/* 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.  */

#include <config.h>

#include <string.h>

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

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

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

  {
    const char string[] = "paragraph";
    ASSERT (mbspcasecmp (string, "Paragraph") == string + 9);
  }

  {
    const char string[] = "paragrapH";
    ASSERT (mbspcasecmp (string, "parAgRaph") == string + 9);
  }

  {
    const char string[] = "paragraph";
    ASSERT (mbspcasecmp (string, "paraLyzed") == NULL);
  }

  {
    const char string[] = "paraLyzed";
    ASSERT (mbspcasecmp (string, "paragraph") == NULL);
  }

  {
    const char string[] = "para";
    ASSERT (mbspcasecmp (string, "paragraph") == NULL);
  }

  {
    const char string[] = "paragraph";
    ASSERT (mbspcasecmp (string, "para") == string + 4);
  }

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

  {
    const char string[] = "\303\266zg\303\274rt\303\274k"; /* özgürtük */
    ASSERT (mbspcasecmp (string, "\303\226ZG\303\234R") == string + 7); /* özgür */
  }

  {
    const char string[] = "\303\226ZG\303\234Rt\303\274k"; /* özgürtük */
    ASSERT (mbspcasecmp (string, "\303\266zg\303\274r") == string + 7); /* özgür */
  }

  /* This test shows how strings of different size can compare equal.  */

  {
    const char string[] = "turkishtime";
    ASSERT (mbspcasecmp (string, "TURK\304\260SH") == string + 7);
  }

  {
    const char string[] = "TURK\304\260SHK\303\234LT\303\234R";
    ASSERT (mbspcasecmp (string, "turkish") == string + 8);
  }

  return 0;
}