reactos/rostests/apitests/ntdll/NtWriteFile.c

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/*
* PROJECT: ReactOS API tests
* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
* PURPOSE: Test for NtWriteFile
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
*/
#include <apitest.h>
#define WIN32_NO_STATUS
#include <winreg.h>
#include <ndk/cmfuncs.h>
#include <ndk/iofuncs.h>
#include <ndk/mmfuncs.h>
#include <ndk/obfuncs.h>
#include <ndk/psfuncs.h>
#include <ndk/rtlfuncs.h>
static
BOOL
Is64BitSystem(VOID)
{
#ifdef _WIN64
return TRUE;
#else
NTSTATUS Status;
ULONG_PTR IsWow64;
Status = NtQueryInformationProcess(NtCurrentProcess(),
ProcessWow64Information,
&IsWow64,
sizeof(IsWow64),
NULL);
if (NT_SUCCESS(Status))
{
return IsWow64 != 0;
}
return FALSE;
#endif
}
static
ULONG
SizeOfMdl(VOID)
{
return Is64BitSystem() ? 48 : 28;
}
START_TEST(NtWriteFile)
{
NTSTATUS Status;
HANDLE FileHandle;
UNICODE_STRING FileName = RTL_CONSTANT_STRING(L"\\SystemRoot\\ntdll-apitest-NtWriteFile-test.bin");
PVOID Buffer;
SIZE_T BufferSize;
LARGE_INTEGER ByteOffset;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatus;
FILE_DISPOSITION_INFORMATION DispositionInfo;
ULONG TooLargeDataSize = (MAXUSHORT + 1 - SizeOfMdl()) / sizeof(ULONG_PTR) * PAGE_SIZE; // 0x3FF9000 on x86
ULONG LargeMdlMaxDataSize = TooLargeDataSize - PAGE_SIZE;
trace("System is %d bits, Size of MDL: %lu\n", Is64BitSystem() ? 64 : 32, SizeOfMdl());
trace("Max MDL data size: 0x%lx bytes\n", LargeMdlMaxDataSize);
ByteOffset.QuadPart = 0;
Buffer = NULL;
BufferSize = TooLargeDataSize;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&Buffer,
0,
&BufferSize,
MEM_RESERVE | MEM_COMMIT,
PAGE_READONLY);
if (!NT_SUCCESS(Status))
{
skip("Failed to allocate memory, status %lx\n", Status);
return;
}
InitializeObjectAttributes(&ObjectAttributes,
&FileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtCreateFile(&FileHandle,
FILE_WRITE_DATA | DELETE | SYNCHRONIZE,
&ObjectAttributes,
&IoStatus,
NULL,
0,
0,
FILE_SUPERSEDE,
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT |
FILE_NO_INTERMEDIATE_BUFFERING,
NULL,
0);
ok_hex(Status, STATUS_SUCCESS);
/* non-cached, max size -- succeeds */
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize - PAGE_SIZE,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_SUCCESS);
/* non-cached, max size -- succeeds */
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_SUCCESS);
/* non-cached, too large -- fails to allocate MDL
* Note: this returns STATUS_SUCCESS on Win7 -- higher MDL size limit */
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize + PAGE_SIZE,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_INSUFFICIENT_RESOURCES);
/* non-cached, unaligned -- fails with invalid parameter */
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize + 1,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_INVALID_PARAMETER);
DispositionInfo.DeleteFile = TRUE;
Status = NtSetInformationFile(FileHandle,
&IoStatus,
&DispositionInfo,
sizeof(DispositionInfo),
FileDispositionInformation);
ok_hex(Status, STATUS_SUCCESS);
Status = NtClose(FileHandle);
ok_hex(Status, STATUS_SUCCESS);
Status = NtCreateFile(&FileHandle,
FILE_WRITE_DATA | DELETE | SYNCHRONIZE,
&ObjectAttributes,
&IoStatus,
NULL,
0,
0,
FILE_SUPERSEDE,
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
NULL,
0);
ok_hex(Status, STATUS_SUCCESS);
/* cached: succeeds with arbitrary length */
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_SUCCESS);
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
LargeMdlMaxDataSize + 1,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_SUCCESS);
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
Buffer,
TooLargeDataSize,
&ByteOffset,
NULL);
ok_hex(Status, STATUS_SUCCESS);
DispositionInfo.DeleteFile = TRUE;
Status = NtSetInformationFile(FileHandle,
&IoStatus,
&DispositionInfo,
sizeof(DispositionInfo),
FileDispositionInformation);
ok_hex(Status, STATUS_SUCCESS);
Status = NtClose(FileHandle);
ok_hex(Status, STATUS_SUCCESS);
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer,
&BufferSize,
MEM_RELEASE);
ok_hex(Status, STATUS_SUCCESS);
}