/* Russian regular expression tests.

   Copyright (C) 2009-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Paolo Bonzini <pbonzini@redhat.com>, 2009.

   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+0413	\xd0\x93	CYRILLIC CAPITAL LETTER GHE

     U+0420	\xd0\xa0        CYRILLIC CAPITAL LETTER ER

     U+0430	\xd0\xb0	CYRILLIC SMALL LETTER A

     U+0433	\xd0\xb3	CYRILLIC SMALL LETTER GHE

     U+0440	\xd1\x80	CYRILLIC SMALL LETTER ER

     U+044F	\xd1\x8f	CYRILLIC SMALL LETTER YA */

  { "[\xd0\xb0-\xd1\x8f]", "\xd0\xb3", 0, 1,

    { { 0, 2 } } },

  { "[\xd0\xb0-\xd1\x8f]", "\xd0\x93", REG_ICASE, 1,

    { { 0, 2 } } },

  { "[\xd1\x80-\xd1\x8f]", "\xd0\xa0", REG_ICASE, 1,

    { { 0, 2 } } },

};

static int

do_test (void)

{

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

    {

      puts ("setlocale failed");

      return 1;

    }

  int ret = 0;

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

    {

      regex_t re;

      regmatch_t rm[5];

      int 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"