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/* Copyright (C) 2006-2008 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
#include <tap.h> /* Includes my_global.h */
#include <my_sys.h>
#include <my_dir.h>
#include "test_file.h"
/*
Check that file contance correspond to descriptor
SYNOPSIS
test_file()
file File to test
file_name Path (and name) of file which is tested
size size of file
buff_size size of buffer which is enought to check the file
desc file descriptor to check with
RETURN
1 file if OK
0 error
*/
int test_file(PAGECACHE_FILE file, char *file_name,
off_t size, size_t buff_size, struct file_desc *desc)
{
unsigned char *buffr= my_malloc(buff_size, MYF(0));
off_t pos= 0;
size_t byte;
int step= 0;
int res= 1; /* ok */
#ifdef __WIN__
/*
On Windows, the info returned by stat(), specifically file length
is not necessarily current, because this is the behavior of
underlying FindFirstFile() function.
*/
WIN32_FILE_ATTRIBUTE_DATA file_attr;
LARGE_INTEGER li;
if(GetFileAttributesEx(file_name, GetFileExInfoStandard, &file_attr) == 0)
{
diag("Can't GetFileAttributesEx %s (errno: %d)\n", file_name,
GetLastError());
res= 0;
goto err;
}
li.HighPart= file_attr.nFileSizeHigh;
li.LowPart= file_attr.nFileSizeLow;
if(li.QuadPart != size)
{
diag("file %s size is %llu (should be %llu)\n",
file_name, (ulonglong)size, (ulonglong)li.QuadPart);
res= 0; /* failed */
/* continue to get more information */
}
#else
MY_STAT stat_buff, *stat;
if ((stat= my_stat(file_name, &stat_buff, MYF(0))) == NULL)
{
diag("Can't stat() %s (errno: %d)\n", file_name, errno);
res= 0;
goto err;
}
if (stat->st_size != size)
{
diag("file %s size is %lu (should be %lu)\n",
file_name, (ulong) stat->st_size, (ulong) size);
res= 0; /* failed */
/* continue to get more information */
}
#endif
/* check content */
my_seek(file.file, 0, SEEK_SET, MYF(MY_WME));
while (desc[step].length != 0)
{
if (my_read(file.file, buffr, desc[step].length, MYF(0)) !=
desc[step].length)
{
diag("Can't read %u bytes from %s (file: %d errno: %d)\n",
(uint)desc[step].length, file_name, file.file, errno);
res= 0;
goto err;
}
for (byte= 0; byte < desc[step].length; byte++)
{
if (buffr[byte] != desc[step].content)
{
diag("content of %s mismatch 0x%x in position %lu instead of 0x%x\n",
file_name, (uint) buffr[byte], (ulong) (pos + byte),
desc[step].content);
res= 0;
goto err;
}
}
pos+= desc[step].length;
step++;
}
err:
my_free(buffr);
return res;
}
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