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 // type_traits
10
11 // is_trivially_copy_constructible
12
13 #include <type_traits>
14 #include "test_macros.h"
15
16 template <class T>
test_is_trivially_copy_constructible()17 void test_is_trivially_copy_constructible()
18 {
19 static_assert( std::is_trivially_copy_constructible<T>::value, "");
20 static_assert( std::is_trivially_copy_constructible<const T>::value, "");
21 #if TEST_STD_VER > 14
22 static_assert( std::is_trivially_copy_constructible_v<T>, "");
23 static_assert( std::is_trivially_copy_constructible_v<const T>, "");
24 #endif
25 }
26
27 template <class T>
test_has_not_trivial_copy_constructor()28 void test_has_not_trivial_copy_constructor()
29 {
30 static_assert(!std::is_trivially_copy_constructible<T>::value, "");
31 static_assert(!std::is_trivially_copy_constructible<const T>::value, "");
32 #if TEST_STD_VER > 14
33 static_assert(!std::is_trivially_copy_constructible_v<T>, "");
34 static_assert(!std::is_trivially_copy_constructible_v<const T>, "");
35 #endif
36 }
37
38 class Empty
39 {
40 };
41
42 class NotEmpty
43 {
44 public:
45 virtual ~NotEmpty();
46 };
47
48 union Union {};
49
50 struct bit_zero
51 {
52 int : 0;
53 };
54
55 class Abstract
56 {
57 public:
58 virtual ~Abstract() = 0;
59 };
60
61 struct A
62 {
63 A(const A&);
64 };
65
main(int,char **)66 int main(int, char**)
67 {
68 test_has_not_trivial_copy_constructor<void>();
69 test_has_not_trivial_copy_constructor<A>();
70 test_has_not_trivial_copy_constructor<Abstract>();
71 test_has_not_trivial_copy_constructor<NotEmpty>();
72
73 test_is_trivially_copy_constructible<int&>();
74 test_is_trivially_copy_constructible<Union>();
75 test_is_trivially_copy_constructible<Empty>();
76 test_is_trivially_copy_constructible<int>();
77 test_is_trivially_copy_constructible<double>();
78 test_is_trivially_copy_constructible<int*>();
79 test_is_trivially_copy_constructible<const int*>();
80 test_is_trivially_copy_constructible<bit_zero>();
81
82 return 0;
83 }
84