1 // Copyright (c) 2011 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_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_ 6 #define CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_ 7 8 #include <windows.h> 9 10 #include <string> 11 12 #include "base/basictypes.h" 13 14 // A helper class for use by unit tests that need some registry space and data. 15 // BEWARE: Instances of this class irrevocably and recursively delete keys and 16 // values from the registry. Carefully read the comments for Initialize and 17 // Reset before use. 18 class RegistryTestData { 19 public: 20 RegistryTestData(); 21 // Invokes Reset() on its way out. 22 ~RegistryTestData(); 23 24 // Resets this instance, deletes the key rooted at |base_path|, and then 25 // populates |base_path| with: 26 // \EmptyKey 27 // \NonEmptyKey (default value = "|base_path|\NonEmptyKey") 28 // \NonEmptyKey\Subkey ("SomeValue" = DWORD 1) 29 bool Initialize(HKEY root_key, const wchar_t* base_path); 30 31 // Deletes the key rooted at base_path and clears all state. 32 void Reset(); 33 34 // Fires Google Test expectations in the hopes that |path| contains the same 35 // data as originally placed in |non_empty_key| by Initialize(). 36 void ExpectMatchesNonEmptyKey(HKEY root_key, const wchar_t* path); 37 root_key()38 HKEY root_key() const { return root_key_; } base_path()39 const std::wstring& base_path() const { return base_path_; } empty_key_path()40 const std::wstring& empty_key_path() const { return empty_key_path_; } non_empty_key_path()41 const std::wstring& non_empty_key_path() const { return non_empty_key_path_; } 42 43 // Fires Google Test expectations in the hopes that |path| is an empty key 44 // (exists but has no values or subkeys). 45 static void ExpectEmptyKey(HKEY root_key, const wchar_t* path); 46 47 private: 48 static bool DeleteKey(HKEY root_key, const wchar_t* path); 49 50 HKEY root_key_; 51 std::wstring base_path_; 52 std::wstring empty_key_path_; 53 std::wstring non_empty_key_path_; 54 55 DISALLOW_COPY_AND_ASSIGN(RegistryTestData); 56 }; 57 58 #endif // CHROME_INSTALLER_UTIL_REGISTRY_TEST_DATA_H_ 59