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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 27_io / objects / char / 9661-2_xin.cc

// 2003-04-30  Petur Runolfsson <peturr02@ru.is>

// Copyright (C) 2003-2019 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 3, 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 COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <testsuite_hooks.h>
#include <cstdio>
#include <iostream>

void test02()
{
  using namespace std;

  int c1 = fgetc(stdin);
  int c2 = cin.rdbuf()->sputbackc(c1);
  VERIFY( c2 == c1 );
  
  int c3 = fgetc(stdin);
  VERIFY( c3 == c1 );
  ungetc(c3, stdin);
  
  int c4 = cin.rdbuf()->sgetc();
  VERIFY( c4 == c3 );
}

int main()
{
  test02();
  return 0;
}