| // 1999-10-11 bkoz |
| |
| // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005 |
| // 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // 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 <streambuf> |
| #include <testsuite_hooks.h> |
| |
| class testbuf : public std::streambuf |
| { |
| public: |
| |
| // Typedefs: |
| typedef std::streambuf::traits_type traits_type; |
| typedef std::streambuf::char_type char_type; |
| |
| testbuf(): std::streambuf() |
| { } |
| |
| bool |
| check_pointers() |
| { |
| bool test __attribute__((unused)) = true; |
| VERIFY( this->eback() == NULL ); |
| VERIFY( this->gptr() == NULL ); |
| VERIFY( this->egptr() == NULL ); |
| VERIFY( this->pbase() == NULL ); |
| VERIFY( this->pptr() == NULL ); |
| VERIFY( this->epptr() == NULL ); |
| return test; |
| } |
| |
| int_type |
| pub_uflow() |
| { return (this->uflow()); } |
| |
| int_type |
| pub_overflow(int_type __c = traits_type::eof()) |
| { return (this->overflow(__c)); } |
| |
| int_type |
| pub_pbackfail(int_type __c) |
| { return (this->pbackfail(__c)); } |
| |
| void |
| pub_setg(char* beg, char* cur, char *end) |
| { this->setg(beg, cur, end); } |
| |
| void |
| pub_setp(char* beg, char* end) |
| { this->setp(beg, end); } |
| |
| protected: |
| int_type |
| underflow() |
| { |
| int_type __retval = traits_type::eof(); |
| if (this->gptr() < this->egptr()) |
| __retval = traits_type::not_eof(0); |
| return __retval; |
| } |
| }; |
| |
| void test02() |
| { |
| typedef testbuf::traits_type traits_type; |
| typedef testbuf::int_type int_type; |
| |
| bool test __attribute__((unused)) = true; |
| |
| char lit01[] = "chicago underground trio/possible cube on delmark"; |
| size_t i01 = traits_type::length(lit01); |
| |
| testbuf buf01; |
| |
| // 27.5.2.1 basic_streambuf ctors |
| // default ctor initializes |
| // - all pointer members to null pointers |
| // - locale to current global locale |
| VERIFY( buf01.check_pointers() ); |
| VERIFY( buf01.getloc() == std::locale() ); |
| |
| // 27.5.2.2.5 Put area |
| |
| char carray01[i01]; |
| std::memset(carray01, 0, i01); |
| |
| buf01.pub_setg(lit01, lit01, lit01 + i01); |
| buf01.sgetn(carray01, 0); |
| VERIFY( carray01[0] == 0 ); |
| buf01.sgetn(carray01, 1); |
| VERIFY( carray01[0] == 'c' ); |
| buf01.sgetn(carray01 + 1, i01 - 1); |
| VERIFY( carray01[0] == 'c' ); |
| VERIFY( carray01[1] == 'h' ); |
| VERIFY( carray01[i01 - 1] == 'k' ); |
| } |
| |
| int main() |
| { |
| test02(); |
| return 0; |
| } |