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// Copyright (c) 2011 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 CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_
#define CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_
#pragma once
#include <windows.h>
#include <string>
#include "base/basictypes.h"
// A helper class for use by unit tests that need some registry space and data.
// BEWARE: Instances of this class irrevocably and recursively delete keys and
// values from the registry. Carefully read the comments for Initialize and
// Reset before use.
class RegistryTestData {
public:
RegistryTestData();
// Invokes Reset() on its way out.
~RegistryTestData();
// Resets this instance, deletes the key rooted at |base_path|, and then
// populates |base_path| with:
// \EmptyKey
// \NonEmptyKey (default value = "|base_path|\NonEmptyKey")
// \NonEmptyKey\Subkey ("SomeValue" = DWORD 1)
bool Initialize(HKEY root_key, const wchar_t* base_path);
// Deletes the key rooted at base_path and clears all state.
void Reset();
// Fires Google Test expectations in the hopes that |path| contains the same
// data as originally placed in |non_empty_key| by Initialize().
void ExpectMatchesNonEmptyKey(HKEY root_key, const wchar_t* path);
HKEY root_key() const { return root_key_; }
const std::wstring& base_path() const { return base_path_; }
const std::wstring& empty_key_path() const { return empty_key_path_; }
const std::wstring& non_empty_key_path() const { return non_empty_key_path_; }
// Fires Google Test expectations in the hopes that |path| is an empty key
// (exists but has no values or subkeys).
static void ExpectEmptyKey(HKEY root_key, const wchar_t* path);
private:
static bool DeleteKey(HKEY root_key, const wchar_t* path);
HKEY root_key_;
std::wstring base_path_;
std::wstring empty_key_path_;
std::wstring non_empty_key_path_;
DISALLOW_COPY_AND_ASSIGN(RegistryTestData);
};
#endif // CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_
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