webrtc/base/win32regkey_unittest.cc - src - Git at Google

 /*
  *  Copyright 2003 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */

 // Unittest for registry access API

 #include "webrtc/base/arraysize.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/win32regkey.h"

 namespace rtc {

 #ifndef EXPECT_SUCCEEDED
 #define EXPECT_SUCCEEDED(x)  EXPECT_TRUE(SUCCEEDED(x))
 #endif

 #ifndef EXPECT_FAILED
 #define EXPECT_FAILED(x)  EXPECT_TRUE(FAILED(x))
 #endif

 #define kBaseKey           L"Software\\Google\\__TEST"
 #define kSubkeyName        L"subkey_test"

 const wchar_t kRkey1[] = kBaseKey;
 const wchar_t kRkey1SubkeyName[] = kSubkeyName;
 const wchar_t kRkey1Subkey[] = kBaseKey L"\\" kSubkeyName;
 const wchar_t kFullRkey1[] = L"HKCU\\" kBaseKey;
 const wchar_t kFullRkey1Subkey[] = L"HKCU\\" kBaseKey L"\\" kSubkeyName;

 const wchar_t kValNameInt[] = L"Int32 Value";
 const DWORD kIntVal = 20;
 const DWORD kIntVal2 = 30;

 const wchar_t kValNameInt64[] = L"Int64 Value";
 const DWORD64 kIntVal64 = 119600064000000000uI64;

 const wchar_t kValNameFloat[] = L"Float Value";
 const float kFloatVal = 12.3456789f;

 const wchar_t kValNameDouble[] = L"Double Value";
 const double kDoubleVal = 98.7654321;

 const wchar_t kValNameStr[] = L"Str Value";
 const wchar_t kStrVal[] = L"Some string data 1";
 const wchar_t kStrVal2[] = L"Some string data 2";

 const wchar_t kValNameBinary[] = L"Binary Value";
 const char kBinaryVal[] = "Some binary data abcdefghi 1";
 const char kBinaryVal2[] = "Some binary data abcdefghi 2";

 const wchar_t kValNameMultiStr[] = L"MultiStr Value";
 const wchar_t kMultiSZ[] = L"abc\0def\0P12345\0";
 const wchar_t kEmptyMultiSZ[] = L"";
 const wchar_t kInvalidMultiSZ[] = {L'6', L'7', L'8'};

 // friend function of RegKey
 void RegKeyHelperFunctionsTest() {
   // Try out some dud values
   std::wstring temp_key = L"";
   EXPECT_TRUE(RegKey::GetRootKeyInfo(&temp_key) == NULL);
   EXPECT_STREQ(temp_key.c_str(), L"");

   temp_key = L"a";
   EXPECT_TRUE(RegKey::GetRootKeyInfo(&temp_key) == NULL);
   EXPECT_STREQ(temp_key.c_str(), L"");

   // The basics
   temp_key = L"HKLM\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_LOCAL_MACHINE);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKEY_LOCAL_MACHINE\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_LOCAL_MACHINE);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKCU\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CURRENT_USER);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKEY_CURRENT_USER\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CURRENT_USER);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKU\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_USERS);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKEY_USERS\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_USERS);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKCR\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"HKEY_CLASSES_ROOT\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   // Make sure it is case insensitive
   temp_key = L"hkcr\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"hkey_CLASSES_ROOT\\a";
   EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
   EXPECT_STREQ(temp_key.c_str(), L"a");

   //
   // Test RegKey::GetParentKeyInfo
   //

   // dud cases
   temp_key = L"";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
   EXPECT_STREQ(temp_key.c_str(), L"");

   temp_key = L"a";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
   EXPECT_STREQ(temp_key.c_str(), L"a");

   temp_key = L"a\\b";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"a");
   EXPECT_STREQ(temp_key.c_str(), L"b");

   temp_key = L"\\b";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
   EXPECT_STREQ(temp_key.c_str(), L"b");

   // Some regular cases
   temp_key = L"HKEY_CLASSES_ROOT\\moon";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(),
                L"HKEY_CLASSES_ROOT");
   EXPECT_STREQ(temp_key.c_str(), L"moon");

   temp_key = L"HKEY_CLASSES_ROOT\\moon\\doggy";
   EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(),
                L"HKEY_CLASSES_ROOT\\moon");
   EXPECT_STREQ(temp_key.c_str(), L"doggy");

   //
   // Test MultiSZBytesToStringArray
   //

   std::vector<std::wstring> result;
   EXPECT_SUCCEEDED(RegKey::MultiSZBytesToStringArray(
       reinterpret_cast<const uint8_t*>(kMultiSZ), sizeof(kMultiSZ), &result));
   EXPECT_EQ(result.size(), 3);
   EXPECT_STREQ(result[0].c_str(), L"abc");
   EXPECT_STREQ(result[1].c_str(), L"def");
   EXPECT_STREQ(result[2].c_str(), L"P12345");

   EXPECT_SUCCEEDED(RegKey::MultiSZBytesToStringArray(
       reinterpret_cast<const uint8_t*>(kEmptyMultiSZ), sizeof(kEmptyMultiSZ),
       &result));
   EXPECT_EQ(result.size(), 0);
   EXPECT_FALSE(SUCCEEDED(RegKey::MultiSZBytesToStringArray(
       reinterpret_cast<const uint8_t*>(kInvalidMultiSZ),
       sizeof(kInvalidMultiSZ), &result)));
 }

 TEST(RegKeyTest, RegKeyHelperFunctionsTest) {
   RegKeyHelperFunctionsTest();
 }

 void RegKeyNonStaticFunctionsTest() {
   DWORD int_val = 0;
   DWORD64 int64_val = 0;
   wchar_t* str_val = NULL;
   uint8_t* binary_val = NULL;
   DWORD uint8_count = 0;

   // Just in case...
   // make sure the no test key residue is left from previous aborted runs
   RegKey::DeleteKey(kFullRkey1);

   // initial state
   RegKey r_key;
   EXPECT_TRUE(r_key.key() == NULL);

   // create a reg key
   EXPECT_SUCCEEDED(r_key.Create(HKEY_CURRENT_USER, kRkey1));

   // do the create twice - it should return the already created one
   EXPECT_SUCCEEDED(r_key.Create(HKEY_CURRENT_USER, kRkey1));

   // now do an open - should work just fine
   EXPECT_SUCCEEDED(r_key.Open(HKEY_CURRENT_USER, kRkey1));

   // get an in-existent value
   EXPECT_EQ(r_key.GetValue(kValNameInt, &int_val),
             HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

   // set and get some values

   // set an INT 32
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal));

   // check that the value exists
   EXPECT_TRUE(r_key.HasValue(kValNameInt));

   // read it back
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt, &int_val));
   EXPECT_EQ(int_val, kIntVal);

   // set it again!
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal2));

   // read it again
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt, &int_val));
   EXPECT_EQ(int_val, kIntVal2);

   // delete the value
   EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameInt));

   // check that the value is gone
   EXPECT_FALSE(r_key.HasValue(kValNameInt));

   // set an INT 64
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt64, kIntVal64));

   // check that the value exists
   EXPECT_TRUE(r_key.HasValue(kValNameInt64));

   // read it back
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt64, &int64_val));
   EXPECT_EQ(int64_val, kIntVal64);

   // delete the value
   EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameInt64));

   // check that the value is gone
   EXPECT_FALSE(r_key.HasValue(kValNameInt64));

   // set a string
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal));

   // check that the value exists
   EXPECT_TRUE(r_key.HasValue(kValNameStr));

   // read it back
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameStr, &str_val));
   EXPECT_TRUE(lstrcmp(str_val, kStrVal) == 0);
   delete[] str_val;

   // set it again
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal2));

   // read it again
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameStr, &str_val));
   EXPECT_TRUE(lstrcmp(str_val, kStrVal2) == 0);
   delete[] str_val;

   // delete the value
   EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameStr));

   // check that the value is gone
   EXPECT_FALSE(r_key.HasValue(kValNameInt));

   // set a binary value
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
                                   reinterpret_cast<const uint8_t*>(kBinaryVal),
                                   sizeof(kBinaryVal) - 1));

   // check that the value exists
   EXPECT_TRUE(r_key.HasValue(kValNameBinary));

   // read it back
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameBinary, &binary_val, &uint8_count));
   EXPECT_TRUE(memcmp(binary_val, kBinaryVal, sizeof(kBinaryVal) - 1) == 0);
   delete[] binary_val;

   // set it again
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
                                   reinterpret_cast<const uint8_t*>(kBinaryVal2),
                                   sizeof(kBinaryVal) - 1));

   // read it again
   EXPECT_SUCCEEDED(r_key.GetValue(kValNameBinary, &binary_val, &uint8_count));
   EXPECT_TRUE(memcmp(binary_val, kBinaryVal2, sizeof(kBinaryVal2) - 1) == 0);
   delete[] binary_val;

   // delete the value
   EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameBinary));

   // check that the value is gone
   EXPECT_FALSE(r_key.HasValue(kValNameBinary));

   // set some values and check the total count

   // set an INT 32
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal));

   // set an INT 64
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt64, kIntVal64));

   // set a string
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal));

   // set a binary value
   EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
                                   reinterpret_cast<const uint8_t*>(kBinaryVal),
                                   sizeof(kBinaryVal) - 1));

   // get the value count
   uint32_t value_count = r_key.GetValueCount();
   EXPECT_EQ(value_count, 4);

   // check the value names
   std::wstring value_name;
   DWORD type = 0;

   EXPECT_SUCCEEDED(r_key.GetValueNameAt(0, &value_name, &type));
   EXPECT_STREQ(value_name.c_str(), kValNameInt);
   EXPECT_EQ(type, REG_DWORD);

   EXPECT_SUCCEEDED(r_key.GetValueNameAt(1, &value_name, &type));
   EXPECT_STREQ(value_name.c_str(), kValNameInt64);
   EXPECT_EQ(type, REG_QWORD);

   EXPECT_SUCCEEDED(r_key.GetValueNameAt(2, &value_name, &type));
   EXPECT_STREQ(value_name.c_str(), kValNameStr);
   EXPECT_EQ(type, REG_SZ);

   EXPECT_SUCCEEDED(r_key.GetValueNameAt(3, &value_name, &type));
   EXPECT_STREQ(value_name.c_str(), kValNameBinary);
   EXPECT_EQ(type, REG_BINARY);

   // check that there are no more values
   EXPECT_FAILED(r_key.GetValueNameAt(4, &value_name, &type));

   uint32_t subkey_count = r_key.GetSubkeyCount();
   EXPECT_EQ(subkey_count, 0);

   // now create a subkey and make sure we can get the name
   RegKey temp_key;
   EXPECT_SUCCEEDED(temp_key.Create(HKEY_CURRENT_USER, kRkey1Subkey));

   // check the subkey exists
   EXPECT_TRUE(r_key.HasSubkey(kRkey1SubkeyName));

   // check the name
   EXPECT_EQ(r_key.GetSubkeyCount(), 1);

   std::wstring subkey_name;
   EXPECT_SUCCEEDED(r_key.GetSubkeyNameAt(0, &subkey_name));
   EXPECT_STREQ(subkey_name.c_str(), kRkey1SubkeyName);

   // delete the key
   EXPECT_SUCCEEDED(r_key.DeleteSubKey(kRkey1));

   // close this key
   EXPECT_SUCCEEDED(r_key.Close());

   // whack the whole key
   EXPECT_SUCCEEDED(RegKey::DeleteKey(kFullRkey1));
 }

 void RegKeyStaticFunctionsTest() {
   DWORD int_val = 0;
   DWORD64 int64_val = 0;
   float float_val = 0;
   double double_val = 0;
   wchar_t* str_val = NULL;
   std::wstring wstr_val;
   uint8_t* binary_val = NULL;
   DWORD uint8_count = 0;

   // Just in case...
   // make sure the no test key residue is left from previous aborted runs
   RegKey::DeleteKey(kFullRkey1);

   // get an in-existent value from an un-existent key
   EXPECT_EQ(RegKey::GetValue(kFullRkey1, kValNameInt, &int_val),
             HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

   // set int32_t
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameInt, kIntVal));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameInt));

   // get an in-existent value from an existent key
   EXPECT_EQ(RegKey::GetValue(kFullRkey1, L"bogus", &int_val),
             HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameInt, &int_val));
   EXPECT_EQ(int_val, kIntVal);

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameInt));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameInt));

   // set int64_t
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameInt64, kIntVal64));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameInt64));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameInt64, &int64_val));
   EXPECT_EQ(int64_val, kIntVal64);

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameInt64));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameInt64));

   // set float
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameFloat, kFloatVal));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameFloat));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameFloat, &float_val));
   EXPECT_EQ(float_val, kFloatVal);

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameFloat));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameFloat));
   EXPECT_FAILED(RegKey::GetValue(kFullRkey1, kValNameFloat, &float_val));

   // set double
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameDouble, kDoubleVal));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameDouble));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameDouble, &double_val));
   EXPECT_EQ(double_val, kDoubleVal);

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameDouble));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameDouble));
   EXPECT_FAILED(RegKey::GetValue(kFullRkey1, kValNameDouble, &double_val));

   // set string
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameStr, kStrVal));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameStr));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameStr, &str_val));
   EXPECT_TRUE(lstrcmp(str_val, kStrVal) == 0);
   delete[] str_val;

   // read it back in std::wstring
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameStr, &wstr_val));
   EXPECT_STREQ(wstr_val.c_str(), kStrVal);

   // get an in-existent value from an existent key
   EXPECT_EQ(RegKey::GetValue(kFullRkey1, L"bogus", &str_val),
             HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameStr));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameStr));

   // set binary
   EXPECT_SUCCEEDED(RegKey::SetValue(
       kFullRkey1, kValNameBinary, reinterpret_cast<const uint8_t*>(kBinaryVal),
       sizeof(kBinaryVal) - 1));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
       &binary_val, &uint8_count));
   EXPECT_TRUE(memcmp(binary_val, kBinaryVal, sizeof(kBinaryVal)-1) == 0);
   delete[] binary_val;

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // special case - set a binary value with length 0
   EXPECT_SUCCEEDED(
       RegKey::SetValue(kFullRkey1, kValNameBinary,
                        reinterpret_cast<const uint8_t*>(kBinaryVal), 0));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
       &binary_val, &uint8_count));
   EXPECT_EQ(uint8_count, 0);
   EXPECT_TRUE(binary_val == NULL);
   delete[] binary_val;

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // special case - set a NULL binary value
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameBinary, NULL, 100));

   // check that the value exists
   EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // read it back
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
                                     &binary_val, &uint8_count));
   EXPECT_EQ(uint8_count, 0);
   EXPECT_TRUE(binary_val == NULL);
   delete[] binary_val;

   // delete the value
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

   // check that the value is gone
   EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

   // test read/write REG_MULTI_SZ value
   std::vector<std::wstring> result;
   EXPECT_SUCCEEDED(RegKey::SetValueMultiSZ(
       kFullRkey1, kValNameMultiStr, reinterpret_cast<const uint8_t*>(kMultiSZ),
       sizeof(kMultiSZ)));
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
   EXPECT_EQ(result.size(), 3);
   EXPECT_STREQ(result[0].c_str(), L"abc");
   EXPECT_STREQ(result[1].c_str(), L"def");
   EXPECT_STREQ(result[2].c_str(), L"P12345");
   EXPECT_SUCCEEDED(RegKey::SetValueMultiSZ(
       kFullRkey1, kValNameMultiStr,
       reinterpret_cast<const uint8_t*>(kEmptyMultiSZ), sizeof(kEmptyMultiSZ)));
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
   EXPECT_EQ(result.size(), 0);
   // writing REG_MULTI_SZ value will automatically add ending null characters
   EXPECT_SUCCEEDED(
       RegKey::SetValueMultiSZ(kFullRkey1, kValNameMultiStr,
                               reinterpret_cast<const uint8_t*>(kInvalidMultiSZ),
                               sizeof(kInvalidMultiSZ)));
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
   EXPECT_EQ(result.size(), 1);
   EXPECT_STREQ(result[0].c_str(), L"678");

   // Run the following test only in dev machine
   // This is because the build machine might not have admin privilege
 #ifdef IS_PRIVATE_BUILD
   // get a temp file name
   wchar_t temp_path[MAX_PATH] = {0};
   EXPECT_LT(::GetTempPath(arraysize(temp_path), temp_path),
             static_cast<DWORD>(arraysize(temp_path)));
   wchar_t temp_file[MAX_PATH] = {0};
   EXPECT_NE(::GetTempFileName(temp_path, L"rkut_",
                               ::GetTickCount(), temp_file), 0);

   // test save
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1Subkey, kValNameInt, kIntVal));
   EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1Subkey, kValNameInt64, kIntVal64));
   EXPECT_SUCCEEDED(RegKey::Save(kFullRkey1Subkey, temp_file));
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1Subkey, kValNameInt));
   EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1Subkey, kValNameInt64));

   // test restore
   EXPECT_SUCCEEDED(RegKey::Restore(kFullRkey1Subkey, temp_file));
   int_val = 0;
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1Subkey, kValNameInt, &int_val));
   EXPECT_EQ(int_val, kIntVal);
   int64_val = 0;
   EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1Subkey,
                                     kValNameInt64,
                                     &int64_val));
   EXPECT_EQ(int64_val, kIntVal64);

   // delete the temp file
   EXPECT_EQ(TRUE, ::DeleteFile(temp_file));
 #endif

   // whack the whole key
   EXPECT_SUCCEEDED(RegKey::DeleteKey(kFullRkey1));
 }

 // Run both tests under the same test target. Because they access (read and
 // write) the same registry keys they can't run in parallel with eachother.
 TEST(RegKeyTest, RegKeyFunctionsTest) {
   RegKeyNonStaticFunctionsTest();
   RegKeyStaticFunctionsTest();
 }

 }  // namespace rtc
	/*
	* Copyright 2003 The WebRTC Project Authors. All rights reserved.
	*
	* Use of this source code is governed by a BSD-style license
	* that can be found in the LICENSE file in the root of the source
	* tree. An additional intellectual property rights grant can be found
	* in the file PATENTS. All contributing project authors may
	* be found in the AUTHORS file in the root of the source tree.
	*/

	// Unittest for registry access API

	#include "webrtc/base/arraysize.h"
	#include "webrtc/base/gunit.h"
	#include "webrtc/base/common.h"
	#include "webrtc/base/win32regkey.h"

	namespace rtc {

	#ifndef EXPECT_SUCCEEDED
	#define EXPECT_SUCCEEDED(x) EXPECT_TRUE(SUCCEEDED(x))
	#endif

	#ifndef EXPECT_FAILED
	#define EXPECT_FAILED(x) EXPECT_TRUE(FAILED(x))
	#endif

	#define kBaseKey L"Software\\Google\\__TEST"
	#define kSubkeyName L"subkey_test"

	const wchar_t kRkey1[] = kBaseKey;
	const wchar_t kRkey1SubkeyName[] = kSubkeyName;
	const wchar_t kRkey1Subkey[] = kBaseKey L"\\" kSubkeyName;
	const wchar_t kFullRkey1[] = L"HKCU\\" kBaseKey;
	const wchar_t kFullRkey1Subkey[] = L"HKCU\\" kBaseKey L"\\" kSubkeyName;

	const wchar_t kValNameInt[] = L"Int32 Value";
	const DWORD kIntVal = 20;
	const DWORD kIntVal2 = 30;

	const wchar_t kValNameInt64[] = L"Int64 Value";
	const DWORD64 kIntVal64 = 119600064000000000uI64;

	const wchar_t kValNameFloat[] = L"Float Value";
	const float kFloatVal = 12.3456789f;

	const wchar_t kValNameDouble[] = L"Double Value";
	const double kDoubleVal = 98.7654321;

	const wchar_t kValNameStr[] = L"Str Value";
	const wchar_t kStrVal[] = L"Some string data 1";
	const wchar_t kStrVal2[] = L"Some string data 2";

	const wchar_t kValNameBinary[] = L"Binary Value";
	const char kBinaryVal[] = "Some binary data abcdefghi 1";
	const char kBinaryVal2[] = "Some binary data abcdefghi 2";

	const wchar_t kValNameMultiStr[] = L"MultiStr Value";
	const wchar_t kMultiSZ[] = L"abc\0def\0P12345\0";
	const wchar_t kEmptyMultiSZ[] = L"";
	const wchar_t kInvalidMultiSZ[] = {L'6', L'7', L'8'};

	// friend function of RegKey
	void RegKeyHelperFunctionsTest() {
	// Try out some dud values
	std::wstring temp_key = L"";
	EXPECT_TRUE(RegKey::GetRootKeyInfo(&temp_key) == NULL);
	EXPECT_STREQ(temp_key.c_str(), L"");

	temp_key = L"a";
	EXPECT_TRUE(RegKey::GetRootKeyInfo(&temp_key) == NULL);
	EXPECT_STREQ(temp_key.c_str(), L"");

	// The basics
	temp_key = L"HKLM\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_LOCAL_MACHINE);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKEY_LOCAL_MACHINE\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_LOCAL_MACHINE);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKCU\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CURRENT_USER);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKEY_CURRENT_USER\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CURRENT_USER);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKU\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_USERS);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKEY_USERS\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_USERS);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKCR\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"HKEY_CLASSES_ROOT\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	// Make sure it is case insensitive
	temp_key = L"hkcr\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"hkey_CLASSES_ROOT\\a";
	EXPECT_EQ(RegKey::GetRootKeyInfo(&temp_key), HKEY_CLASSES_ROOT);
	EXPECT_STREQ(temp_key.c_str(), L"a");

	//
	// Test RegKey::GetParentKeyInfo
	//

	// dud cases
	temp_key = L"";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
	EXPECT_STREQ(temp_key.c_str(), L"");

	temp_key = L"a";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
	EXPECT_STREQ(temp_key.c_str(), L"a");

	temp_key = L"a\\b";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"a");
	EXPECT_STREQ(temp_key.c_str(), L"b");

	temp_key = L"\\b";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(), L"");
	EXPECT_STREQ(temp_key.c_str(), L"b");

	// Some regular cases
	temp_key = L"HKEY_CLASSES_ROOT\\moon";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(),
	L"HKEY_CLASSES_ROOT");
	EXPECT_STREQ(temp_key.c_str(), L"moon");

	temp_key = L"HKEY_CLASSES_ROOT\\moon\\doggy";
	EXPECT_STREQ(RegKey::GetParentKeyInfo(&temp_key).c_str(),
	L"HKEY_CLASSES_ROOT\\moon");
	EXPECT_STREQ(temp_key.c_str(), L"doggy");

	//
	// Test MultiSZBytesToStringArray
	//

	std::vector<std::wstring> result;
	EXPECT_SUCCEEDED(RegKey::MultiSZBytesToStringArray(
	reinterpret_cast<const uint8_t*>(kMultiSZ), sizeof(kMultiSZ), &result));
	EXPECT_EQ(result.size(), 3);
	EXPECT_STREQ(result[0].c_str(), L"abc");
	EXPECT_STREQ(result[1].c_str(), L"def");
	EXPECT_STREQ(result[2].c_str(), L"P12345");

	EXPECT_SUCCEEDED(RegKey::MultiSZBytesToStringArray(
	reinterpret_cast<const uint8_t*>(kEmptyMultiSZ), sizeof(kEmptyMultiSZ),
	&result));
	EXPECT_EQ(result.size(), 0);
	EXPECT_FALSE(SUCCEEDED(RegKey::MultiSZBytesToStringArray(
	reinterpret_cast<const uint8_t*>(kInvalidMultiSZ),
	sizeof(kInvalidMultiSZ), &result)));
	}

	TEST(RegKeyTest, RegKeyHelperFunctionsTest) {
	RegKeyHelperFunctionsTest();
	}

	void RegKeyNonStaticFunctionsTest() {
	DWORD int_val = 0;
	DWORD64 int64_val = 0;
	wchar_t* str_val = NULL;
	uint8_t* binary_val = NULL;
	DWORD uint8_count = 0;

	// Just in case...
	// make sure the no test key residue is left from previous aborted runs
	RegKey::DeleteKey(kFullRkey1);

	// initial state
	RegKey r_key;
	EXPECT_TRUE(r_key.key() == NULL);

	// create a reg key
	EXPECT_SUCCEEDED(r_key.Create(HKEY_CURRENT_USER, kRkey1));

	// do the create twice - it should return the already created one
	EXPECT_SUCCEEDED(r_key.Create(HKEY_CURRENT_USER, kRkey1));

	// now do an open - should work just fine
	EXPECT_SUCCEEDED(r_key.Open(HKEY_CURRENT_USER, kRkey1));

	// get an in-existent value
	EXPECT_EQ(r_key.GetValue(kValNameInt, &int_val),
	HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

	// set and get some values

	// set an INT 32
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal));

	// check that the value exists
	EXPECT_TRUE(r_key.HasValue(kValNameInt));

	// read it back
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt, &int_val));
	EXPECT_EQ(int_val, kIntVal);

	// set it again!
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal2));

	// read it again
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt, &int_val));
	EXPECT_EQ(int_val, kIntVal2);

	// delete the value
	EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameInt));

	// check that the value is gone
	EXPECT_FALSE(r_key.HasValue(kValNameInt));

	// set an INT 64
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt64, kIntVal64));

	// check that the value exists
	EXPECT_TRUE(r_key.HasValue(kValNameInt64));

	// read it back
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameInt64, &int64_val));
	EXPECT_EQ(int64_val, kIntVal64);

	// delete the value
	EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameInt64));

	// check that the value is gone
	EXPECT_FALSE(r_key.HasValue(kValNameInt64));

	// set a string
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal));

	// check that the value exists
	EXPECT_TRUE(r_key.HasValue(kValNameStr));

	// read it back
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameStr, &str_val));
	EXPECT_TRUE(lstrcmp(str_val, kStrVal) == 0);
	delete[] str_val;

	// set it again
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal2));

	// read it again
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameStr, &str_val));
	EXPECT_TRUE(lstrcmp(str_val, kStrVal2) == 0);
	delete[] str_val;

	// delete the value
	EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameStr));

	// check that the value is gone
	EXPECT_FALSE(r_key.HasValue(kValNameInt));

	// set a binary value
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
	reinterpret_cast<const uint8_t*>(kBinaryVal),
	sizeof(kBinaryVal) - 1));

	// check that the value exists
	EXPECT_TRUE(r_key.HasValue(kValNameBinary));

	// read it back
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameBinary, &binary_val, &uint8_count));
	EXPECT_TRUE(memcmp(binary_val, kBinaryVal, sizeof(kBinaryVal) - 1) == 0);
	delete[] binary_val;

	// set it again
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
	reinterpret_cast<const uint8_t*>(kBinaryVal2),
	sizeof(kBinaryVal) - 1));

	// read it again
	EXPECT_SUCCEEDED(r_key.GetValue(kValNameBinary, &binary_val, &uint8_count));
	EXPECT_TRUE(memcmp(binary_val, kBinaryVal2, sizeof(kBinaryVal2) - 1) == 0);
	delete[] binary_val;

	// delete the value
	EXPECT_SUCCEEDED(r_key.DeleteValue(kValNameBinary));

	// check that the value is gone
	EXPECT_FALSE(r_key.HasValue(kValNameBinary));

	// set some values and check the total count

	// set an INT 32
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt, kIntVal));

	// set an INT 64
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameInt64, kIntVal64));

	// set a string
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameStr, kStrVal));

	// set a binary value
	EXPECT_SUCCEEDED(r_key.SetValue(kValNameBinary,
	reinterpret_cast<const uint8_t*>(kBinaryVal),
	sizeof(kBinaryVal) - 1));

	// get the value count
	uint32_t value_count = r_key.GetValueCount();
	EXPECT_EQ(value_count, 4);

	// check the value names
	std::wstring value_name;
	DWORD type = 0;

	EXPECT_SUCCEEDED(r_key.GetValueNameAt(0, &value_name, &type));
	EXPECT_STREQ(value_name.c_str(), kValNameInt);
	EXPECT_EQ(type, REG_DWORD);

	EXPECT_SUCCEEDED(r_key.GetValueNameAt(1, &value_name, &type));
	EXPECT_STREQ(value_name.c_str(), kValNameInt64);
	EXPECT_EQ(type, REG_QWORD);

	EXPECT_SUCCEEDED(r_key.GetValueNameAt(2, &value_name, &type));
	EXPECT_STREQ(value_name.c_str(), kValNameStr);
	EXPECT_EQ(type, REG_SZ);

	EXPECT_SUCCEEDED(r_key.GetValueNameAt(3, &value_name, &type));
	EXPECT_STREQ(value_name.c_str(), kValNameBinary);
	EXPECT_EQ(type, REG_BINARY);

	// check that there are no more values
	EXPECT_FAILED(r_key.GetValueNameAt(4, &value_name, &type));

	uint32_t subkey_count = r_key.GetSubkeyCount();
	EXPECT_EQ(subkey_count, 0);

	// now create a subkey and make sure we can get the name
	RegKey temp_key;
	EXPECT_SUCCEEDED(temp_key.Create(HKEY_CURRENT_USER, kRkey1Subkey));

	// check the subkey exists
	EXPECT_TRUE(r_key.HasSubkey(kRkey1SubkeyName));

	// check the name
	EXPECT_EQ(r_key.GetSubkeyCount(), 1);

	std::wstring subkey_name;
	EXPECT_SUCCEEDED(r_key.GetSubkeyNameAt(0, &subkey_name));
	EXPECT_STREQ(subkey_name.c_str(), kRkey1SubkeyName);

	// delete the key
	EXPECT_SUCCEEDED(r_key.DeleteSubKey(kRkey1));

	// close this key
	EXPECT_SUCCEEDED(r_key.Close());

	// whack the whole key
	EXPECT_SUCCEEDED(RegKey::DeleteKey(kFullRkey1));
	}

	void RegKeyStaticFunctionsTest() {
	DWORD int_val = 0;
	DWORD64 int64_val = 0;
	float float_val = 0;
	double double_val = 0;
	wchar_t* str_val = NULL;
	std::wstring wstr_val;
	uint8_t* binary_val = NULL;
	DWORD uint8_count = 0;

	// Just in case...
	// make sure the no test key residue is left from previous aborted runs
	RegKey::DeleteKey(kFullRkey1);

	// get an in-existent value from an un-existent key
	EXPECT_EQ(RegKey::GetValue(kFullRkey1, kValNameInt, &int_val),
	HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

	// set int32_t
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameInt, kIntVal));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameInt));

	// get an in-existent value from an existent key
	EXPECT_EQ(RegKey::GetValue(kFullRkey1, L"bogus", &int_val),
	HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameInt, &int_val));
	EXPECT_EQ(int_val, kIntVal);

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameInt));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameInt));

	// set int64_t
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameInt64, kIntVal64));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameInt64));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameInt64, &int64_val));
	EXPECT_EQ(int64_val, kIntVal64);

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameInt64));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameInt64));

	// set float
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameFloat, kFloatVal));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameFloat));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameFloat, &float_val));
	EXPECT_EQ(float_val, kFloatVal);

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameFloat));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameFloat));
	EXPECT_FAILED(RegKey::GetValue(kFullRkey1, kValNameFloat, &float_val));

	// set double
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameDouble, kDoubleVal));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameDouble));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameDouble, &double_val));
	EXPECT_EQ(double_val, kDoubleVal);

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameDouble));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameDouble));
	EXPECT_FAILED(RegKey::GetValue(kFullRkey1, kValNameDouble, &double_val));

	// set string
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameStr, kStrVal));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameStr));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameStr, &str_val));
	EXPECT_TRUE(lstrcmp(str_val, kStrVal) == 0);
	delete[] str_val;

	// read it back in std::wstring
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameStr, &wstr_val));
	EXPECT_STREQ(wstr_val.c_str(), kStrVal);

	// get an in-existent value from an existent key
	EXPECT_EQ(RegKey::GetValue(kFullRkey1, L"bogus", &str_val),
	HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameStr));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameStr));

	// set binary
	EXPECT_SUCCEEDED(RegKey::SetValue(
	kFullRkey1, kValNameBinary, reinterpret_cast<const uint8_t*>(kBinaryVal),
	sizeof(kBinaryVal) - 1));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
	&binary_val, &uint8_count));
	EXPECT_TRUE(memcmp(binary_val, kBinaryVal, sizeof(kBinaryVal)-1) == 0);
	delete[] binary_val;

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// special case - set a binary value with length 0
	EXPECT_SUCCEEDED(
	RegKey::SetValue(kFullRkey1, kValNameBinary,
	reinterpret_cast<const uint8_t*>(kBinaryVal), 0));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
	&binary_val, &uint8_count));
	EXPECT_EQ(uint8_count, 0);
	EXPECT_TRUE(binary_val == NULL);
	delete[] binary_val;

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// special case - set a NULL binary value
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1, kValNameBinary, NULL, 100));

	// check that the value exists
	EXPECT_TRUE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// read it back
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameBinary,
	&binary_val, &uint8_count));
	EXPECT_EQ(uint8_count, 0);
	EXPECT_TRUE(binary_val == NULL);
	delete[] binary_val;

	// delete the value
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1, kValNameBinary));

	// check that the value is gone
	EXPECT_FALSE(RegKey::HasValue(kFullRkey1, kValNameBinary));

	// test read/write REG_MULTI_SZ value
	std::vector<std::wstring> result;
	EXPECT_SUCCEEDED(RegKey::SetValueMultiSZ(
	kFullRkey1, kValNameMultiStr, reinterpret_cast<const uint8_t*>(kMultiSZ),
	sizeof(kMultiSZ)));
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
	EXPECT_EQ(result.size(), 3);
	EXPECT_STREQ(result[0].c_str(), L"abc");
	EXPECT_STREQ(result[1].c_str(), L"def");
	EXPECT_STREQ(result[2].c_str(), L"P12345");
	EXPECT_SUCCEEDED(RegKey::SetValueMultiSZ(
	kFullRkey1, kValNameMultiStr,
	reinterpret_cast<const uint8_t*>(kEmptyMultiSZ), sizeof(kEmptyMultiSZ)));
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
	EXPECT_EQ(result.size(), 0);
	// writing REG_MULTI_SZ value will automatically add ending null characters
	EXPECT_SUCCEEDED(
	RegKey::SetValueMultiSZ(kFullRkey1, kValNameMultiStr,
	reinterpret_cast<const uint8_t*>(kInvalidMultiSZ),
	sizeof(kInvalidMultiSZ)));
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1, kValNameMultiStr, &result));
	EXPECT_EQ(result.size(), 1);
	EXPECT_STREQ(result[0].c_str(), L"678");

	// Run the following test only in dev machine
	// This is because the build machine might not have admin privilege
	#ifdef IS_PRIVATE_BUILD
	// get a temp file name
	wchar_t temp_path[MAX_PATH] = {0};
	EXPECT_LT(::GetTempPath(arraysize(temp_path), temp_path),
	static_cast<DWORD>(arraysize(temp_path)));
	wchar_t temp_file[MAX_PATH] = {0};
	EXPECT_NE(::GetTempFileName(temp_path, L"rkut_",
	::GetTickCount(), temp_file), 0);

	// test save
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1Subkey, kValNameInt, kIntVal));
	EXPECT_SUCCEEDED(RegKey::SetValue(kFullRkey1Subkey, kValNameInt64, kIntVal64));
	EXPECT_SUCCEEDED(RegKey::Save(kFullRkey1Subkey, temp_file));
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1Subkey, kValNameInt));
	EXPECT_SUCCEEDED(RegKey::DeleteValue(kFullRkey1Subkey, kValNameInt64));

	// test restore
	EXPECT_SUCCEEDED(RegKey::Restore(kFullRkey1Subkey, temp_file));
	int_val = 0;
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1Subkey, kValNameInt, &int_val));
	EXPECT_EQ(int_val, kIntVal);
	int64_val = 0;
	EXPECT_SUCCEEDED(RegKey::GetValue(kFullRkey1Subkey,
	kValNameInt64,
	&int64_val));
	EXPECT_EQ(int64_val, kIntVal64);

	// delete the temp file
	EXPECT_EQ(TRUE, ::DeleteFile(temp_file));
	#endif

	// whack the whole key
	EXPECT_SUCCEEDED(RegKey::DeleteKey(kFullRkey1));
	}

	// Run both tests under the same test target. Because they access (read and
	// write) the same registry keys they can't run in parallel with eachother.
	TEST(RegKeyTest, RegKeyFunctionsTest) {
	RegKeyNonStaticFunctionsTest();
	RegKeyStaticFunctionsTest();
	}

	} // namespace rtc