// 2003-06-10 Paolo Carlini <pcarlini@unitus.it> // 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // 27.8.1.4 Overridden virtual functions #include <fstream> #include <testsuite_hooks.h> const char name_08[] = "filebuf_virtuals-8.txt"; // empty file, need to create class OverBuf : public std::filebuf { public: int_type pub_overflow(int_type c = traits_type::eof()) { return std::filebuf::overflow(c); } }; // According to 27.5.2.4.5 filebuf::overflow() returns not_eof(eof()). void test01() { using namespace std; bool test __attribute__((unused)) = true; typedef OverBuf::traits_type traits_type; OverBuf fb; fb.pubsetbuf(0, 0); fb.open(name_08, ios_base::out | ios_base::trunc); VERIFY( fb.pub_overflow() == traits_type::not_eof(traits_type::eof()) ); fb.close(); } int main() { test01(); return 0; }