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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/>.

#include <iostream>

#include <cstdio>

#include <cwchar>

#include <testsuite_hooks.h>

void

test01()

{

  std::freopen("cin_unget-1.txt", "r", stdin);

  wchar_t buf[2];

  VERIFY( std::wcin.rdbuf()->sgetn(buf, 2) == 2 );

  wint_t c1 = std::wcin.rdbuf()->sungetc();

  wint_t c2 = std::fgetwc(stdin);

  VERIFY( c1 == std::char_traits<wchar_t>::to_int_type(buf[1]) );

  VERIFY( c2 == c1 );

}

int main(void)

{

  test01();

  return 0;

}