1// 2003-06-02 Paolo Carlini <pcarlini@unitus.it> 2 3// Copyright (C) 2003, 2009 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 27.8.1.4 Overridden virtual functions 21 22// { dg-require-fileio "" } 23 24#include <fstream> 25#include <testsuite_hooks.h> 26 27const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it 28 29// libstdc++/9761 30void test01() 31{ 32 using namespace std; 33 bool test __attribute__((unused)) = true; 34 35 filebuf fbuf; 36 filebuf::int_type r1, r2; 37 38 fbuf.open(name_01, ios_base::in); 39 40 fbuf.sbumpc(); 41 fbuf.sbumpc(); 42 43 r1 = fbuf.sputbackc('a'); 44 r2 = fbuf.sputbackc('b'); 45 46 fbuf.close(); 47 48 VERIFY( r1 != filebuf::traits_type::eof() ); 49 VERIFY( r2 == filebuf::traits_type::eof() ); 50} 51 52int main() 53{ 54 test01(); 55 return 0; 56} 57