/* German regular expression tests.

   Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.

   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 <sys/types.h>

#include <mcheck.h>

#include <regex.h>

#include <stdio.h>

#include <stdlib.h>

#include <locale.h>

/* Tests supposed to match.  */

struct

{

  const char *pattern;

  const char *string;

  int flags, nmatch;

  regmatch_t rm[5];

} tests[] = {

  /* U+00C4	\xc3\x84	LATIN CAPITAL LETTER A WITH DIAERESIS

     U+00D6	\xc3\x96	LATIN CAPITAL LETTER O WITH DIAERESIS

     U+00E4	\xc3\xa4	LATIN SMALL LETTER A WITH DIAERESIS

     U+00F6	\xc3\xb6	LATIN SMALL LETTER O WITH DIAERESIS  */

  { "\xc3\x84\xc3\x96*\xc3\xb6$", "aB\xc3\xa4\xc3\xb6\xc3\xb6\xc3\x96", REG_ICASE, 2,

    { { 2, 10 }, { -1, -1 } } },

  { "[\xc3\x84x]\xc3\x96*\xc3\xb6$", "aB\xc3\x84\xc3\xb6\xc3\xb6\xc3\x96", REG_ICASE, 2,

    { { 2, 10 }, { -1, -1 } } },

  { "[\xc3\x84x]\xc3\x96*\xc3\xb6$", "aB\xc3\xa4\xc3\xb6\xc3\xb6\xc3\x96", REG_ICASE, 2,

    { { 2, 10 }, { -1, -1 } } },

  { "[^x]\xc3\x96*\xc3\xb6$", "aB\xc3\xa4\xc3\xb6\xc3\xb6\xc3\x96", REG_ICASE, 2,

    { { 2, 10 }, { -1, -1 } } },

  /* Tests for bug 9697:

     U+00DF	\xc3\x9f	LATIN SMALL LETTER SHARP S

     U+02DA	\xcb\x9a	RING ABOVE

     U+02E2	\xcb\xa2	MODIFIER LETTER SMALL S  */

  { "[a-z]|[^a-z]", "\xcb\xa2", REG_EXTENDED, 2,

    { { 0, 2 }, { -1, -1 } } },

  { "[a-z]", "\xc3\x9f", REG_EXTENDED, 2,

    { { 0, 2 }, { -1, -1 } } },

  { "[^a-z]", "\xcb\x9a", REG_EXTENDED, 2,

    { { 0, 2 }, { -1, -1 } } },

};

static int

do_test (void)

{

  regex_t re;

  regmatch_t rm[5];

  size_t i;

  int n, ret = 0;

  setlocale (LC_ALL, "de_DE.UTF-8");

  for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)

    {

      n = regcomp (&re, tests[i].pattern, tests[i].flags);

      if (n != 0)

	{

	  char buf[500];

	  regerror (n, &re, buf, sizeof (buf));

	  printf ("regcomp %zd failed: %s\n", i, buf);

	  ret = 1;

	  continue;

	}

      if (regexec (&re, tests[i].string, tests[i].nmatch, rm, 0))

	{

	  printf ("regexec %zd failed\n", i);

	  ret = 1;

	  regfree (&re);

	  continue;

	}

      for (n = 0; n < tests[i].nmatch; ++n)

	if (rm[n].rm_so != tests[i].rm[n].rm_so

              || rm[n].rm_eo != tests[i].rm[n].rm_eo)

	  {

	    if (tests[i].rm[n].rm_so == -1 && tests[i].rm[n].rm_eo == -1)

	      break;

	    printf ("regexec match failure rm[%d] %d..%d\n",

		    n, rm[n].rm_so, rm[n].rm_eo);

	    ret = 1;

	    break;

	  }

      regfree (&re);

    }

  return ret;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"