coreutils-8.25HEADcoreutils-8.25master

1 files changed, 161 insertions, 0 deletions

diff --git a/gnulib-tests/test-futimens.h b/gnulib-tests/test-futimens.h
new file mode 100644
index 0000000..8c51c2b
--- /dev/null
+++ b/gnulib-tests/test-futimens.h
@@ -0,0 +1,161 @@
+/* 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;
+}