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// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>

// Copyright (C) 2003, 2009 Free Software Foundation

//

// 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 3, 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 COPYING3.  If not see

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

// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]

#include <locale>

#include <testsuite_hooks.h>

bool length_called = false;

class length_codecvt : public std::codecvt<char, char, std::mbstate_t>

{

  typedef std::codecvt<char, char, std::mbstate_t> c_codecvt;

public:

  // DR75: type of first argument of do_length is state_type&

  virtual int do_length(state_type& state, const extern_type* from,

                        const extern_type* end, std::size_t max) const

  {

    length_called = true;

    return c_codecvt::do_length(state, from, end, max);

  }

};

// Required instantiation, degenerate conversion.

// codecvt<char, char, mbstate_t>

//

// libstdc++/9224

void test02()

{

  using namespace std;

  typedef codecvt_base::result                  result;

  typedef codecvt<char, char, mbstate_t>        c_codecvt;

  bool test __attribute__((unused)) = true;

  const char*           c_lit = "black pearl jasmine tea";

  int                   size = 23;

  locale                loc (locale::classic(), new length_codecvt);

  c_codecvt::state_type state;

  const c_codecvt*      cvt = &use_facet<c_codecvt>(loc);

  length_called = false;

  cvt->length(state, c_lit, c_lit + size, 5);

  VERIFY( length_called );

}

int main ()

{

  test02();

  return 0;

}