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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/24_iterators/move_iterator/lwg3390.cc
1 // Copyright (C) 2020 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 // { dg-options "-std=gnu++2a" }
19 // { dg-do compile { target c++2a } }
23 #include <testsuite_iterators.h>
25 using __gnu_test::test_range
;
26 using __gnu_test::input_iterator_wrapper
;
29 struct move_only_wrapper
: input_iterator_wrapper
<T
>
31 using input_iterator_wrapper
<T
>::input_iterator_wrapper
;
34 : input_iterator_wrapper
<T
>(nullptr, nullptr)
37 move_only_wrapper(const move_only_wrapper
&) = delete;
39 operator=(const move_only_wrapper
&) = delete;
41 move_only_wrapper(move_only_wrapper
&&) = default;
43 operator=(move_only_wrapper
&&) = default;
45 using input_iterator_wrapper
<T
>::operator++;
50 input_iterator_wrapper
<T
>::operator++();
55 static_assert(std::input_iterator
<move_only_wrapper
<int>>);
56 static_assert(!std::forward_iterator
<move_only_wrapper
<int>>);
57 static_assert(!std::copyable
<move_only_wrapper
<int>>);
64 test_range
<int, move_only_wrapper
> rx(x
);
65 auto it
= std::make_move_iterator(rx
.begin());