1// 2003-06-02 Paolo Carlini <pcarlini@unitus.it> 2 3// Copyright (C) 2003 Free Software Foundation, Inc. 4// 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) 9// any later version. 10 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. 15 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, 19// USA. 20 21// 27.8.1.4 Overridden virtual functions 22 23#include <fstream> 24#include <testsuite_hooks.h> 25 26const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it 27 28// libstdc++/9761 29void test01() 30{ 31 using namespace std; 32 bool test __attribute__((unused)) = true; 33 34 filebuf fbuf; 35 filebuf::int_type r1, r2; 36 37 fbuf.open(name_01, ios_base::in); 38 39 fbuf.sbumpc(); 40 fbuf.sbumpc(); 41 42 r1 = fbuf.sputbackc('a'); 43 r2 = fbuf.sputbackc('b'); 44 45 fbuf.close(); 46 47 VERIFY( r1 != filebuf::traits_type::eof() ); 48 VERIFY( r2 == filebuf::traits_type::eof() ); 49} 50 51int main() 52{ 53 test01(); 54 return 0; 55} 56