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// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2002, 2003, 2004 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.

// 27.8.1.4 Overridden virtual functions

#include <fstream>

#include <locale>

#include <testsuite_hooks.h>

const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create

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

{

protected:

  std::codecvt_base::result

  do_out(mbstate_t&, const char* from, const char*,

         const char*& from_next, char* to, char*,

         char*& to_next) const

  {

    from_next = from;

    to_next = to;

    return std::codecvt<char, char, mbstate_t>::error;

  }

  virtual bool do_always_noconv() const throw()

  {

    return false;

  }

};

// libstdc++/9182

// basic_filebuf<>::sync and overflow do not write out any characters

// if codecvt<>::out returns error

void test13()

{

  using namespace std;

  bool test __attribute__((unused)) = true;

  locale loc =  locale::classic();

  loc = locale(loc, new errorcvt);

  filebuf fbuf1;

  fbuf1.pubimbue(loc);

  fbuf1.open(name_07, ios_base::out | ios_base::trunc);

  try

    {

      fbuf1.sputn("ison", 4);

      fbuf1.pubsync();

      VERIFY( false );

    }

  catch (std::exception&)

    {

    }

}

int main()

{

  test13();

  return 0;

}