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// Derived from libstdc++/12048 by LJR <ljrittle@acm.org> with

// reminder from Petur Runolfsson <peturr02@ru.is>.

// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 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 <testsuite_hooks.h>

void

test01()

{

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

  wchar_t c1;

  wchar_t c2;

  std::wcin.get(c1);

  std::wcin.unget();

  std::wcin.get(c2);

  VERIFY( std::wcin.good() );

  VERIFY( c1 == c2 );

}

int main(void)

{

  test01();

  return 0;

}