// 2003-06-25 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> void test01() { bool test __attribute__((unused)) = true; using namespace std; filebuf fb_out, fb_in_out; fb_out.open("tmp_underflow.tst", ios::out); fb_out.sputc('S'); fb_out.sputc('T'); fb_out.close(); fb_in_out.open("tmp_underflow.tst", ios::in | ios::out); while (fb_in_out.sbumpc() != filebuf::traits_type::eof()); VERIFY( fb_in_out.sputc('x') == 'x' ); fb_in_out.close(); } int main() { test01(); }