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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_stringbuf/pbackfail/wchar_t/2.cc
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1 // 2004-10-01 Paolo Carlini <pcarlini@suse.de>
3 // Copyright (C) 2004 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // 27.7.1.3 Overridden virtual functions [lib.stringbuf.virtuals]
24 #include <testsuite_hooks.h>
26 class my_stringbuf
: public std::wstringbuf
29 my_stringbuf(const std::wstring
& str
, std::ios_base::openmode mode
)
30 : std::wstringbuf(str
, mode
) { }
33 pub_pbackfail(int_type __c
)
34 { return this->pbackfail(__c
); }
37 // We weren't enforcing 27.7.1.3/2, bullet 2: "... and if
38 // mode & ios_base::out is nonzero, ..."
41 bool test
__attribute__((unused
)) = true;
44 typedef my_stringbuf::int_type int_type
;
45 typedef my_stringbuf::traits_type traits_type
;
47 my_stringbuf
sbuf(L
"any", ios_base::in
);
49 int_type c
= sbuf
.sbumpc();
52 c
= sbuf
.pub_pbackfail(L
'x');
53 VERIFY( c
== traits_type::eof() );
54 VERIFY( sbuf
.str() == L
"any" );