/* Bug 18589: sort-test.sh fails at random.

   Copyright (C) 2015-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <stdio.h>

#include <string.h>

#include <locale.h>

/* An incorrect strcoll optimization resulted in incorrect

   results from strcoll for cs_CZ and da_DK.  */

int

test_cs_CZ (void)

{

  const char t1[] = "config";

  const char t2[] = "choose";

  if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)

    {

      perror ("setlocale");

      return 1;

    }

  /* In Czech the digraph ch sorts after c, therefore we expect

     config to sort before choose.  */

  int a = strcoll (t1, t2);

  int b = strcoll (t2, t1);

  printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);

  printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);

  if (a < 0 && b > 0)

    {

      puts ("PASS: config < choose");

      return 0;

    }

  else

    {

      puts ("FAIL: Wrong sorting in cs_CZ.UTF-8.");

      return 1;

    }

}

int

test_da_DK (void)

{

  const char t1[] = "AS";

  const char t2[] = "AA";

  if (setlocale (LC_ALL, "da_DK.ISO-8859-1") == NULL)

    {

      perror ("setlocale");

      return 1;

    }

  /* AA should be treated as the last letter of the Danish alphabet,

     hence sorting after AS.  */

  int a = strcoll (t1, t2);

  int b = strcoll (t2, t1);

  printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);

  printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);

  if (a < 0 && b > 0)

    {

      puts ("PASS: AS < AA");

      return 0;

    }

  else

    {

      puts ("FAIL: Wrong sorting in da_DK.ISO-8859-1");

      return 1;

    }

}

int

do_test (void)

{

  int err = 0;

  err |= test_cs_CZ ();

  err |= test_da_DK ();

  return err;

}

#include <support/test-driver.c>