reactos/rostests/apitests/ntdll/NtQueryKey.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: Tests for the NtQueryKey API
* PROGRAMMER: Jérôme Gardou <jerome.gardou@reactos.org>
*/
#include <apitest.h>
#define WIN32_NO_STATUS
#include <ndk/rtlfuncs.h>
#include <ndk/cmfuncs.h>
#include <ndk/cmtypes.h>
#include <ndk/obfuncs.h>
static
void
Test_KeyNameInformation(void)
{
UNICODE_STRING HKLM_Name = RTL_CONSTANT_STRING(L"\\Registry\\Machine");
UNICODE_STRING HKLM_Software_Name = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\Software");
UNICODE_STRING Software_Name = RTL_CONSTANT_STRING(L"Software");
UNICODE_STRING InfoName;
HANDLE HKLM_Key, HKLM_Software_Key;
PKEY_NAME_INFORMATION NameInformation;
ULONG InfoLength;
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
/* Open the HKCU key */
InitializeObjectAttributes(&ObjectAttributes,
&HKLM_Name,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(&HKLM_Key, KEY_READ, &ObjectAttributes);
ok_ntstatus(Status, STATUS_SUCCESS);
/* Get the name info length */
InfoLength = 0;
Status = NtQueryKey(HKLM_Key, KeyNameInformation, NULL, 0, &InfoLength);
ok_ntstatus(Status, STATUS_BUFFER_TOO_SMALL);
ok_size_t(InfoLength, FIELD_OFFSET(KEY_NAME_INFORMATION, Name[HKLM_Name.Length/sizeof(WCHAR)]));
/* Get it for real */
NameInformation = RtlAllocateHeap(RtlGetProcessHeap(), 0, InfoLength);
ok(NameInformation != NULL, "\n");
Status = NtQueryKey(HKLM_Key, KeyNameInformation, NameInformation, InfoLength, &InfoLength);
ok_ntstatus(Status, STATUS_SUCCESS);
ok_size_t(InfoLength, FIELD_OFFSET(KEY_NAME_INFORMATION, Name[HKLM_Name.Length/sizeof(WCHAR)]));
ok_size_t(NameInformation->NameLength, HKLM_Name.Length);
RtlInitUnicodeString(&InfoName, NameInformation->Name);
InfoName.Length = NameInformation->NameLength;
ok(RtlCompareUnicodeString(&InfoName, &HKLM_Name, TRUE) == 0, "%.*S\n",
InfoName.Length, InfoName.Buffer);
RtlFreeHeap(RtlGetProcessHeap(), 0, NameInformation);
/* Open one subkey */
InitializeObjectAttributes(&ObjectAttributes,
&Software_Name,
OBJ_CASE_INSENSITIVE,
HKLM_Key,
NULL);
Status = NtOpenKey(&HKLM_Software_Key, KEY_READ, &ObjectAttributes);
ok_ntstatus(Status, STATUS_SUCCESS);
/* Get the name info length */
InfoLength = 0;
Status = NtQueryKey(HKLM_Software_Key, KeyNameInformation, NULL, 0, &InfoLength);
ok_ntstatus(Status, STATUS_BUFFER_TOO_SMALL);
ok_size_t(InfoLength, FIELD_OFFSET(KEY_NAME_INFORMATION, Name[HKLM_Software_Name.Length/sizeof(WCHAR)]));
/* Get it for real */
NameInformation = RtlAllocateHeap(RtlGetProcessHeap(), 0, InfoLength);
ok(NameInformation != NULL, "\n");
Status = NtQueryKey(HKLM_Software_Key, KeyNameInformation, NameInformation, InfoLength, &InfoLength);
ok_ntstatus(Status, STATUS_SUCCESS);
ok_size_t(InfoLength, FIELD_OFFSET(KEY_NAME_INFORMATION, Name[HKLM_Software_Name.Length/sizeof(WCHAR)]));
ok_size_t(NameInformation->NameLength, HKLM_Software_Name.Length);
RtlInitUnicodeString(&InfoName, NameInformation->Name);
InfoName.Length = NameInformation->NameLength;
ok(RtlCompareUnicodeString(&InfoName, &HKLM_Software_Name, TRUE) == 0, "%.*S\n",
InfoName.Length, InfoName.Buffer);
RtlFreeHeap(RtlGetProcessHeap(), 0, NameInformation);
NtClose(HKLM_Software_Key);
NtClose(HKLM_Key);
}
START_TEST(NtQueryKey)
{
Test_KeyNameInformation();
}