1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_COMMON_IMPORTER_IE_IMPORTER_TEST_REGISTRY_OVERRIDER_WIN_H_ 6#define CHROME_COMMON_IMPORTER_IE_IMPORTER_TEST_REGISTRY_OVERRIDER_WIN_H_ 7 8#include "base/basictypes.h" 9#include "base/strings/string16.h" 10 11// A helper class to let tests generate a random registry key to be used in 12// HKEY_CURRENT_USER in tests. After the key has been generated by constructing 13// an IEImporterTestRegistryOverrider, consumers in this process (or in any 14// child processes created after the key has been generated) can obtain the key 15// via GetTestRegistryOverride(). IEImporterTestRegistryOverrider will delete 16// the temporary key upon being deleted itself. Only one 17// IEImporterTestRegistryOverrider should live at once in a given process 18// hiearchy. 19class IEImporterTestRegistryOverrider { 20 public: 21 IEImporterTestRegistryOverrider(); 22 ~IEImporterTestRegistryOverrider(); 23 24 // Returns a test key if one was chosen and set by a call to 25 // SetTestRegistryOverride(); returns the empty string if none. 26 static base::string16 GetTestRegistryOverride(); 27 28 private: 29 base::string16 temporary_key_; 30 31 DISALLOW_COPY_AND_ASSIGN(IEImporterTestRegistryOverrider); 32}; 33 34#endif // CHROME_COMMON_IMPORTER_IE_IMPORTER_TEST_REGISTRY_OVERRIDER_WIN_H_ 35