blob: 256c3b3f63b9efb93d36a92bab27e7b360c05381 [file] [log] [blame]
// Copyright 2018 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 <memory>
#include "base/macros.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 {
// Types of windows machines that can be used for overriding. Add new
// machine types as needed.
enum class Type {
explicit ScopedOSInfoOverride(Type type);
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.
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