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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: WriteFile.c (test 5)
**
** Purpose: Tests the PAL implementation of the WriteFile function.
** Performs writing a huge file.
**
** dependency:
** CreateFile.
** GetFileSize.
** FlushFileBuffers
** CloseHandle
** DeleteFile
**
**
**===================================================================*/
#include <palsuite.h>
BOOL CleanUp(HANDLE hFile, const char * fileName)
{
BOOL bRc = TRUE;
if (CloseHandle(hFile) != TRUE)
{
bRc = FALSE;
Trace("WriteFile: ERROR -> Unable to close file \"%s\","
" error: %ld.\n", fileName, GetLastError());
}
if (!DeleteFileA(fileName))
{
bRc = FALSE;
Trace("WriteFile: ERROR -> Unable to delete file \"%s\","
" error: %ld.\n", fileName, GetLastError());
}
return bRc;
}
int __cdecl main(int argc, char *argv[])
{
HANDLE hFile = NULL;
DWORD dwBytesWritten;
const char* hugeStringTest =
"1234567890123456789012345678901234567890";
const char* szWritableFile = "writeable.txt";
int i =0;
if (0 != PAL_Initialize(argc,argv))
{
return FAIL;
}
/* create the test file */
hFile = CreateFile(szWritableFile,
GENERIC_WRITE,
FILE_SHARE_WRITE,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
Fail("WriteFile: ERROR -> Unable to create file \"%s\".\n",
szWritableFile);
}
/* write 4000 000 chars to the file.*/
for (i=0; i<100000;i++)
{
if( WriteFile(hFile, /* HANDLE handle to file */
hugeStringTest, /* data buffer */
strlen(hugeStringTest), /* number of bytes to write */
&dwBytesWritten, /* number of bytes written */
NULL) /* overlapped buffer */
==0)
{
Trace("WriteFile: ERROR -> Unable to write to file error: %ld \n",
GetLastError());
CleanUp(hFile,szWritableFile);
Fail("");
}
}
if(!FlushFileBuffers(hFile))
{
Trace("WriteFile: ERROR -> Call to FlushFileBuffers failed"
"error %ld \n",GetLastError());
CleanUp(hFile,szWritableFile);
Fail("");
}
/* test if the size changed properly. */
if(GetFileSize(hFile,NULL) != 4000000)
{
Trace("WriteFile: ERROR -> file size did not change properly"
" after writing 4000 000 chars to it ( size= %u )\n",
GetFileSize(hFile,NULL));
CleanUp(hFile,szWritableFile);
Fail("");
}
if (!CleanUp(hFile,szWritableFile))
{
Fail("");
}
PAL_Terminate();
return PASS;
}
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