text: // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t
  
  // Copyright (C) 1997, 1998, 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.
  
  #include <sstream>
  #include <testsuite_hooks.h>
  
  std::wstring str_01(L"mykonos. . . or what?");
  std::wstring str_02(L"paris, or sainte-maxime?");
  std::wstring str_03;
  std::wstringbuf strb_01(str_01);
  std::wstringbuf strb_02(str_02, std::ios_base::in);
  std::wstringbuf strb_03(str_03, std::ios_base::out);
  
  // test overloaded virtual functions
  void test04() 
  {
    bool test __attribute__((unused)) = true;
    std::wstring 		str_tmp;
    std::streamsize 		strmsz_1, strmsz_2;
    typedef std::wstringbuf::int_type int_type;
    typedef std::wstringbuf::traits_type traits_type;
  
    // PUT
    strb_03.str(str_01); //reset
    std::wstring::size_type sz1 = strb_03.str().length();
    std::wstring::size_type sz2 = strb_03.str().length();
    
    // streamsize sputn(const char_type* s, streamsize n)
    // write up to n chars to out_cur from s, returning number assigned
    // NB *sputn will happily put '\0' into your stream if you give it a chance*
    str_tmp = strb_03.str();
    sz1 = str_tmp.length();
    strmsz_1 = strb_03.sputn(L"racadabras", 10);//"abracadabras or what?"
    sz2 = strb_03.str().length();
    VERIFY( sz1 == sz2 ); //shouldn't have changed length
    VERIFY( strmsz_1 == 10 );
    VERIFY( str_tmp != strb_03.str() );
    strmsz_2 = strb_03.sputn(L", i wanna reach out and", 23);
    VERIFY( strmsz_1 != strmsz_2 ); // should re-allocate, copy 10 chars.
    VERIFY( strmsz_1 == 10 );
    VERIFY( strmsz_2 == 23 );
    sz2 = strb_03.str().length();
    VERIFY( sz1 != sz2 ); // need to change length
    VERIFY( str_tmp != strb_03.str() );
    str_tmp = strb_02.str();
    strmsz_1 = strb_02.sputn(L"racadabra", 10);
    VERIFY( strmsz_1 == 0 );  
    VERIFY( str_tmp == strb_02.str() );
  }
  
  int main()
  {
    test04();
    return 0;
  }
  
  
  
  // more candy!!!
  