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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TEST_SCOPED_OS_INFO_OVERRIDE_WIN_H_
#define BASE_TEST_SCOPED_OS_INFO_OVERRIDE_WIN_H_
#include <memory>
#include "base/memory/raw_ptr.h"
namespace base {
namespace win {
class OSInfo;
} // namespace win
} // namespace base
namespace base {
namespace test {
// Helper class to override info returned by base::win::OSInfo::GetIntance()
// for the lifetime of this object. Upon destruction, the original info at time
// of object creation is restored.
class ScopedOSInfoOverride {
public:
// Types of windows machines that can be used for overriding. Add new
// machine types as needed.
enum class Type {
kWin11Pro,
kWin11Home,
kWinServer2022,
kWin10Pro21H1,
kWin10Pro,
kWin10Home,
kWinServer2016,
kWin11HomeN,
};
explicit ScopedOSInfoOverride(Type type);
ScopedOSInfoOverride(const ScopedOSInfoOverride&) = delete;
ScopedOSInfoOverride& operator=(const ScopedOSInfoOverride&) = delete;
~ScopedOSInfoOverride();
private:
using UniqueOsInfo =
std::unique_ptr<base::win::OSInfo, void (*)(base::win::OSInfo*)>;
static UniqueOsInfo CreateInfoOfType(Type type);
// The OSInfo taken by this instance at construction and restored at
// destruction.
raw_ptr<base::win::OSInfo> original_info_;
// The OSInfo owned by this scoped object and which overrides
// base::win::OSInfo::GetIntance() for the lifespan of the object.
UniqueOsInfo overriding_info_;
// Because the dtor of OSInfo is private, a custom deleter is needed to use
// unique_ptr.
static void deleter(base::win::OSInfo* info);
};
} // namespace test
} // namespace base
#endif // BASE_TEST_SCOPED_OS_INFO_OVERRIDE_WIN_H_
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