| // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
| |
| // Copyright (C) 2001, 2002, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| |
| class testbuf : public std::filebuf |
| { |
| public: |
| |
| // Typedefs: |
| typedef std::filebuf base_type; |
| typedef base_type::traits_type traits_type; |
| typedef base_type::char_type char_type; |
| |
| testbuf(): base_type() |
| { _M_mode = (std::ios_base::in | std::ios_base::out); } |
| |
| bool |
| check_pointers() |
| { |
| bool test __attribute__((unused)) = true; |
| test = (this->pbase() == NULL); |
| test &= (this->pptr() == NULL); |
| return test; |
| } |
| }; |
| |
| const char name_01[] = "filebuf_virtuals-1.txt"; |
| |
| // Test overloaded virtual functions. |
| void test05() |
| { |
| using namespace std; |
| typedef std::filebuf::int_type int_type; |
| typedef std::filebuf::traits_type traits_type; |
| typedef std::filebuf::pos_type pos_type; |
| typedef std::filebuf::off_type off_type; |
| typedef size_t size_type; |
| |
| bool test __attribute__((unused)) = true; |
| |
| { |
| testbuf f_tmp; |
| |
| // setbuf |
| // pubsetbuf(char_type* s, streamsize n) |
| f_tmp.pubsetbuf(0,0); |
| VERIFY( f_tmp.check_pointers() ); |
| } |
| |
| { |
| testbuf f_tmp; |
| |
| f_tmp.open(name_01, ios_base::out | ios_base::in); |
| f_tmp.sbumpc(); |
| |
| // setbuf |
| // pubsetbuf(char_type* s, streamsize n) |
| f_tmp.pubsetbuf(0, 0); |
| VERIFY( f_tmp.check_pointers() ); |
| } |
| } |
| |
| int main() |
| { |
| test05(); |
| return 0; |
| } |