* build-aux/bootstrap (slurp): Remove obsolescent gettext.m4 patch.

[gnulib.git] / tests / test-lutimens.h

diff --git a/tests/test-lutimens.h b/tests/test-lutimens.h
index 18cf75f..e5b57eb 100644 (file)
--- a/tests/test-lutimens.h
+++ b/tests/test-lutimens.h
@@ -1,9 +1,9 @@
 /* Test of file timestamp modification functions.
 /* Test of file timestamp modification functions.

-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2011 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
 
    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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -14,51 +14,61 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
    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 lutimens(a,b) and
+/* This file is designed to test both lutimens(a,b) and

    utimensat(AT_FDCWD,a,b,AT_SYMLINK_NOFOLLOW).  FUNC is the function
    utimensat(AT_FDCWD,a,b,AT_SYMLINK_NOFOLLOW).  FUNC is the function

-   to test.  If PRINT, warn before skipping tests with status 77.  */
+   to test.  Assumes that BASE and ASSERT are already defined.  If
+   PRINT, warn before skipping tests with status 77.  */

 static int
 test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
 {
   int result;
 static int
 test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
 {
   int result;

+  int saved_errno;

   struct stat st1;
   struct stat st2;
   bool atime_supported = true;
 
   struct stat st1;
   struct stat st2;
   bool atime_supported = true;
 

-  if (symlink ("nowhere", BASE "link"))
+  /* Non-symlinks should be handled just like utimens.  */
+  errno = 0;
+  ASSERT (func ("no_such", NULL) == -1);
+  ASSERT (errno == ENOENT);
+  errno = 0;
+  ASSERT (func ("no_such/", NULL) == -1);
+  ASSERT (errno == ENOENT || errno == ENOTDIR);
+  errno = 0;
+  ASSERT (func ("", NULL) == -1);
+  ASSERT (errno == ENOENT);
+  ASSERT (close (creat (BASE "file", 0600)) == 0);
+  ASSERT (stat (BASE "file", &st1) == 0);
+  ASSERT (st1.st_atime != Y2K);
+  ASSERT (st1.st_mtime != Y2K);
+  {
+    struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+    errno = 0;
+    ASSERT (func (BASE "file/", ts) == -1);
+    ASSERT (errno == ENOTDIR);
+    ASSERT (stat (BASE "file", &st2) == 0);
+    ASSERT (st1.st_atime == st2.st_atime);
+    ASSERT (st1.st_mtime == st2.st_mtime);
+  }
+  {
+    struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+    nap ();
+    ASSERT (func (BASE "file", ts) == 0);
+  }
+  ASSERT (stat (BASE "file", &st2) == 0);
+  ASSERT (st2.st_atime == Y2K);
+  ASSERT (st2.st_mtime == Y2K);
+  if (check_ctime)
+    ASSERT (st1.st_ctime < st2.st_ctime
+            || (st1.st_ctime == st2.st_ctime
+                && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));
+
+  /* Play with symlink timestamps.  */
+  if (symlink (BASE "file", BASE "link"))

     {
     {

+      ASSERT (unlink (BASE "file") == 0);

       if (print)
         fputs ("skipping test: symlinks not supported on this file system\n",
                stderr);
       if (print)
         fputs ("skipping test: symlinks not supported on this file system\n",
                stderr);


@@ -66,7 +76,16 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
     }
   errno = 0;
   result = func (BASE "link", NULL);
     }
   errno = 0;
   result = func (BASE "link", NULL);

-  if (result == -1 && errno == ENOSYS)
+  saved_errno = errno;
+  /* Make sure we did not reference through link by accident.  */
+  ASSERT (stat (BASE "file", &st1) == 0);
+  ASSERT (st1.st_atime == Y2K);
+  ASSERT (st1.st_mtime == Y2K);
+  ASSERT (lstat (BASE "link", &st1) == 0);
+  ASSERT (st1.st_atime != Y2K);
+  ASSERT (st1.st_mtime != Y2K);
+  ASSERT (unlink (BASE "file") == 0);
+  if (result == -1 && saved_errno == ENOSYS)

     {
       ASSERT (unlink (BASE "link") == 0);
       if (print)
     {
       ASSERT (unlink (BASE "link") == 0);
       if (print)


@@ -77,25 +96,17 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
     }
   ASSERT (!result);
   ASSERT (lstat (BASE "link", &st1) == 0);
     }
   ASSERT (!result);
   ASSERT (lstat (BASE "link", &st1) == 0);

-#if HAVE_USLEEP
-  /* On Cygwin, the mere act of lstat changes symlink atime, even
-     though POSIX says that only readlink is allowed to do that.
-     Sleeping for one millisecond is enough to expose this.  Platforms
-     without usleep either don't have symlinks, or are immune.  */
-  usleep (1000);
-#endif
+  /* On cygwin, lstat() changes atime of symlinks, so that lutimens
+     can only effectively modify mtime.  */
+  nap ();

   ASSERT (lstat (BASE "link", &st2) == 0);
   if (st1.st_atime != st2.st_atime
       || get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2))
   ASSERT (lstat (BASE "link", &st2) == 0);
   if (st1.st_atime != st2.st_atime
       || get_stat_atime_ns (&st1) != get_stat_atime_ns (&st2))

-     atime_supported = false;
+    atime_supported = false;
+  ASSERT (st1.st_ctime == st2.st_ctime);
+  ASSERT (get_stat_ctime_ns (&st1) == get_stat_ctime_ns (&st2));

 
   /* Invalid arguments.  */
 
   /* Invalid arguments.  */

-  errno = 0;
-  ASSERT (func ("no_such", NULL) == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (func ("", NULL) == -1);
-  ASSERT (errno == ENOENT);

   {
     struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
     errno = 0;
   {
     struct timespec ts[2] = { { Y2K, UTIME_BOGUS_POS }, { Y2K, 0 } };
     errno = 0;


@@ -119,6 +130,7 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
   /* Set both times.  */
   {
     struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };
   /* Set both times.  */
   {
     struct timespec ts[2] = { { Y2K, BILLION / 2 - 1 }, { Y2K, BILLION - 1 } };

+    nap ();

     ASSERT (func (BASE "link", ts) == 0);
     ASSERT (lstat (BASE "link", &st2) == 0);
     if (atime_supported)
     ASSERT (func (BASE "link", ts) == 0);
     ASSERT (lstat (BASE "link", &st2) == 0);
     if (atime_supported)


@@ -130,23 +142,72 @@ test_lutimens (int (*func) (char const *, struct timespec const *), bool print)
     ASSERT (st2.st_mtime == Y2K);
     ASSERT (0 <= get_stat_mtime_ns (&st2));
     ASSERT (get_stat_mtime_ns (&st2) < BILLION);
     ASSERT (st2.st_mtime == Y2K);
     ASSERT (0 <= get_stat_mtime_ns (&st2));
     ASSERT (get_stat_mtime_ns (&st2) < BILLION);

+    if (check_ctime)
+      ASSERT (st1.st_ctime < st2.st_ctime
+              || (st1.st_ctime == st2.st_ctime
+                  && get_stat_ctime_ns (&st1) < get_stat_ctime_ns (&st2)));

   }
 
   /* Play with UTIME_OMIT, UTIME_NOW.  */
   {
   }
 
   /* Play with UTIME_OMIT, UTIME_NOW.  */
   {

+    struct stat st3;

     struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };
     struct timespec ts[2] = { { BILLION, UTIME_OMIT }, { 0, UTIME_NOW } };

+    nap ();
+    ASSERT (func (BASE "link", ts) == 0);
+    ASSERT (lstat (BASE "link", &st3) == 0);
+    if (atime_supported)
+      {
+        ASSERT (st3.st_atime == Y2K);
+        ASSERT (0 <= get_stat_atime_ns (&st3));
+        ASSERT (get_stat_atime_ns (&st3) < BILLION / 2);
+      }
+    ASSERT (utimecmp (BASE "link", &st1, &st3, 0) <= 0);
+    if (check_ctime)
+      ASSERT (st2.st_ctime < st3.st_ctime
+              || (st2.st_ctime == st3.st_ctime
+                  && get_stat_ctime_ns (&st2) < get_stat_ctime_ns (&st3)));
+    nap ();
+    ts[0].tv_nsec = 0;
+    ts[1].tv_nsec = UTIME_OMIT;

     ASSERT (func (BASE "link", ts) == 0);
     ASSERT (lstat (BASE "link", &st2) == 0);
     if (atime_supported)
       {
     ASSERT (func (BASE "link", ts) == 0);
     ASSERT (lstat (BASE "link", &st2) == 0);
     if (atime_supported)
       {

-        ASSERT (st2.st_atime == Y2K);
-        ASSERT (0 <= get_stat_atime_ns (&st2));
-        ASSERT (get_stat_atime_ns (&st2) < BILLION / 2);
+        ASSERT (st2.st_atime == BILLION);
+        ASSERT (get_stat_atime_ns (&st2) == 0);

       }
       }

-    ASSERT (utimecmp (BASE "link", &st1, &st2, 0) <= 0);
+    ASSERT (st3.st_mtime == st2.st_mtime);
+    ASSERT (get_stat_mtime_ns (&st3) == get_stat_mtime_ns (&st2));
+    if (check_ctime)
+      ASSERT (st3.st_ctime < st2.st_ctime
+              || (st3.st_ctime == st2.st_ctime
+                  && get_stat_ctime_ns (&st3) < get_stat_ctime_ns (&st2)));

   }
 
   }
 

+  /* Symlink to directory.  */
+  ASSERT (unlink (BASE "link") == 0);
+  ASSERT (symlink (BASE "dir", BASE "link") == 0);
+  ASSERT (mkdir (BASE "dir", 0700) == 0);
+  {
+    struct timespec ts[2] = { { Y2K, 0 }, { Y2K, 0 } };
+    ASSERT (func (BASE "link/", ts) == 0);
+  }
+  /* On cygwin 1.5, stat() changes atime of directories, so only check
+     mtime.  */
+  ASSERT (stat (BASE "dir", &st1) == 0);
+  ASSERT (st1.st_mtime == Y2K);
+  ASSERT (lstat (BASE "link", &st1) == 0);
+  ASSERT (st1.st_atime != Y2K);
+  ASSERT (st1.st_mtime != Y2K);
+  ASSERT (func (BASE "link", NULL) == 0);
+  ASSERT (stat (BASE "dir", &st1) == 0);
+  ASSERT (st1.st_mtime == Y2K);
+  ASSERT (lstat (BASE "link", &st1) == 0);
+  ASSERT (st1.st_atime != Y2K);
+  ASSERT (st1.st_mtime != Y2K);
+

   /* Cleanup.  */
   /* Cleanup.  */

+  ASSERT (rmdir (BASE "dir") == 0);

   ASSERT (unlink (BASE "link") == 0);
   return 0;
 }
   ASSERT (unlink (BASE "link") == 0);
   return 0;
 }