1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11// template<class T>
12// concept copyable = see below;
13
14#include <concepts>
15
16#include <deque>
17#include <forward_list>
18#include <list>
19#include <map>
20#include <memory>
21#include <optional>
22#include <unordered_map>
23#include <vector>
24
25#include "type_classification/copyable.h"
26
27static_assert(std::copyable<int>);
28static_assert(std::copyable<int volatile>);
29static_assert(std::copyable<int*>);
30static_assert(std::copyable<int const*>);
31static_assert(std::copyable<int volatile*>);
32static_assert(std::copyable<int volatile const*>);
33static_assert(std::copyable<int (*)()>);
34
35struct S {};
36static_assert(std::copyable<S>);
37static_assert(std::copyable<int S::*>);
38static_assert(std::copyable<int (S::*)()>);
39static_assert(std::copyable<int (S::*)() noexcept>);
40static_assert(std::copyable<int (S::*)() &>);
41static_assert(std::copyable<int (S::*)() & noexcept>);
42static_assert(std::copyable<int (S::*)() &&>);
43static_assert(std::copyable<int (S::*)() && noexcept>);
44static_assert(std::copyable<int (S::*)() const>);
45static_assert(std::copyable<int (S::*)() const noexcept>);
46static_assert(std::copyable<int (S::*)() const&>);
47static_assert(std::copyable<int (S::*)() const & noexcept>);
48static_assert(std::copyable<int (S::*)() const&&>);
49static_assert(std::copyable<int (S::*)() const && noexcept>);
50static_assert(std::copyable<int (S::*)() volatile>);
51static_assert(std::copyable<int (S::*)() volatile noexcept>);
52static_assert(std::copyable<int (S::*)() volatile&>);
53static_assert(std::copyable<int (S::*)() volatile & noexcept>);
54static_assert(std::copyable<int (S::*)() volatile&&>);
55static_assert(std::copyable<int (S::*)() volatile && noexcept>);
56static_assert(std::copyable<int (S::*)() const volatile>);
57static_assert(std::copyable<int (S::*)() const volatile noexcept>);
58static_assert(std::copyable<int (S::*)() const volatile&>);
59static_assert(std::copyable<int (S::*)() const volatile & noexcept>);
60static_assert(std::copyable<int (S::*)() const volatile&&>);
61static_assert(std::copyable<int (S::*)() const volatile && noexcept>);
62
63static_assert(std::copyable<std::vector<int> >);
64static_assert(std::copyable<std::deque<int> >);
65static_assert(std::copyable<std::forward_list<int> >);
66static_assert(std::copyable<std::list<int> >);
67static_assert(std::copyable<std::shared_ptr<std::unique_ptr<int> > >);
68static_assert(std::copyable<std::optional<std::vector<int> > >);
69static_assert(std::copyable<std::vector<int> >);
70static_assert(std::copyable<std::vector<std::unique_ptr<int> > >);
71
72static_assert(std::copyable<has_volatile_member>);
73static_assert(std::copyable<has_array_member>);
74
75// Not objects
76static_assert(!std::copyable<void>);
77static_assert(!std::copyable<int&>);
78static_assert(!std::copyable<int const&>);
79static_assert(!std::copyable<int volatile&>);
80static_assert(!std::copyable<int const volatile&>);
81static_assert(!std::copyable<int&&>);
82static_assert(!std::copyable<int const&&>);
83static_assert(!std::copyable<int volatile&&>);
84static_assert(!std::copyable<int const volatile&&>);
85static_assert(!std::copyable<int()>);
86static_assert(!std::copyable<int (&)()>);
87static_assert(!std::copyable<int[5]>);
88
89// Not copy constructible or copy assignable
90static_assert(!std::copyable<std::unique_ptr<int> >);
91
92// Not assignable
93static_assert(!std::copyable<int const>);
94static_assert(!std::copyable<int const volatile>);
95static_assert(std::copyable<const_copy_assignment const>);
96static_assert(!std::copyable<volatile_copy_assignment volatile>);
97static_assert(std::copyable<cv_copy_assignment const volatile>);
98
99static_assert(!std::copyable<no_copy_constructor>);
100static_assert(!std::copyable<no_copy_assignment>);
101
102static_assert(std::is_copy_assignable_v<no_copy_assignment_mutable>);
103static_assert(!std::copyable<no_copy_assignment_mutable>);
104static_assert(!std::copyable<derived_from_noncopyable>);
105static_assert(!std::copyable<has_noncopyable>);
106static_assert(!std::copyable<has_const_member>);
107static_assert(!std::copyable<has_cv_member>);
108static_assert(!std::copyable<has_lvalue_reference_member>);
109static_assert(!std::copyable<has_rvalue_reference_member>);
110static_assert(!std::copyable<has_function_ref_member>);
111
112static_assert(
113 !std::assignable_from<deleted_assignment_from_const_rvalue&,
114 deleted_assignment_from_const_rvalue const>);
115static_assert(!std::copyable<deleted_assignment_from_const_rvalue>);
116

source code of libcxx/test/std/concepts/concepts.object/copyable.compile.pass.cpp