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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_streambuf/] [sgetc/] [char/] [1.cc] - Rev 19

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// 1999-10-11 bkoz
 
// Copyright (C) 1999, 2000, 2001, 2002, 2003 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 <streambuf>
#include <testsuite_hooks.h>
 
class testbuf : public std::streambuf
{
public:
 
  // Typedefs:
  typedef std::streambuf::traits_type traits_type;
  typedef std::streambuf::char_type char_type;
 
  testbuf(): std::streambuf() 
  { }
 
  bool
  check_pointers()
  { 
    bool test __attribute__((unused)) = true;
    VERIFY( this->eback() == NULL );
    VERIFY( this->gptr() == NULL );
    VERIFY( this->egptr() == NULL );
    VERIFY( this->pbase() == NULL );
    VERIFY( this->pptr() == NULL );
    VERIFY( this->epptr() == NULL );
    return test;
  }
 
  int_type 
  pub_uflow() 
  { return (this->uflow()); }
 
  int_type 
  pub_overflow(int_type __c = traits_type::eof()) 
  { return (this->overflow(__c)); }
 
  int_type 
  pub_pbackfail(int_type __c) 
  { return (this->pbackfail(__c)); }
 
  void 
  pub_setg(char* beg, char* cur, char *end) 
  { this->setg(beg, cur, end); }
 
  void 
  pub_setp(char* beg, char* end) 
  { this->setp(beg, end); }
 
protected:
  int_type 
  underflow() 
  { 
    int_type __retval = traits_type::eof();
    if (this->gptr() < this->egptr())
      __retval = traits_type::not_eof(0); 
    return __retval;
  }
};
 
void test01()
{
  typedef testbuf::traits_type traits_type;
  typedef testbuf::int_type int_type;
 
  bool test __attribute__((unused)) = true;
  char lit01[52];
  strcpy(lit01, "chicago underground trio/possible cube on delmark");
  testbuf buf01;
 
  // 27.5.2.3.1 get area
  // 27.5.2.2.3 get area
  // 27.5.2.4.3 get area
  int i01 = 3;
  buf01.pub_setg(lit01, lit01, (lit01 + i01));
  VERIFY( i01 == buf01.in_avail() );
 
  VERIFY( buf01.pub_uflow() == lit01[0] );
  VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[1]) );
  VERIFY( buf01.pub_uflow() == lit01[1] );
  VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[2]) );
  VERIFY( buf01.pub_uflow() == lit01[2] );
  VERIFY( buf01.sgetc() == traits_type::eof() );
}
 
int main() 
{
  test01();
  return 0;
}
 

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