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1 // Copyright (C) 2000-2013 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 3, 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 COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // 27.8.1.10 ofstream member functions
20 // @diff@ %-*.tst %-*.txt
24 #include <testsuite_hooks.h>
26 const char name_01
[] = "ofstream_members-1.tst";
29 redirect_buffer(std::ios
& stream
, std::streambuf
* new_buf
)
30 { stream
.rdbuf(new_buf
); }
33 active_buffer(std::ios
& stream
)
34 { return stream
.rdbuf(); }
39 bool test
__attribute__((unused
)) = true;
40 const char* strlit01
= "fuck war";
41 const std::string str00
;
42 const std::string
str01(strlit01
);
45 std::streambuf
* pbasebuf0
= &fbuf
;
48 // derived rdbuf() always returns original streambuf, even though
49 // it's no longer associated with the stream.
50 std::filebuf
* const buf1
= sstrm1
.rdbuf();
51 // base rdbuf() returns the currently associated streambuf
52 std::streambuf
* pbasebuf1
= active_buffer(sstrm1
);
53 redirect_buffer(sstrm1
, &fbuf
);
54 std::filebuf
* const buf2
= sstrm1
.rdbuf();
55 std::streambuf
* pbasebuf2
= active_buffer(sstrm1
);
56 VERIFY( buf1
== buf2
);
57 VERIFY( pbasebuf1
!= pbasebuf2
);
58 VERIFY( pbasebuf2
== pbasebuf0
);
60 // How confusing and non-intuitive is this?
61 // These semantics are a joke, a serious defect, and incredibly lame.