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// Copyright (C) 2005 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library 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 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 General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

// 22.2.1.3.2 ctype<char> members

#include <locale>

#include <testsuite_hooks.h>

class Ctype1

: public std::ctype<char>

{

protected:

  const char*

  do_narrow(const char* lo, const char* hi,

            char, char* to) const

  {

    for (int i = 0; lo != hi; ++lo, ++to, ++i)

      *to = *lo + i;

    return hi;

  }

};

class Ctype2

: public std::ctype<char>

{

protected:

  const char*

  do_narrow(const char* lo, const char* hi,

            char dflt, char* to) const

  {

    for (int i = 0; lo != hi; ++lo, ++to, ++i)

      if (*lo == '\000')

        *to = dflt;

      else

        *to = *lo;

    return hi;

  }

};

// libstdc++/19955

void test01()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  const char src[] = "abcd";

  locale mylocale1(locale::classic(), new Ctype1);

  const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1);

  char dst1[sizeof(src)];

  memset(dst1, 0, sizeof(src));

  char dst2[sizeof(src)];

  memset(dst2, 0, sizeof(src));

  mc1.narrow(src, src + sizeof(src), '*', dst1);

  mc1.narrow(src, src + sizeof(src), '*', dst2);

  VERIFY( !memcmp(dst1, "aceg\004", 5) );

  VERIFY( !memcmp(dst1, dst2, 5) );

  locale mylocale2(locale::classic(), new Ctype2);

  const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2);

  char dst3[sizeof(src)];

  memset(dst3, 0, sizeof(src));

  char dst4[sizeof(src)];

  memset(dst4, 0, sizeof(src));

  mc2.narrow(src, src + sizeof(src), '*', dst3);

  mc2.narrow(src, src + sizeof(src), '*', dst4);

  VERIFY( !memcmp(dst3, "abcd*", 5) );

  VERIFY( !memcmp(dst3, dst4, 5) );

}

int main()

{

  test01();

  return 0;

}