1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3 // Copyright (C) 2001-2016 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 27 const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it 28 29 // libstdc++/9439, libstdc++/9425 30 // basic_filebuf<>::pbackfail calls basic_filebuf<>::seekoff, but 31 // fails to check the return value test09()32void test09() 33 { 34 using namespace std; 35 bool test __attribute__((unused)) = true; 36 37 filebuf fbuf; 38 fbuf.open(name_01, ios_base::in); 39 filebuf::int_type r = fbuf.sputbackc('a'); 40 fbuf.close(); 41 42 VERIFY( r == filebuf::traits_type::eof() ); 43 } 44 main()45int main() 46 { 47 test09(); 48 return 0; 49 } 50