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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/memory/observer_ptr/assignment/assign.cc
1 // { dg-do run { target c++14 } }
3 // Copyright (C) 2015-2023 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 3, 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 COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 #include <experimental/memory>
21 #include <testsuite_hooks.h>
23 using std::experimental::observer_ptr
;
30 observer_ptr
<int> a
, b
;
39 observer_ptr
<int> b
{&x
};
48 observer_ptr
<const int> a
;
49 observer_ptr
<int> b
{&x
};
59 observer_ptr
<D
> b
{&x
};
65 constexpr bool test05_helper(observer_ptr
<const int> a
,
66 observer_ptr
<const int> b
)
69 return (a
.get() == b
.get());
74 static constexpr int x
{};
75 constexpr observer_ptr
<const int> a
;
76 constexpr observer_ptr
<const int> b
{&x
};
77 constexpr bool assigned
= test05_helper(a
, b
);