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// Copyright (C) 2003, 2009 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/>.
// { dg-require-fileio "" }
#include <iostream>
#include <cstdio>
#include <testsuite_hooks.h>
void
test01()
{
VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) );
char buf[2];
VERIFY( std::cin.rdbuf()->sgetn(buf, 2) == 2 );
int c1 = std::cin.rdbuf()->sungetc();
int c2 = std::fgetc(stdin);
VERIFY( c1 == std::char_traits<char>::to_int_type(buf[1]) );
VERIFY( c2 == c1 );
}
int main(void)
{
test01();
return 0;
}
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