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-rw-r--r--gnulib-tests/test-futimens.h161
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diff --git a/gnulib-tests/test-futimens.h b/gnulib-tests/test-futimens.h
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+/* Test of file timestamp modification functions.
+ Copyright (C) 2009-2016 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/>. */
+
+#include "test-utimens-common.h"
+
+/* 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)
+{
+ int fd = creat (BASE "file", 0600);
+ int result;
+ struct stat st1;
+ struct stat st2;
+ ASSERT (0 <= fd);
+
+ /* Sanity check. */
+ ASSERT (fstat (fd, &st1) == 0);
+ nap ();
+ errno = 0;
+ result = func (fd, NULL);
+ if (result == -1 && errno == ENOSYS)
+ {
+ ASSERT (close (fd) == 0);
+ ASSERT (unlink (BASE "file") == 0);
+ if (print)
+ fputs ("skipping test: "
+ "setting fd time not supported on this file system\n",
+ stderr);
+ return 77;
+ }
+ ASSERT (!result);
+ 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 (-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 (func (fd, ts) == -1);
+ ASSERT (errno == EINVAL);
+ }
+ {
+ struct timespec ts[2] = { { Y2K, 0 }, { Y2K, UTIME_BOGUS_NEG } };
+ errno = 0;
+ ASSERT (func (fd, ts) == -1);
+ ASSERT (errno == EINVAL);
+ }
+ ASSERT (fstat (fd, &st2) == 0);
+ ASSERT (st1.st_atime == st2.st_atime);
+ ASSERT (get_stat_atime_ns (&st1) == get_stat_atime_ns (&st2));
+ ASSERT (utimecmp (BASE "file", &st1, &st2, 0) == 0);
+
+ /* Set both times. */
+ {
+ struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };
+ 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 (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 == 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. */
+ ASSERT (close (fd) == 0);
+ ASSERT (unlink (BASE "file") == 0);
+ return 0;
+}