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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001-2018 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
// { dg-require-fileio "" }
#include <fstream>
#include <testsuite_hooks.h>
class testbuf : public std::filebuf
{
public:
// Typedefs:
typedef std::filebuf base_type;
typedef base_type::traits_type traits_type;
typedef base_type::char_type char_type;
testbuf(): base_type()
{ _M_mode = (std::ios_base::in | std::ios_base::out); }
bool
check_pointers()
{
bool test = true;
test = (!this->pbase());
test &= (!this->pptr());
return test;
}
};
const char name_01[] = "filebuf_virtuals-1.txt";
// Test overloaded virtual functions.
void test05()
{
using namespace std;
typedef std::filebuf::int_type int_type;
typedef std::filebuf::traits_type traits_type;
typedef std::filebuf::pos_type pos_type;
typedef std::filebuf::off_type off_type;
typedef size_t size_type;
{
testbuf f_tmp;
// setbuf
// pubsetbuf(char_type* s, streamsize n)
f_tmp.pubsetbuf(0,0);
VERIFY( f_tmp.check_pointers() );
}
{
testbuf f_tmp;
f_tmp.open(name_01, ios_base::out | ios_base::in);
f_tmp.sbumpc();
// setbuf
// pubsetbuf(char_type* s, streamsize n)
f_tmp.pubsetbuf(0, 0);
VERIFY( f_tmp.check_pointers() );
}
}
int main()
{
test05();
return 0;
}
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