blob: 495cdf82ba3c53fc148aead93ed062217ae90f45 [file] [log] [blame]
// 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.
#include <windows.h>
#include <string>
#include "base/macros.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 {
// Invokes Reset() on its way out.
// 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);
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_;