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/* Test of <stat-time.h>.
Copyright (C) 2007 Free Software Foundation, Inc.
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; either version 3 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>. */
/* Written by James Youngman <jay@gnu.org>, 2007. */
#include <config.h>
#include "stat-time.h"
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#define ASSERT(expr) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
abort (); \
} \
} \
while (0)
enum { NFILES = 4 };
static void
cleanup (int sig)
{
/* Remove temporary files. */
unlink ("t-stt-stamp1");
unlink ("t-stt-testfile");
unlink ("t-stt-stamp2");
unlink ("t-stt-renamed");
unlink ("t-stt-stamp3");
if (sig != 0)
_exit (1);
}
static int
open_file (const char *filename, int flags)
{
int fd = open (filename, flags | O_WRONLY, 0500);
if (fd >= 0)
{
close (fd);
return 1;
}
else
{
return 0;
}
}
static void
create_file (const char *filename)
{
ASSERT (open_file (filename, O_CREAT | O_EXCL));
}
static void
do_stat (const char *filename, struct stat *p)
{
ASSERT (stat (filename, p) == 0);
}
static void
prepare_test (struct stat *statinfo, struct timespec *modtimes)
{
int i;
create_file ("t-stt-stamp1");
sleep (2);
create_file ("t-stt-testfile");
sleep (2);
create_file ("t-stt-stamp2");
sleep (2);
ASSERT (chmod ("t-stt-testfile", 0400) == 0);
sleep (2);
create_file ("t-stt-stamp3");
do_stat ("t-stt-stamp1", &statinfo[0]);
do_stat ("t-stt-testfile", &statinfo[1]);
do_stat ("t-stt-stamp2", &statinfo[2]);
do_stat ("t-stt-stamp3", &statinfo[3]);
/* Now use our access functions. */
for (i = 0; i < NFILES; ++i)
{
modtimes[i] = get_stat_mtime (&statinfo[i]);
}
}
static void
test_mtime (const struct stat *statinfo, struct timespec *modtimes)
{
int i;
/* Use the struct stat fields directly. */
ASSERT (statinfo[0].st_mtime < statinfo[2].st_mtime); /* mtime(stamp1) < mtime(stamp2) */
ASSERT (statinfo[2].st_mtime < statinfo[3].st_mtime); /* mtime(stamp2) < mtime(stamp3) */
ASSERT (statinfo[2].st_mtime < statinfo[1].st_ctime); /* mtime(stamp2) < ctime(renamed) */
/* Now check the result of the access functions. */
ASSERT (modtimes[0].tv_sec < modtimes[2].tv_sec); /* mtime(stamp1) < mtime(stamp2) */
ASSERT (modtimes[2].tv_sec < modtimes[3].tv_sec); /* mtime(stamp2) < mtime(stamp3) */
/* verify equivalence */
for (i = 0; i < NFILES; ++i)
{
struct timespec ts;
ts = get_stat_mtime (&statinfo[i]);
ASSERT (ts.tv_sec == statinfo[i].st_mtime);
}
ASSERT (statinfo[2].st_mtime < statinfo[1].st_ctime); /* mtime(stamp2) < ctime(renamed) */
}
static void
test_birthtime (const struct stat *statinfo,
const struct timespec *modtimes,
struct timespec *birthtimes)
{
int i;
/* Collect the birth times.. */
for (i = 0; i < NFILES; ++i)
{
birthtimes[i] = get_stat_birthtime (&statinfo[i]);
if (birthtimes[i].tv_nsec < 0)
return;
}
ASSERT (modtimes[0].tv_sec < birthtimes[1].tv_sec); /* mtime(stamp1) < birthtime(renamed) */
ASSERT (birthtimes[1].tv_sec < modtimes[2].tv_sec); /* birthtime(renamed) < mtime(stamp2) */
}
int
main ()
{
struct stat statinfo[NFILES];
struct timespec modtimes[NFILES];
struct timespec birthtimes[NFILES];
#ifdef SIGHUP
signal (SIGHUP, cleanup);
#endif
#ifdef SIGINT
signal (SIGINT, cleanup);
#endif
#ifdef SIGQUIT
signal (SIGQUIT, cleanup);
#endif
#ifdef SIGTERM
signal (SIGTERM, cleanup);
#endif
cleanup (0);
prepare_test (statinfo, modtimes);
test_mtime (statinfo, modtimes);
test_birthtime (statinfo, modtimes, birthtimes);
cleanup (0);
return 0;
}
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