2 // Testing filebuf for the C++ library testsuite.
4 // Copyright (C) 2003 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 #ifndef _GLIBCPP_TESTSUITE_IO_H
32 #define _GLIBCPP_TESTSUITE_IO_H
36 namespace __gnu_cxx_test
38 // Used to verify the constraints/requirements on get and put areas
40 // 27.5.1 - Stream buffer requirements: get and put areas
41 // 27.8.1.1 - Template class basic_filebuf p 3
42 // If the file is not open (ios_base::in) -> input seq. cannot be read
43 // If the file is not open (ios_base::out) -> output seq. cannot be written
44 // Joint file position
45 // 27.8.1.4 - Overridden virtual functions p9
46 // If unbuffered, pbase == pptr == NULL
47 class constraint_filebuf
: public std::filebuf
53 bool two
= this->pptr() != NULL
;
54 bool one
= this->pptr() < this->epptr();
61 bool one
= this->gptr() != NULL
;
62 bool two
= this->gptr() < this->egptr();
70 bool one
= this->pbase() == NULL
;
71 bool two
= this->pptr() == NULL
;
76 }; // namespace __gnu_cxx_test
78 #endif // _GLIBCPP_TESTSUITE_IO_H