1.cc

linux下编程用 编译软件

// 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;
  typedef std::wstringbuf::int_type int_type;
  typedef std::wstringbuf::traits_type traits_type;

  int_type c1 = strb_01.sbumpc();
  int_type c2 = strb_02.sbumpc();
  int_type c3 = strb_01.sbumpc();

  // PUT
  // int_type sputc(char_type c)
  // if out_cur not avail, return overflow. Else, stores c at out_cur,
  // increments out_cur, and returns c as int_type
  strb_03.str(str_01); //reset
  std::wstring::size_type sz1 = strb_03.str().length();
  c1 = strb_03.sputc(L'a'); 
  std::wstring::size_type sz2 = strb_03.str().length();
  VERIFY( sz1 == sz2 ); //cuz inserting at out_cur, which is at beg to start
  c2 = strb_03.sputc(L'b'); 
  VERIFY( c1 != c2 );
  VERIFY( strb_03.str() != str_01 );
  c3 = strb_02.sputc(L'a'); // should be EOF because this is read-only
  VERIFY( c3 == traits_type::eof() );
}

int main()
{
  test04();
  return 0;
}



// more candy!!!