| // 2004-10-01 Paolo Carlini <pcarlini@suse.de> |
| |
| // Copyright (C) 2004 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. |
| |
| // 27.7.1.3 Overridden virtual functions [lib.stringbuf.virtuals] |
| |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| class my_stringbuf : public std::stringbuf |
| { |
| public: |
| my_stringbuf(const std::string& str, std::ios_base::openmode mode) |
| : std::stringbuf(str, mode) { } |
| |
| int_type |
| pub_pbackfail(int_type __c) |
| { return this->pbackfail(__c); } |
| }; |
| |
| // We weren't enforcing 27.7.1.3/2, bullet 2: "... and if |
| // mode & ios_base::out is nonzero, ..." |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| using namespace std; |
| |
| typedef my_stringbuf::int_type int_type; |
| typedef my_stringbuf::traits_type traits_type; |
| |
| my_stringbuf sbuf("any", ios_base::in); |
| |
| int_type c = sbuf.sbumpc(); |
| VERIFY( c == 'a' ); |
| |
| c = sbuf.pub_pbackfail('x'); |
| VERIFY( c == traits_type::eof() ); |
| VERIFY( sbuf.str() == "any" ); |
| c = sbuf.sgetc(); |
| VERIFY( c == 'n' ); |
| } |
| |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |