FILE_READ,
-      NULL,
-      &error_code);
-  EXPECT_EQ(kInvalidPlatformFileValue, file);
-  EXPECT_EQ(PLATFORM_FILE_ERROR_NOT_FOUND, error_code);
-
-  // Open or create a file.
-  bool created = false;
-  error_code = PLATFORM_FILE_OK;
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN_ALWAYS | PLATFORM_FILE_READ,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_TRUE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-  ClosePlatformFile(file);
-
-  // Open an existing file.
-  created = false;
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN | PLATFORM_FILE_READ,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_FALSE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-  ClosePlatformFile(file);
-
-  // Create a file that exists.
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_READ,
-      &created,
-      &error_code);
-  EXPECT_EQ(kInvalidPlatformFileValue, file);
-  EXPECT_FALSE(created);
-  EXPECT_EQ(PLATFORM_FILE_ERROR_EXISTS, error_code);
-
-  // Create or overwrite a file.
-  error_code = PLATFORM_FILE_OK;
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE_ALWAYS | PLATFORM_FILE_WRITE,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_TRUE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-  ClosePlatformFile(file);
-
-  // Create a delete-on-close file.
-  created = false;
-  file_path = temp_dir.path().AppendASCII("create_file_2");
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN_ALWAYS | PLATFORM_FILE_DELETE_ON_CLOSE |
-          PLATFORM_FILE_READ,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_TRUE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-
-  EXPECT_TRUE(ClosePlatformFile(file));
-  EXPECT_FALSE(PathExists(file_path));
-}
-
-TEST(PlatformFile, DeleteOpenFile) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path = temp_dir.path().AppendASCII("create_file_1");
-
-  // Create a file.
-  bool created = false;
-  PlatformFileError error_code = PLATFORM_FILE_OK;
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN_ALWAYS | PLATFORM_FILE_READ |
-          PLATFORM_FILE_SHARE_DELETE,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_TRUE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-
-  // Open an existing file and mark it as delete on close.
-  created = false;
-  PlatformFile same_file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN | PLATFORM_FILE_DELETE_ON_CLOSE |
-          PLATFORM_FILE_READ,
-      &created,
-      &error_code);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-  EXPECT_FALSE(created);
-  EXPECT_EQ(PLATFORM_FILE_OK, error_code);
-
-  // Close both handles and check that the file is gone.
-  ClosePlatformFile(file);
-  ClosePlatformFile(same_file);
-  EXPECT_FALSE(PathExists(file_path));
-}
-
-TEST(PlatformFile, ReadWritePlatformFile) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path = temp_dir.path().AppendASCII("read_write_file");
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_READ |
-          PLATFORM_FILE_WRITE,
-      NULL,
-      NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  char data_to_write[] = "test";
-  const int kTestDataSize = 4;
-
-  // Write 0 bytes to the file.
-  int bytes_written = WriteFully(file, 0, data_to_write, 0);
-  EXPECT_EQ(0, bytes_written);
-
-  // Write "test" to the file.
-  bytes_written = WriteFully(file, 0, data_to_write, kTestDataSize);
-  EXPECT_EQ(kTestDataSize, bytes_written);
-
-  // Read from EOF.
-  char data_read_1[32];
-  int bytes_read = ReadFully(file, kTestDataSize, data_read_1, kTestDataSize);
-  EXPECT_EQ(0, bytes_read);
-
-  // Read from somewhere in the middle of the file.
-  const int kPartialReadOffset = 1;
-  bytes_read = ReadFully(file, kPartialReadOffset, data_read_1, kTestDataSize);
-  EXPECT_EQ(kTestDataSize - kPartialReadOffset, bytes_read);
-  for (int i = 0; i < bytes_read; i++)
-    EXPECT_EQ(data_to_write[i + kPartialReadOffset], data_read_1[i]);
-
-  // Read 0 bytes.
-  bytes_read = ReadFully(file, 0, data_read_1, 0);
-  EXPECT_EQ(0, bytes_read);
-
-  // Read the entire file.
-  bytes_read = ReadFully(file, 0, data_read_1, kTestDataSize);
-  EXPECT_EQ(kTestDataSize, bytes_read);
-  for (int i = 0; i < bytes_read; i++)
-    EXPECT_EQ(data_to_write[i], data_read_1[i]);
-
-  // Read again, but using the trivial native wrapper.
-  bytes_read = ReadPlatformFileNoBestEffort(file, 0, data_read_1,
-                                                  kTestDataSize);
-  EXPECT_LE(bytes_read, kTestDataSize);
-  for (int i = 0; i < bytes_read; i++)
-    EXPECT_EQ(data_to_write[i], data_read_1[i]);
-
-  // Write past the end of the file.
-  const int kOffsetBeyondEndOfFile = 10;
-  const int kPartialWriteLength = 2;
-  bytes_written = WriteFully(file, kOffsetBeyondEndOfFile,
-                             data_to_write, kPartialWriteLength);
-  EXPECT_EQ(kPartialWriteLength, bytes_written);
-
-  // Make sure the file was extended.
-  int64 file_size = 0;
-  EXPECT_TRUE(GetFileSize(file_path, &file_size));
-  EXPECT_EQ(kOffsetBeyondEndOfFile + kPartialWriteLength, file_size);
-
-  // Make sure the file was zero-padded.
-  char data_read_2[32];
-  bytes_read = ReadFully(file, 0, data_read_2, static_cast<int>(file_size));
-  EXPECT_EQ(file_size, bytes_read);
-  for (int i = 0; i < kTestDataSize; i++)
-    EXPECT_EQ(data_to_write[i], data_read_2[i]);
-  for (int i = kTestDataSize; i < kOffsetBeyondEndOfFile; i++)
-    EXPECT_EQ(0, data_read_2[i]);
-  for (int i = kOffsetBeyondEndOfFile; i < file_size; i++)
-    EXPECT_EQ(data_to_write[i - kOffsetBeyondEndOfFile], data_read_2[i]);
-
-  // Close the file handle to allow the temp directory to be deleted.
-  ClosePlatformFile(file);
-}
-
-TEST(PlatformFile, AppendPlatformFile) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path = temp_dir.path().AppendASCII("append_file");
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_APPEND,
-      NULL,
-      NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  char data_to_write[] = "test";
-  const int kTestDataSize = 4;
-
-  // Write 0 bytes to the file.
-  int bytes_written = WriteFully(file, 0, data_to_write, 0);
-  EXPECT_EQ(0, bytes_written);
-
-  // Write "test" to the file.
-  bytes_written = WriteFully(file, 0, data_to_write, kTestDataSize);
-  EXPECT_EQ(kTestDataSize, bytes_written);
-
-  ClosePlatformFile(file);
-  file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_OPEN | PLATFORM_FILE_READ |
-          PLATFORM_FILE_APPEND,
-      NULL,
-      NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  char append_data_to_write[] = "78";
-  const int kAppendDataSize = 2;
-
-  // Append "78" to the file.
-  bytes_written = WriteFully(file, 0, append_data_to_write, kAppendDataSize);
-  EXPECT_EQ(kAppendDataSize, bytes_written);
-
-  // Read the entire file.
-  char data_read_1[32];
-  int bytes_read = ReadFully(file, 0, data_read_1,
-                             kTestDataSize + kAppendDataSize);
-  EXPECT_EQ(kTestDataSize + kAppendDataSize, bytes_read);
-  for (int i = 0; i < kTestDataSize; i++)
-    EXPECT_EQ(data_to_write[i], data_read_1[i]);
-  for (int i = 0; i < kAppendDataSize; i++)
-    EXPECT_EQ(append_data_to_write[i], data_read_1[kTestDataSize + i]);
-
-  // Close the file handle to allow the temp directory to be deleted.
-  ClosePlatformFile(file);
-}
-
-
-TEST(PlatformFile, TruncatePlatformFile) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path = temp_dir.path().AppendASCII("truncate_file");
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_READ |
-          PLATFORM_FILE_WRITE,
-      NULL,
-      NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  // Write "test" to the file.
-  char data_to_write[] = "test";
-  int kTestDataSize = 4;
-  int bytes_written = WriteFully(file, 0, data_to_write, kTestDataSize);
-  EXPECT_EQ(kTestDataSize, bytes_written);
-
-  // Extend the file.
-  const int kExtendedFileLength = 10;
-  int64 file_size = 0;
-  EXPECT_TRUE(TruncatePlatformFile(file, kExtendedFileLength));
-  EXPECT_TRUE(GetFileSize(file_path, &file_size));
-  EXPECT_EQ(kExtendedFileLength, file_size);
-
-  // Make sure the file was zero-padded.
-  char data_read[32];
-  int bytes_read = ReadFully(file, 0, data_read, static_cast<int>(file_size));
-  EXPECT_EQ(file_size, bytes_read);
-  for (int i = 0; i < kTestDataSize; i++)
-    EXPECT_EQ(data_to_write[i], data_read[i]);
-  for (int i = kTestDataSize; i < file_size; i++)
-    EXPECT_EQ(0, data_read[i]);
-
-  // Truncate the file.
-  const int kTruncatedFileLength = 2;
-  EXPECT_TRUE(TruncatePlatformFile(file, kTruncatedFileLength));
-  EXPECT_TRUE(GetFileSize(file_path, &file_size));
-  EXPECT_EQ(kTruncatedFileLength, file_size);
-
-  // Make sure the file was truncated.
-  bytes_read = ReadFully(file, 0, data_read, kTestDataSize);
-  EXPECT_EQ(file_size, bytes_read);
-  for (int i = 0; i < file_size; i++)
-    EXPECT_EQ(data_to_write[i], data_read[i]);
-
-  // Close the file handle to allow the temp directory to be deleted.
-  ClosePlatformFile(file);
-}
-
-// Flakily fails: http://crbug.com/86494
-#if defined(OS_ANDROID)
-TEST(PlatformFile, TouchGetInfoPlatformFile) {
-#else
-TEST(PlatformFile, DISABLED_TouchGetInfoPlatformFile) {
-#endif
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  PlatformFile file = CreatePlatformFile(
-      temp_dir.path().AppendASCII("touch_get_info_file"),
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_WRITE |
-          PLATFORM_FILE_WRITE_ATTRIBUTES,
-      NULL,
-      NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  // Get info for a newly created file.
-  PlatformFileInfo info;
-  EXPECT_TRUE(GetPlatformFileInfo(file, &info));
-
-  // Add 2 seconds to account for possible rounding errors on
-  // filesystems that use a 1s or 2s timestamp granularity.
-  Time now = Time::Now() + TimeDelta::FromSeconds(2);
-  EXPECT_EQ(0, info.size);
-  EXPECT_FALSE(info.is_directory);
-  EXPECT_FALSE(info.is_symbolic_link);
-  EXPECT_LE(info.last_accessed.ToInternalValue(), now.ToInternalValue());
-  EXPECT_LE(info.last_modified.ToInternalValue(), now.ToInternalValue());
-  EXPECT_LE(info.creation_time.ToInternalValue(), now.ToInternalValue());
-  Time creation_time = info.creation_time;
-
-  // Write "test" to the file.
-  char data[] = "test";
-  const int kTestDataSize = 4;
-  int bytes_written = WriteFully(file, 0, data, kTestDataSize);
-  EXPECT_EQ(kTestDataSize, bytes_written);
-
-  // Change the last_accessed and last_modified dates.
-  // It's best to add values that are multiples of 2 (in seconds)
-  // to the current last_accessed and last_modified times, because
-  // FATxx uses a 2s timestamp granularity.
-  Time new_last_accessed =
-      info.last_accessed + TimeDelta::FromSeconds(234);
-  Time new_last_modified =
-      info.last_modified + TimeDelta::FromMinutes(567);
-
-  EXPECT_TRUE(TouchPlatformFile(file, new_last_accessed, new_last_modified));
-
-  // Make sure the file info was updated accordingly.
-  EXPECT_TRUE(GetPlatformFileInfo(file, &info));
-  EXPECT_EQ(info.size, kTestDataSize);
-  EXPECT_FALSE(info.is_directory);
-  EXPECT_FALSE(info.is_symbolic_link);
-
-  // ext2/ext3 and HPS/HPS+ seem to have a timestamp granularity of 1s.
-#if defined(OS_POSIX)
-  EXPECT_EQ(info.last_accessed.ToTimeVal().tv_sec,
-            new_last_accessed.ToTimeVal().tv_sec);
-  EXPECT_EQ(info.last_modified.ToTimeVal().tv_sec,
-            new_last_modified.ToTimeVal().tv_sec);
-#else
-  EXPECT_EQ(info.last_accessed.ToInternalValue(),
-            new_last_accessed.ToInternalValue());
-  EXPECT_EQ(info.last_modified.ToInternalValue(),
-            new_last_modified.ToInternalValue());
-#endif
-
-  EXPECT_EQ(info.creation_time.ToInternalValue(),
-            creation_time.ToInternalValue());
-
-  // Close the file handle to allow the temp directory to be deleted.
-  ClosePlatformFile(file);
-}
-
-TEST(PlatformFile, ReadFileAtCurrentPosition) {
-  ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  FilePath file_path =
-      temp_dir.path().AppendASCII("read_file_at_current_position");
-  PlatformFile file = CreatePlatformFile(
-      file_path,
-      PLATFORM_FILE_CREATE | PLATFORM_FILE_READ |
-          PLATFORM_FILE_WRITE,
-      NULL, NULL);
-  EXPECT_NE(kInvalidPlatformFileValue, file);
-
-  const char kData[] = "test";
-  const int kDataSize = arraysize(kData) - 1;
-  EXPECT_EQ(kDataSize, WriteFully(file, 0, kData, kDataSize));
-
-  EXPECT_EQ(0, SeekPlatformFile(file, PLATFORM_FILE_FROM_BEGIN, 0));
-
-  char buffer[kDataSize];
-  int first_chunk_size = kDataSize / 2;
-  EXPECT_EQ(first_chunk_size,
-            ReadPlatformFileAtCurrentPos(
-                file, buffer, first_chunk_size));
-  EXPECT_EQ(kDataSize - first_chunk_size,
-            ReadPlatformFileAtCurrentPos(
-                file, buffer + first_chunk_size,
-                kDataSize - first_chunk_size));
-  EXPECT_EQ(std::string(buffer, buffer + kDataSize),
-            std::string(kData));
-
-  ClosePlatformFile(file);
-}
-
-}  // namespace base