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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: GetFileSize.c (test 1)
**
** Purpose: Tests the PAL implementation of the GetFileSize function.
**
**
**===================================================================*/
#include <palsuite.h>
const char* szTextFile = "text.txt";
void CleanUp(HANDLE hFile)
{
if (CloseHandle(hFile) != TRUE)
{
Fail("GetFileSize: ERROR -> Unable to close file \"%s\".\n",
szTextFile);
}
if (!DeleteFileA(szTextFile))
{
Fail("GetFileSize: ERROR -> Unable to delete file \"%s\".\n",
szTextFile);
}
}
void CheckFileSize(HANDLE hFile, DWORD dwOffset, DWORD dwHighOrder)
{
DWORD dwRc = 0;
DWORD dwReturnedHighOrder = 0;
DWORD dwReturnedOffset = 0;
dwRc = SetFilePointer(hFile, dwOffset, (PLONG)&dwHighOrder, FILE_BEGIN);
if (dwRc == INVALID_SET_FILE_POINTER)
{
Trace("GetFileSize: ERROR -> Call to SetFilePointer failed with %ld.\n",
GetLastError());
CleanUp(hFile);
Fail("");
}
else
{
if (!SetEndOfFile(hFile))
{
Trace("GetFileSize: ERROR -> Call to SetEndOfFile failed with %ld.\n",
GetLastError());
CleanUp(hFile);
Fail("");
}
dwReturnedOffset = GetFileSize(hFile, &dwReturnedHighOrder);
if ((dwReturnedOffset != dwOffset) ||
(dwReturnedHighOrder != dwHighOrder))
{
CleanUp(hFile);
Fail("GetFileSize: ERROR -> File sizes do not match up.\n");
}
}
}
int __cdecl main(int argc, char *argv[])
{
HANDLE hFile = NULL;
DWORD dwRc = 0;
DWORD dwRc2 = 0;
DWORD dwHighOrder = 0;
DWORD lpNumberOfBytesWritten;
char * data = "1234567890";
if (0 != PAL_Initialize(argc,argv))
{
return FAIL;
}
/* test on a null file handle */
dwRc = GetFileSize(hFile, NULL);
if (dwRc != INVALID_FILE_SIZE)
{
Fail("GetFileSize: ERROR -> A file size was returned for "
"a null handle.\n");
}
/* test on a null file handle using the high order option */
dwRc = GetFileSize(hFile, &dwHighOrder);
if (dwRc != INVALID_FILE_SIZE)
{
Fail("GetFileSize: ERROR -> A file size was returned for "
"a null handle.\n");
}
/* test on an invalid file handle */
dwRc = GetFileSize(INVALID_HANDLE_VALUE, NULL);
if (dwRc != INVALID_FILE_SIZE)
{
Fail("GetFileSize: ERROR -> A file size was returned for "
"an invalid handle.\n");
}
/* test on an invalid file handle using the high order option */
dwRc = GetFileSize(INVALID_HANDLE_VALUE, &dwHighOrder);
if (dwRc != INVALID_FILE_SIZE)
{
Fail("GetFileSize: ERROR -> A file size was returned for "
"an invalid handle.\n");
}
/* 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)
{
Fail("GetFileSize: ERROR -> Unable to create file \"%s\".\n",
szTextFile);
}
/* give the file a size */
CheckFileSize(hFile, 256, 0);
/* make the file large using the high order option */
CheckFileSize(hFile, 256, 1);
/* set the file size to zero */
CheckFileSize(hFile, 0, 0);
/* test if file size changes by writing to it. */
/* get file size */
dwRc = GetFileSize(hFile, NULL);
/* test writing to the file */
if(WriteFile(hFile, data, strlen(data), &lpNumberOfBytesWritten, NULL)==0)
{
Trace("GetFileSize: ERROR -> Call to WriteFile failed with %ld.\n",
GetLastError());
CleanUp(hFile);
Fail("");
}
/* make sure the buffer flushed.*/
if(FlushFileBuffers(hFile)==0)
{
Trace("GetFileSize: ERROR -> Call to FlushFileBuffers failed with %ld.\n",
GetLastError());
CleanUp(hFile);
Fail("");
}
/* get file size after writing some chars */
dwRc2 = GetFileSize(hFile, NULL);
if((dwRc2-dwRc) !=strlen(data))
{
CleanUp(hFile);
Fail("GetFileSize: ERROR -> File size did not increase properly after.\n"
"writing %d chars\n", strlen(data));
}
CleanUp(hFile);
PAL_Terminate();
return PASS;
}
|
