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83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TEST_TEST_FILE_UTIL_H_
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#define BASE_TEST_TEST_FILE_UTIL_H_
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// File utility functions used only by tests.
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#include <stddef.h>
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#include <string>
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#include "base/compiler_specific.h"
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#include "base/files/file_path.h"
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#include "base/macros.h"
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#include "build/build_config.h"
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#if defined(OS_ANDROID)
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#include <jni.h>
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#endif
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#if defined(OS_WIN)
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#include <windows.h>
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#endif
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namespace base {
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class FilePath;
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// Clear a specific file from the system cache like EvictFileFromSystemCache,
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// but on failure it will sleep and retry. On the Windows buildbots, eviction
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// can fail if the file is marked in use, and this will throw off timings that
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// rely on uncached files.
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bool EvictFileFromSystemCacheWithRetry(const FilePath& file);
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// Wrapper over base::Delete. On Windows repeatedly invokes Delete in case
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// of failure to workaround Windows file locking semantics. Returns true on
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// success.
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bool DieFileDie(const FilePath& file, bool recurse);
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// Clear a specific file from the system cache. After this call, trying
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// to access this file will result in a cold load from the hard drive.
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bool EvictFileFromSystemCache(const FilePath& file);
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#if defined(OS_WIN)
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// Deny |permission| on the file |path| for the current user. |permission| is an
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// ACCESS_MASK structure which is defined in
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// https://msdn.microsoft.com/en-us/library/windows/desktop/aa374892.aspx
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// Refer to https://msdn.microsoft.com/en-us/library/aa822867.aspx for a list of
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// possible values.
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bool DenyFilePermission(const FilePath& path, DWORD permission);
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#endif // defined(OS_WIN)
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// For testing, make the file unreadable or unwritable.
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// In POSIX, this does not apply to the root user.
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bool MakeFileUnreadable(const FilePath& path) WARN_UNUSED_RESULT;
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bool MakeFileUnwritable(const FilePath& path) WARN_UNUSED_RESULT;
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// Saves the current permissions for a path, and restores it on destruction.
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class FilePermissionRestorer {
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public:
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explicit FilePermissionRestorer(const FilePath& path);
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~FilePermissionRestorer();
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private:
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const FilePath path_;
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void* info_; // The opaque stored permission information.
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size_t length_; // The length of the stored permission information.
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DISALLOW_COPY_AND_ASSIGN(FilePermissionRestorer);
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};
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#if defined(OS_ANDROID)
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// Insert an image file into the MediaStore, and retrieve the content URI for
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// testing purpose.
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FilePath InsertImageIntoMediaStore(const FilePath& path);
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#endif // defined(OS_ANDROID)
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} // namespace base
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#endif // BASE_TEST_TEST_FILE_UTIL_H_
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