tests: avoid several compiler warnings * tests/test-getcwd.c (main): Avoid buffer underflow. * tests/test-getdate.c (main): String literals are not safe with putenv, so use setenv. Declare unused argument. * modules/getdate-tests (Depends-on): Add setenv. * tests/test-argv-iter.c (main): Declare unused argument. Avoid problems with string literals in char *. * tests/test-hash.c (main): Avoid shadowing declaration. (insert_new): Treat string literals as char const *. * tests/test-getopt.h (test_getopt): Likewise. (getopt_loop): Alter types to minimize casting elsewhere. * tests/test-getopt_long.h (test_getopt_long, getopt_long_loop) (test_getopt_long_posix): Likewise. (do_getopt_long): Add wrapper to minimize casting. * tests/test-atexit.c (clear_temp_file): Use void. * tests/test-areadlink-with-size.c (main): Declare unused arguments. * tests/test-areadlink.c (main): Likewise. * tests/test-areadlinkat-with-size.c (main): Likewise. * tests/test-areadlinkat.c (main): Likewise. * tests/test-canonicalize-lgpl.c (main): Likewise. * tests/test-canonicalize.c (main): Likewise. * tests/test-dirent-safer.c (main): Likewise. * tests/test-dirname.c (main): Likewise. * tests/test-dup2.c (main): Likewise. * tests/test-fchdir.c (main): Likewise. * tests/test-fcntl-h.c (main): Likewise. * tests/test-fcntl-safer.c (main): Likewise. * tests/test-fdopendir.c (main): Likewise. * tests/test-fdutimensat.c (main): Likewise. * tests/test-fflush.c (main): Likewise. * tests/test-filenamecat.c (main): Likewise. * tests/test-filevercmp.c (main): Likewise. * tests/test-fopen-safer.c (main): Likewise. * tests/test-fopen.c (main): Likewise. * tests/test-fpending.c (main): Likewise. * tests/test-fpurge.c (main): Likewise. * tests/test-freading.c (main): Likewise. * tests/test-fstatat.c (main): Likewise. * tests/test-fsync.c (main): Likewise. * tests/test-futimens.c (main): Likewise. * tests/test-getndelim2.c (main): Likewise. * tests/test-gettimeofday.c (main): Likewise. * tests/test-getopt.c (main): Likewise. * tests/test-i-ring.c (main): Likewise. * tests/test-inttypes.c (main): Likewise. * tests/test-link.c (main): Likewise. * tests/test-lstat.c (main): Likewise. * tests/test-math.c (main): Likewise. * tests/test-md5.c (main): Likewise. * tests/test-memchr2.c (main): Likewise. * tests/test-memrchr.c (main): Likewise. * tests/test-mkdir.c (main): Likewise. * tests/test-mkdirat.c (main): Likewise. * tests/test-mkfifoat.c (main): Likewise. * tests/test-open.c (main): Likewise. * tests/test-openat-safer.c (main): Likewise. * tests/test-openat.c (main): Likewise. * tests/test-quotearg.c (main): Likewise. * tests/test-rawmemchr.c (main): Likewise. * tests/test-readlink.c (main): Likewise. * tests/test-remove.c (main): Likewise. * tests/test-rename.c (main): Likewise. * tests/test-renameat.c (main): Likewise. * tests/test-rmdir.c (main): Likewise. * tests/test-sha1.c (main): Likewise. * tests/test-signal.c (main): Likewise. * tests/test-sigaction.c (main): Likewise. * tests/test-stat.c (main): Likewise. * tests/test-stat-time.c (main): Likewise. * tests/test-stddef.c (main): Likewise. * tests/test-stdint.c (main): Likewise. * tests/test-stdio.c (main): Likewise. * tests/test-stdlib.c (main): Likewise. * tests/test-strchrnul.c (main): Likewise. * tests/test-strerror.c (main): Likewise. * tests/test-string.c (main): Likewise. * tests/test-strtod.c (main): Likewise. * tests/test-strverscmp.c (main): Likewise. * tests/test-symlink.c (main): Likewise. * tests/test-symlinkat.c (main): Likewise. * tests/test-sys_stat.c (main): Likewise. * tests/test-sys_time.c (main): Likewise. * tests/test-time.c (main): Likewise. * tests/test-unistd.c (main): Likewise. * tests/test-unlink.c (main): Likewise. * tests/test-unlinkat.c (main): Likewise. * tests/test-utimens.c (main): Likewise. * tests/test-utimensat.c (main): Likewise. * tests/test-version-etc.c (main): Likewise. * tests/test-wchar.c (main): Likewise. * tests/test-wctype.c (main): Likewise. * tests/test-xprintf-posix.c (main): Likewise. * tests/test-posixtm.c (main): Likewise. (STREQ): Delete unused macro. * tests/test-linkat.c (main): Declare unused arguments. Avoid shadowed variables. * tests/test-memchr.c (main): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>

/* Test of strverscmp() function.
   Copyright (C) 2008, 2009 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, 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, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Written by Eric Blake <ebb9@byu.net>, 2008.  */

#include <config.h>

#include <string.h>

#include <stdio.h>
#include <stdlib.h>

#define ASSERT(expr) \
  do									     \
    {									     \
      if (!(expr))							     \
        {								     \
          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
          fflush (stderr);						     \
          abort ();							     \
        }								     \
    }									     \
  while (0)

int
main (void)
{
  ASSERT (strverscmp ("", "") == 0);
  ASSERT (strverscmp ("a", "a") == 0);
  ASSERT (strverscmp ("a", "b") < 0);
  ASSERT (strverscmp ("b", "a") > 0);
  ASSERT (strverscmp ("000", "00") < 0);
  ASSERT (strverscmp ("00", "000") > 0);
  ASSERT (strverscmp ("a0", "a") > 0);
  ASSERT (strverscmp ("00", "01") < 0);
  ASSERT (strverscmp ("01", "010") < 0);
  ASSERT (strverscmp ("010", "09") < 0);
  ASSERT (strverscmp ("09", "0") < 0);
  ASSERT (strverscmp ("9", "10") < 0);
  ASSERT (strverscmp ("0a", "0") > 0);
  return 0;
}