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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 5)
**
** Purpose: Tests the PAL implementation of the SetFilePointer function.
** Test the FILE_BEGIN option using the high word parameter
**
** Assumes Successful:
** CreateFile
** ReadFile
** WriteFile
** strlen
** CloseHandle
** strcmp
** GetFileSize
**
**
**===================================================================*/
#include <palsuite.h>
const char* szTextFile = "text.txt";
int __cdecl main(int argc, char *argv[])
{
HANDLE hFile = NULL;
DWORD dwOffset = 1;
LONG dwHighWord = 1;
DWORD dwReturnedOffset = 0;
DWORD dwReturnedHighWord = 0;
DWORD dwRc = 0;
DWORD dwError = 0;
BOOL bRc = FALSE;
if (0 != PAL_Initialize(argc,argv))
{
return FAIL;
}
/* create a test file */
hFile = CreateFile(szTextFile,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
dwError = GetLastError();
Fail("SetFilePointer: ERROR -> Unable to create file \"%s\".\n with "
"error %ld",
szTextFile,
GetLastError());
}
/* move -1 from beginning which should fail */
dwRc = SetFilePointer(hFile, -1, &dwHighWord, FILE_BEGIN);
if (dwRc != INVALID_SET_FILE_POINTER)
{
Trace("SetFilePointer: ERROR -> Succeeded to move the pointer "
"before the beginning of the file using the high word.\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;
}
/* set the pointer past the end of the file and verify */
dwRc = SetFilePointer(hFile, dwOffset, &dwHighWord, FILE_BEGIN);
if ((dwRc == INVALID_SET_FILE_POINTER) &&
((dwError = GetLastError()) != ERROR_SUCCESS))
{
Trace("SetFilePointer: ERROR -> Failed to move pointer past EOF.\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;
}
else
{
/* verify */
bRc = SetEndOfFile(hFile);
if (bRc != TRUE)
{
dwError = GetLastError();
if (dwError == 112)
{
Trace("SetFilePointer: ERROR -> SetEndOfFile failed due to "
"lack of disk space\n");
}
else
{
Trace("SetFilePointer: ERROR -> SetEndOfFile call failed with "
"error %ld\n", dwError);
}
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;
}
dwReturnedOffset = GetFileSize(hFile, &dwReturnedHighWord);
if ((dwOffset != dwReturnedOffset) ||
(dwHighWord != dwReturnedHighWord))
{
Trace("SetFilePointer: ERROR -> Failed to move pointer past"
" EOF.\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;
}
|
