1 // Copyright (C) 2004 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 2, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // 27.7.6 - Member functions [lib.stringstream.members]
22 #include <testsuite_hooks.h>
25 redirect_buffer(std::wios& stream, std::wstreambuf* new_buf)
26 { stream.rdbuf(new_buf); }
29 active_buffer(std::wios& stream)
30 { return stream.rdbuf(); }
35 bool test __attribute__((unused)) = true;
37 std::wstreambuf* pbasebuf0 = &sbuf;
39 std::wstringstream sstrm1;
40 // derived rdbuf() always returns original streambuf, even though
41 // it's no longer associated with the stream.
42 std::wstringbuf* const buf1 = sstrm1.rdbuf();
43 // base rdbuf() returns the currently associated streambuf
44 std::wstreambuf* pbasebuf1 = active_buffer(sstrm1);
45 redirect_buffer(sstrm1, &sbuf);
46 std::wstringbuf* const buf2 = sstrm1.rdbuf();
47 std::wstreambuf* pbasebuf2 = active_buffer(sstrm1);
48 VERIFY( buf1 == buf2 );
49 VERIFY( pbasebuf1 != pbasebuf2 );
50 VERIFY( pbasebuf2 == pbasebuf0 );
52 // How confusing and non-intuitive is this?
53 // These semantics are a joke, a serious defect, and incredibly lame.