blob: 6c2141018a28b20e55a62321c0d7fe1f4c0fe1fd [file] [log] [blame]
// 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.
// File utility functions used only by tests.
#include <string>
#include "base/compiler_specific.h"
#include "base/file_path.h"
class FilePath;
namespace file_util {
// Wrapper over file_util::Delete. On Windows repeatedly invokes Delete in case
// of failure to workaround Windows file locking semantics. Returns true on
// success.
bool DieFileDie(const FilePath& file, bool recurse);
// Clear a specific file from the system cache. After this call, trying
// to access this file will result in a cold load from the hard drive.
bool EvictFileFromSystemCache(const FilePath& file);
// Like CopyFileNoCache but recursively copies all files and subdirectories
// in the given input directory to the output directory. Any files in the
// destination that already exist will be overwritten.
// Returns true on success. False means there was some error copying, so the
// state of the destination is unknown.
bool CopyRecursiveDirNoCache(const FilePath& source_dir,
const FilePath& dest_dir);
#if defined(OS_WIN)
// Returns true if the volume supports Alternate Data Streams.
bool VolumeSupportsADS(const FilePath& path);
// Returns true if the ZoneIdentifier is correctly set to "Internet" (3).
// Note that this function must be called from the same process as
// the one that set the zone identifier. I.e. don't use it in UI/automation
// based tests.
bool HasInternetZoneIdentifier(const FilePath& full_path);
#endif // defined(OS_WIN)
// In general it's not reliable to convert a FilePath to a wstring and we use
// string16 elsewhere for Unicode strings, but in tests it is frequently
// convenient to be able to compare paths to literals like L"foobar".
BASE_EXPORT std::wstring FilePathAsWString(const FilePath& path);
BASE_EXPORT FilePath WStringAsFilePath(const std::wstring& path);
// For testing, make the file unreadable or unwritable.
// In POSIX, this does not apply to the root user.
bool MakeFileUnreadable(const FilePath& path) WARN_UNUSED_RESULT;
bool MakeFileUnwritable(const FilePath& path) WARN_UNUSED_RESULT;
// Saves the current permissions for a path, and restores it on destruction.
class PermissionRestorer {
explicit PermissionRestorer(const FilePath& path);
const FilePath path_;
void* info_; // The opaque stored permission information.
size_t length_; // The length of the stored permission information.
} // namespace file_util