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/*
* COPYRIGHT (c) 2013 Andrey Mozzhuhin
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/statvfs.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include "fstest.h"
#include "fs_config.h"
#include <tmacros.h>
const char rtems_test_name[] = "FSSTATVFS " FILESYSTEM;
static void statvfs_validate(struct statvfs *stat)
{
rtems_test_assert(stat->f_bsize > 0);
rtems_test_assert(stat->f_frsize > 0);
rtems_test_assert(stat->f_blocks > 0);
rtems_test_assert(stat->f_bfree <= stat->f_blocks);
rtems_test_assert(stat->f_bavail <= stat->f_blocks);
rtems_test_assert(stat->f_ffree <= stat->f_files);
rtems_test_assert(stat->f_favail <= stat->f_files);
rtems_test_assert(stat->f_namemax > 0);
}
static void statvfs_test01(void)
{
struct statvfs statbuf1, statbuf2;
int status;
int fd;
ssize_t n;
const char *databuf = "STATVFS";
int datalen = strlen(databuf);
const char *filename = __func__;
/*
* Get current filesystem statistics
*/
status = statvfs("/", &statbuf1);
rtems_test_assert(status == 0);
statvfs_validate(&statbuf1);
/*
* Create one file
*/
fd = open(filename, O_CREAT | O_WRONLY, 0775);
rtems_test_assert(fd >= 0);
n = write(fd, databuf, datalen);
rtems_test_assert(n == datalen);
status = close(fd);
rtems_test_assert(status == 0);
/*
* Get new filesystem statistics
*/
status = statvfs("/", &statbuf2);
rtems_test_assert(status == 0);
statvfs_validate(&statbuf2);
/*
* Compare old and new statistics
*/
rtems_test_assert(statbuf1.f_bsize == statbuf2.f_bsize);
rtems_test_assert(statbuf1.f_frsize == statbuf2.f_frsize);
rtems_test_assert(statbuf1.f_blocks == statbuf2.f_blocks);
rtems_test_assert(statbuf1.f_bfree >= statbuf2.f_bfree);
rtems_test_assert(statbuf1.f_bavail >= statbuf2.f_bavail);
rtems_test_assert(statbuf1.f_ffree >= statbuf2.f_ffree);
rtems_test_assert(statbuf1.f_favail >= statbuf2.f_favail);
rtems_test_assert(statbuf1.f_namemax == statbuf2.f_namemax);
}
/*
* These tests only get time_t value, and test
* if they are changed. Thest tests don't check atime
*/
void test(void)
{
statvfs_test01();
}
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