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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=====================================================================
**
** Source: SetFilePointer.c (test 1)
**
** Purpose: Tests the PAL implementation of the SetFilePointer function.
** Set the file pointer using a NULL handle and other invalid
** options.
**
**
**===================================================================*/
#include <palsuite.h>
const char* szTextFile = "text.txt";
int __cdecl main(int argc, char *argv[])
{
HANDLE hFile = NULL;
DWORD dwByteCount = 0;
DWORD dwOffset = 25;
DWORD dwRc = 0;
BOOL bRc = FALSE;
char buffer[100];
if (0 != PAL_Initialize(argc,argv))
{
return FAIL;
}
/* set the file pointer on a NULL file handle */
dwRc = SetFilePointer(NULL, dwOffset, NULL, FILE_BEGIN);
if (dwRc != INVALID_SET_FILE_POINTER)
{
Fail("SetFilePointer: ERROR -> Call to SetFilePointer succeeded "
"with a NULL pointer\n");
}
/* create a test file without proper permission */
hFile = CreateFile(szTextFile,
0,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
Fail("SetFilePointer: ERROR -> Unable to create file \"%s\".\n",
szTextFile);
}
/* ReadFile fails as expected */
bRc = ReadFile(hFile, buffer, 1, &dwByteCount, NULL);
if (bRc != FALSE)
{
Trace("SetFilePointer: ERROR -> ReadFile was successful when it was "
"expected to fail\n");
if (!CloseHandle(hFile))
{
Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n",
szTextFile);
}
if (!DeleteFileA(szTextFile))
{
Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n",
szTextFile);
}
PAL_TerminateEx(FAIL);
return FAIL;
}
/* move the file pointer before the beginning of the file */
dwRc = SetFilePointer(hFile, -1, NULL, FILE_BEGIN);
if (dwRc != INVALID_SET_FILE_POINTER)
{
Trace("SetFilePointer: ERROR -> Was able to move the pointer before "
"the beginning of the file.\n");
bRc = CloseHandle(hFile);
if (bRc != TRUE)
{
Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n",
szTextFile);
}
if (!DeleteFileA(szTextFile))
{
Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n",
szTextFile);
}
PAL_TerminateEx(FAIL);
return FAIL;
}
bRc = CloseHandle(hFile);
if (bRc != TRUE)
{
Trace("SetFilePointer: ERROR -> Unable to close file \"%s\".\n",
szTextFile);
if (!DeleteFileA(szTextFile))
{
Trace("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n",
szTextFile);
}
PAL_TerminateEx(FAIL);
return FAIL;
}
if (!DeleteFileA(szTextFile))
{
Fail("SetFilePointer: ERROR -> Unable to delete file \"%s\".\n",
szTextFile);
}
PAL_Terminate();
return PASS;
}
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