78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
// 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.
|
|
|
|
#ifndef BASE_TEST_TEST_FILE_UTIL_H_
|
|
#define BASE_TEST_TEST_FILE_UTIL_H_
|
|
|
|
// File utility functions used only by tests.
|
|
|
|
#include <string>
|
|
|
|
#include "base/compiler_specific.h"
|
|
#include "base/files/file_path.h"
|
|
|
|
namespace base {
|
|
|
|
class FilePath;
|
|
|
|
// Clear a specific file from the system cache like EvictFileFromSystemCache,
|
|
// but on failure it will sleep and retry. On the Windows buildbots, eviction
|
|
// can fail if the file is marked in use, and this will throw off timings that
|
|
// rely on uncached files.
|
|
bool EvictFileFromSystemCacheWithRetry(const FilePath& file);
|
|
|
|
} // namespace base
|
|
|
|
// TODO(brettw) move all of this to the base namespace.
|
|
namespace file_util {
|
|
|
|
// Wrapper over base::Delete. On Windows repeatedly invokes Delete in case
|
|
// of failure to workaround Windows file locking semantics. Returns true on
|
|
// success.
|
|
bool DieFileDie(const base::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 base::FilePath& file);
|
|
|
|
#if defined(OS_WIN)
|
|
// Returns true if the volume supports Alternate Data Streams.
|
|
bool VolumeSupportsADS(const base::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 base::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".
|
|
std::wstring FilePathAsWString(const base::FilePath& path);
|
|
base::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 base::FilePath& path) WARN_UNUSED_RESULT;
|
|
bool MakeFileUnwritable(const base::FilePath& path) WARN_UNUSED_RESULT;
|
|
|
|
// Saves the current permissions for a path, and restores it on destruction.
|
|
class PermissionRestorer {
|
|
public:
|
|
explicit PermissionRestorer(const base::FilePath& path);
|
|
~PermissionRestorer();
|
|
|
|
private:
|
|
const base::FilePath path_;
|
|
void* info_; // The opaque stored permission information.
|
|
size_t length_; // The length of the stored permission information.
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(PermissionRestorer);
|
|
};
|
|
|
|
} // namespace file_util
|
|
|
|
#endif // BASE_TEST_TEST_FILE_UTIL_H_
|