1 // 2003-06-10 Paolo Carlini <pcarlini@unitus.it>
3 // Copyright (C) 2003 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // 27.8.1.4 Overridden virtual functions
23 // { dg-require-fileio "" }
26 #include <testsuite_hooks.h>
28 const char name_08[] = "filebuf_virtuals-8.txt"; // empty file, need to create
30 class OverBuf : public std::filebuf
33 int_type pub_overflow(int_type c = traits_type::eof())
34 { return std::filebuf::overflow(c); }
37 // According to 27.5.2.4.5 filebuf::overflow() returns not_eof(eof()).
41 bool test __attribute__((unused)) = true;
42 typedef OverBuf::traits_type traits_type;
45 fb.open(name_08, ios_base::out | ios_base::trunc);
47 VERIFY( fb.pub_overflow() == traits_type::not_eof(traits_type::eof()) );