/* Test of file timestamp modification functions.
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009-2013 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 2 of the License, or
+ 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,
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* This file assumes that BASE and ASSERT are already defined. */
+#include "test-utimens-common.h"
-#ifndef GL_TEST_UTIMENS
-# define GL_TEST_UTIMENS
-
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "stat-time.h"
-#include "timespec.h"
-#include "utimecmp.h"
-
-enum {
- BILLION = 1000 * 1000 * 1000,
-
- Y2K = 946684800, /* Jan 1, 2000, in seconds since epoch. */
-
- /* Bogus positive and negative tv_nsec values closest to valid
- range, but without colliding with UTIME_NOW or UTIME_OMIT. */
- UTIME_BOGUS_POS = BILLION + ((UTIME_NOW == BILLION || UTIME_OMIT == BILLION)
- ? (1 + (UTIME_NOW == BILLION + 1)
- + (UTIME_OMIT == BILLION + 1))
- : 0),
- UTIME_BOGUS_NEG = -1 - ((UTIME_NOW == -1 || UTIME_OMIT == -1)
- ? (1 + (UTIME_NOW == -2) + (UTIME_OMIT == -2))
- : 0)
-};
-
-#endif /* GL_TEST_UTIMENS */
-
-/* This function is designed to test both gl_futimens(a,NULL,b) and
- futimens(a,b). FUNC is the function to test. If PRINT, warn
- before skipping tests with status 77. */
+/* This file is designed to test both fdutimens(a,NULL,b) and
+ futimens(a,b). FUNC is the function to test. Assumes that BASE
+ and ASSERT are already defined. If PRINT, warn before skipping
+ tests with status 77. */
static int
test_futimens (int (*func) (int, struct timespec const *),
bool print)
ASSERT (0 <= fd);
/* Sanity check. */
+ ASSERT (fstat (fd, &st1) == 0);
+ nap ();
errno = 0;
result = func (fd, NULL);
if (result == -1 && errno == ENOSYS)
return 77;
}
ASSERT (!result);
- ASSERT (fstat (fd, &st1) == 0);
+ ASSERT (fstat (fd, &st2) == 0);
+ /* If utimens truncates to less resolution than the file system
+ supports, then time can appear to go backwards between now and a
+ follow-up utimens with UTIME_NOW or a NULL timespec. Use
+ UTIMECMP_TRUNCATE_SOURCE to compensate, with st1 as the
+ source. */
+ ASSERT (0 <= utimecmp (BASE "file", &st2, &st1, UTIMECMP_TRUNCATE_SOURCE));
+ if (check_ctime)
+ ASSERT (ctime_compare (&st1, &st2) < 0);
+ {
+ /* On some NFS systems, the 'now' timestamp of creat or a NULL
+ timespec is determined by the server, but the 'now' timestamp
+ determined by gettime() (as is done when using UTIME_NOW) is
+ determined by the client; since the two machines are not
+ necessarily on the same clock, this is another case where time
+ can appear to go backwards. The rest of this test cares about
+ client time, so manually use gettime() to set both times. */
+ struct timespec ts[2];
+ gettime (&ts[0]);
+ ts[1] = ts[0];
+ ASSERT (func (fd, ts) == 0);
+ ASSERT (fstat (fd, &st1) == 0);
+ nap ();
+ }
/* Invalid arguments. */
- errno = 0;
- ASSERT (func (AT_FDCWD, NULL) == -1);
- ASSERT (errno == EBADF);
+ {
+ errno = 0;
+ ASSERT (func (AT_FDCWD, NULL) == -1);
+ ASSERT (errno == EBADF);
+ }
+ {
+ errno = 0;
+ ASSERT (func (-1, NULL) == -1);
+ ASSERT (errno == EBADF);
+ }
+ {
+ close (99);
+ errno = 0;
+ ASSERT (func (99, NULL) == -1);
+ ASSERT (errno == EBADF);
+ }
+ {
+ int fd0 = dup (0);
+ ASSERT (0 <= fd0);
+ ASSERT (close (fd0) == 0);
+ errno = 0;
+ ASSERT (func (fd0, NULL) == -1);
+ ASSERT (errno == EBADF);
+ }
{
struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
errno = 0;
ASSERT (st2.st_mtime == Y2K);
ASSERT (0 <= get_stat_mtime_ns (&st2));
ASSERT (get_stat_mtime_ns (&st2) < BILLION);
+ if (check_ctime)
+ ASSERT (ctime_compare (&st1, &st2) < 0);
}
/* Play with UTIME_OMIT, UTIME_NOW. */
{
+ struct stat st3;
struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };
+ nap ();
+ ASSERT (func (fd, ts) == 0);
+ ASSERT (fstat (fd, &st3) == 0);
+ ASSERT (st3.st_atime == Y2K);
+ ASSERT (0 <= get_stat_atime_ns (&st3));
+ ASSERT (get_stat_atime_ns (&st3) <= BILLION / 2);
+ ASSERT (utimecmp (BASE "file", &st1, &st3, 0) <= 0);
+ if (check_ctime)
+ ASSERT (ctime_compare (&st2, &st3) < 0);
+ nap ();
+ ts[0].tv_nsec = 0;
+ ts[1].tv_nsec = UTIME_OMIT;
ASSERT (func (fd, ts) == 0);
ASSERT (fstat (fd, &st2) == 0);
- ASSERT (st2.st_atime == Y2K);
- ASSERT (0 <= get_stat_atime_ns (&st2));
- ASSERT (get_stat_atime_ns (&st2) <= BILLION / 2);
- ASSERT (utimecmp (BASE "file", &st1, &st2, 0) <= 0);
+ ASSERT (st2.st_atime == BILLION);
+ ASSERT (get_stat_atime_ns (&st2) == 0);
+ ASSERT (st3.st_mtime == st2.st_mtime);
+ ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
+ if (check_ctime)
+ ASSERT (ctime_compare (&st3, &st2) < 0);
}
/* Cleanup. */
projects / gnulib.git / blobdiff