| // 2003-06-25 Paolo Carlini <pcarlini@unitus.it> |
| |
| // Copyright (C) 2003-2014 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 3, 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 COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| // { dg-require-fileio "" } |
| |
| #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(); |
| } |
