62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free
|
|
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
// USA.
|
|
|
|
// 27.5.2.2.3 Get area
|
|
|
|
// { dg-require-fileio "" }
|
|
|
|
#include <fstream>
|
|
#include <testsuite_hooks.h>
|
|
|
|
class Derived_fbuf : public std::filebuf
|
|
{
|
|
public:
|
|
const char_type* pub_egptr() const
|
|
{ return egptr(); }
|
|
|
|
const char_type* pub_gptr() const
|
|
{ return gptr(); }
|
|
};
|
|
|
|
// libstdc++/9701 (in_avail)
|
|
void test01()
|
|
{
|
|
using namespace std;
|
|
bool test __attribute__((unused)) = true;
|
|
const char* name = "tmp_file1";
|
|
|
|
Derived_fbuf df2;
|
|
df2.open(name, ios_base::in | ios_base::out | ios_base::trunc);
|
|
|
|
df2.sputn("Comomoc", 7);
|
|
|
|
df2.pubseekoff(0, ios_base::beg);
|
|
df2.sbumpc();
|
|
df2.sputbackc('t');
|
|
|
|
VERIFY( df2.pub_gptr() < df2.pub_egptr() );
|
|
VERIFY( df2.in_avail() == df2.pub_egptr() - df2.pub_gptr() );
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
return 0;
|
|
}
|