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// 2004-10-01 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/>.
// 27.7.1.3 Overridden virtual functions [lib.stringbuf.virtuals]
#include <sstream>
#include <testsuite_hooks.h>
class my_stringbuf : public std::stringbuf
{
public:
my_stringbuf(const std::string& str, std::ios_base::openmode mode)
: std::stringbuf(str, mode) { }
int_type
pub_pbackfail(int_type c)
{ return this->pbackfail(c); }
};
void test01()
{
bool test __attribute__((unused)) = true;
using namespace std;
typedef my_stringbuf::int_type int_type;
typedef my_stringbuf::traits_type traits_type;
my_stringbuf sbuf("any", ios_base::in | ios_base::out);
int_type c = sbuf.sgetc();
VERIFY( c == 'a' );
c = sbuf.pub_pbackfail('z');
VERIFY( c == traits_type::eof() );
c = sbuf.sbumpc();
VERIFY( c == 'a' );
c = sbuf.pub_pbackfail('a');
VERIFY( c == 'a' );
c = sbuf.sbumpc();
VERIFY( c == 'a' );
c = sbuf.pub_pbackfail('x');
VERIFY( c == 'x' );
c = sbuf.sbumpc();
VERIFY( c == 'x' );
const int_type eof = traits_type::eof();
c = sbuf.pub_pbackfail(eof);
VERIFY( c == traits_type::not_eof(eof) );
c = sbuf.sgetc();
VERIFY( c == 'x' );
}
int main()
{
test01();
return 0;
}
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