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// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2002, 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/>.

// 27.8.1.4 Overridden virtual functions

#include <fstream>

#include <testsuite_hooks.h>

#include <testsuite_io.h>

// @require@ %-*.tst %-*.txt

// @diff@ %-*.tst %*.txt

const char name_02[] = "tmp_snextc_2out.tst"; // empty file, need to create

void test05()

{

  using namespace std;

  using namespace __gnu_test;

  typedef filebuf::int_type     int_type;

  typedef filebuf::traits_type  traits_type;

  bool test __attribute__((unused)) = true;

  int_type                      c2;

  // int_type snextc()

  // calls sbumpc and if sbumpc != eof, return sgetc

  // out

  {

    constraint_filebuf fb_02;

    fb_02.pubsetbuf(0, 0);

    fb_02.open(name_02, ios_base::out | ios_base::trunc);

    VERIFY( fb_02.unbuffered() );

    c2 = fb_02.snextc();

    VERIFY( c2 == traits_type::eof() );

    c2 = fb_02.snextc();

    VERIFY( c2 == traits_type::eof() );

    VERIFY( fb_02.unbuffered() );

 }

}

int main()

{

  test05();

  return 0;

}