| // 1999-10-11 bkoz |
| |
| // Copyright (C) 1999, 2000, 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. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // 27.5.2 template class basic_streambuf |
| |
| #include <cstring> // for memset, memcmp |
| #include <streambuf> |
| #include <sstream> |
| #include <ostream> |
| #include <testsuite_hooks.h> |
| |
| // libstdc++/9424 |
| class Outbuf_2 : public std::streambuf |
| { |
| char buf[1]; |
| |
| public: |
| Outbuf_2() |
| { |
| setp(buf, buf + 1); |
| } |
| |
| int_type overflow(int_type c) |
| { |
| int_type eof = traits_type::eof(); |
| |
| if (pptr() < epptr()) |
| { |
| if (traits_type::eq_int_type(c, eof)) |
| return traits_type::not_eof(c); |
| |
| *pptr() = traits_type::to_char_type(c); |
| pbump(1); |
| return c; |
| } |
| |
| return eof; |
| } |
| }; |
| |
| class Inbuf_2 : public std::streambuf |
| { |
| static const char buf[]; |
| const char* current; |
| int size; |
| |
| public: |
| Inbuf_2() |
| { |
| current = buf; |
| size = std::strlen(buf); |
| } |
| |
| int_type underflow() |
| { |
| if (current < buf + size) |
| return traits_type::to_int_type(*current); |
| return traits_type::eof(); |
| } |
| |
| int_type uflow() |
| { |
| if (current < buf + size) |
| return traits_type::to_int_type(*current++); |
| return traits_type::eof(); |
| } |
| }; |
| |
| const char Inbuf_2::buf[] = "Atteivlis"; |
| |
| void test11() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| Inbuf_2 inbuf1; |
| std::istream is(&inbuf1); |
| Outbuf_2 outbuf1; |
| is >> &outbuf1; |
| VERIFY( inbuf1.sgetc() == 't' ); |
| VERIFY( is.good() ); |
| } |
| |
| int main() |
| { |
| test11(); |
| return 0; |
| } |