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// 2004-06-20 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2004-2015 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/>.
// 27.6.1.3 unformatted input functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// { dg-require-fileio "" }
#include <istream>
#include <fstream>
#include <limits>
#include <testsuite_hooks.h>
// istream& ignore(streamsize n)
void
test01()
{
using namespace std;
bool test __attribute__((unused)) = true;
const char filename[] ="istream_unformatted-1.txt";
ios_base::iostate state1, state2;
ifstream ifstrm;
ifstrm.open(filename);
state1 = ifstrm.rdstate();
VERIFY( state1 == ios_base::goodbit );
VERIFY( ifstrm.peek() == '1' );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
state1 = ifstrm.rdstate();
ifstrm.ignore(1);
VERIFY( ifstrm.gcount() == 1 );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
VERIFY( ifstrm.peek() == '2' );
state1 = ifstrm.rdstate();
ifstrm.ignore(10);
VERIFY( ifstrm.gcount() == 10 );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
VERIFY( ifstrm.peek() == '1' );
state1 = ifstrm.rdstate();
ifstrm.ignore(100);
VERIFY( ifstrm.gcount() == 100 );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
VERIFY( ifstrm.peek() == '2' );
state1 = ifstrm.rdstate();
ifstrm.ignore(1000);
VERIFY( ifstrm.gcount() == 1000 );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
VERIFY( ifstrm.peek() == '1' );
state1 = ifstrm.rdstate();
ifstrm.ignore(10000);
VERIFY( ifstrm.gcount() == 10000 );
state2 = ifstrm.rdstate();
VERIFY( state1 == state2 );
VERIFY( ifstrm.peek() == '2' );
state1 = ifstrm.rdstate();
ifstrm.ignore(numeric_limits<streamsize>::max());
VERIFY( ifstrm.gcount() == 5389 );
state2 = ifstrm.rdstate();
VERIFY( state1 != state2 );
VERIFY( state2 == ios_base::eofbit );
}
int
main()
{
test01();
return 0;
}
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