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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/requirements/base_classes.cc
2 // { dg-require-effective-target hosted }
6 // Copyright (C) 1999-2022 Free Software Foundation, Inc.
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
23 // 24.5.3 template class istreambuf_iterator
27 #include <testsuite_hooks.h>
33 // Check for required base class.
34 typedef istreambuf_iterator
<char> test_iterator
;
35 typedef char_traits
<char>::off_type off_type
;
37 // This is the base class required since LWG 445, which differs from C++03.
38 // We derive from this unconditionally, then override 'reference' for C++03.
39 typedef iterator
<input_iterator_tag
, char, off_type
, char*, char> // { dg-warning "is deprecated" "" { target c++17 } }
42 istringstream
isstream("this tag");
43 test_iterator
r_it(isstream
);
44 base_iterator
* base
__attribute__((unused
)) = &r_it
;