reactos/modules/rostests/apitests/advapi32/RegEnumValueW.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: Test for the RegGetvalueW API
* PROGRAMMER: Jérôme Gardou <jerome.gardou@reactos.org>
*/
2017-12-12 11:44:32 +00:00
#include "precomp.h"
START_TEST(RegEnumValueW)
{
LONG ErrorCode;
HKEY TestKey;
ULONG Data;
DWORD NameLength, DataLength;
DWORD DataType;
WCHAR NameBuffer[7];
/* Create our Test Key */
ErrorCode = RegCreateKeyW( HKEY_CURRENT_USER, L"Software\\ReactOS_apitest", &TestKey );
ok_dec(ErrorCode, ERROR_SUCCESS);
/* All NULL is invalid */
ErrorCode = RegEnumValueW(TestKey, 0, NULL, NULL, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* Asking for the buffer length is not enough. */
NameLength = 8;
ErrorCode = RegEnumValueW(TestKey, 0, NULL, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* Or maybe it is, you just have to nicely ask */
NameLength = 0;
ErrorCode = RegEnumValueW(TestKey, 0, NULL, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* Name buffer alone is also prohibited */
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, NULL, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* You need to ask for both a minima */
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_NO_MORE_ITEMS);
/* What if I only want to know the value type ? */
ErrorCode = RegEnumValueW(TestKey, 0, NULL, NULL, &DataType, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* Set a value */
Data = 0xF00DF00D;
ErrorCode = RegSetValueExW(TestKey, L"Value1", 0, REG_BINARY, (LPBYTE)&Data, sizeof(Data));
ok_dec(ErrorCode, ERROR_SUCCESS);
/* Try various combinations of Arguments */
NameLength = 7;
ErrorCode = RegEnumValueW(TestKey, 0, NULL, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
/* Provide a buffer this time */
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_SUCCESS);
/* This doesn't include the NULL terminator */
ok_dec(NameLength, 6);
/* But the string is NULL terminated */
ok_hex(NameBuffer[6], L'\0');
ok(wcscmp(NameBuffer, L"Value1") == 0, "%S\n", NameBuffer);
/* See if skipping the NULL value is a problem */
NameLength = 6;
memset(NameBuffer, 0xBA, sizeof(NameBuffer));
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_MORE_DATA);
/* In fact, this is unchanged */
ok_dec(NameLength, 6);
/* And the string is untouched */
ok_hex(NameBuffer[6], 0xBABA);
ok_hex(NameBuffer[5], 0xBABA);
ok_hex(NameBuffer[4], 0xBABA);
ok_hex(NameBuffer[3], 0xBABA);
ok_hex(NameBuffer[2], 0xBABA);
ok_hex(NameBuffer[1], 0xBABA);
ok_hex(NameBuffer[0], 0xBABA);
/* Of course, anything smaller is an outrage */
NameLength = 5;
memset(NameBuffer, 0xBA, sizeof(NameBuffer));
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, NULL, NULL, NULL);
ok_dec(ErrorCode, ERROR_MORE_DATA);
/* Untouched... */
ok_dec(NameLength, 5);
/* And the string is untouched */
ok_hex(NameBuffer[6], 0xBABA);
ok_hex(NameBuffer[5], 0xBABA);
ok_hex(NameBuffer[4], 0xBABA);
ok_hex(NameBuffer[3], 0xBABA);
ok_hex(NameBuffer[2], 0xBABA);
ok_hex(NameBuffer[1], 0xBABA);
ok_hex(NameBuffer[0], 0xBABA);
/* Of course, asking for data without caring for the name would be strange... */
DataLength = 0;
ErrorCode = RegEnumValueW(TestKey, 0, NULL, NULL, NULL, NULL, NULL, &DataLength);
ok_dec(ErrorCode, ERROR_INVALID_PARAMETER);
DataLength = 0;
NameLength = 7;
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, &DataType, NULL, &DataLength);
ok_dec(ErrorCode, ERROR_SUCCESS);
ok_dec(DataLength, sizeof(Data));
ok_hex(DataType, REG_BINARY);
/* Same, but this time with NULL data buffer and non-zero data size */
DataLength = 2;
NameLength = 7;
DataType = 0x01234567;
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, &DataType, NULL, &DataLength);
ok_dec(ErrorCode, ERROR_SUCCESS);
ok_dec(DataLength, sizeof(Data));
ok_hex(DataType, REG_BINARY);
/* Same, but this time with data buffer and shrunk data size */
DataLength = 2;
Data = 0;
DataType = 0x01234567;
NameLength = 7;
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, &DataType, (LPBYTE)&Data, &DataLength);
ok_dec(ErrorCode, ERROR_MORE_DATA);
ok_dec(DataLength, sizeof(Data));
ok_hex(Data, 0);
ok_hex(DataType, REG_BINARY);
/* Put the right parameters */
DataLength = sizeof(Data);
NameLength = 7;
Data = 0;
DataType = 0x01234567;
ErrorCode = RegEnumValueW(TestKey, 0, NameBuffer, &NameLength, NULL, &DataType, (LPBYTE)&Data, &DataLength);
ok_dec(ErrorCode, ERROR_SUCCESS);
ok_dec(DataLength, sizeof(Data));
ok_hex(Data, 0xF00DF00D);
ok_hex(DataType, REG_BINARY);
/* Delete the key */
ErrorCode = RegDeleteKeyW(TestKey, L"");
ok_dec(ErrorCode, ERROR_SUCCESS);
RegCloseKey(TestKey);
}