/* Test of case-insensitive string comparison function.
   Copyright (C) 2007 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, 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 Bruno Haible <bruno@clisp.org>, 2007.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <string.h>

#include <locale.h>
#include <stdlib.h>

#define ASSERT(expr) if (!(expr)) abort ();

int
main ()
{
  /* configure should already have checked that the locale is supported.  */
  if (setlocale (LC_ALL, "") == NULL)
    return 1;

  ASSERT (mbsncasecmp ("paragraph", "Paragraph", 1000000) == 0);
  ASSERT (mbsncasecmp ("paragraph", "Paragraph", 9) == 0);

  ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 1000000) == 0);
  ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 9) == 0);

  ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 10) < 0);
  ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 9) < 0);
  ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 5) < 0);
  ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 4) == 0);
  ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 10) > 0);
  ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 9) > 0);
  ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 5) > 0);
  ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 4) == 0);

  ASSERT (mbsncasecmp ("para", "paragraph", 10) < 0);
  ASSERT (mbsncasecmp ("para", "paragraph", 9) < 0);
  ASSERT (mbsncasecmp ("para", "paragraph", 5) < 0);
  ASSERT (mbsncasecmp ("para", "paragraph", 4) == 0);
  ASSERT (mbsncasecmp ("paragraph", "para", 10) > 0);
  ASSERT (mbsncasecmp ("paragraph", "para", 9) > 0);
  ASSERT (mbsncasecmp ("paragraph", "para", 5) > 0);
  ASSERT (mbsncasecmp ("paragraph", "para", 4) == 0);

  /* The following tests shows how mbsncasecmp() is different from
     strncasecmp().  */

  ASSERT (mbsncasecmp ("\303\266zg\303\274r", "\303\226ZG\303\234R", 99) == 0); /* özgür */
  ASSERT (mbsncasecmp ("\303\226ZG\303\234R", "\303\266zg\303\274r", 99) == 0); /* özgür */

  /* This test shows how strings of different size can compare equal.  */
  ASSERT (mbsncasecmp ("turkish", "TURK\304\260SH", 7) == 0);
  ASSERT (mbsncasecmp ("TURK\304\260SH", "turkish", 7) == 0);

  return 0;
}