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// 1999-10-11 bkoz

// Copyright (C) 1999, 2000, 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.

// 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.

// 27.5.2 template class basic_streambuf

#include <sstream>

#include <ostream>

#include <testsuite_hooks.h>

// test03

// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html

template<typename charT, typename traits = std::char_traits<charT> >

  class basic_nullbuf : public std::basic_stringbuf<charT, traits>

  {

  protected:

    typedef typename

      std::basic_stringbuf<charT, traits>::int_type int_type;

    virtual int_type

    overflow(int_type c)

    {  return traits::not_eof(c); }

  };

typedef basic_nullbuf<wchar_t> nullbuf;

template<typename T>

  wchar_t

  print(const T& x)

  {

   nullbuf ob;

   std::wostream out(&ob);

   out << x << std::endl;

   return (!out ? L'0' : L'1');

 }

void test03()

{

  bool test __attribute__((unused)) = true;

  const std::wstring control01(L"11111");

  std::wstring test01;

  test01 += print(true);

  test01 += print(3.14159);

  test01 += print(10);

  test01 += print(L'x');

  test01 += print(L"pipo");

  VERIFY( test01 == control01 );

}

int main()

{

  test03();

  return 0;

}