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_move_constructible
12 
13 #include <type_traits>
14 #include "test_macros.h"
15 
16 template <class T>
test_is_trivially_move_constructible()17 void test_is_trivially_move_constructible()
18 {
19     static_assert( std::is_trivially_move_constructible<T>::value, "");
20 #if TEST_STD_VER > 14
21     static_assert( std::is_trivially_move_constructible_v<T>, "");
22 #endif
23 }
24 
25 template <class T>
test_has_not_trivial_move_constructor()26 void test_has_not_trivial_move_constructor()
27 {
28     static_assert(!std::is_trivially_move_constructible<T>::value, "");
29 #if TEST_STD_VER > 14
30     static_assert(!std::is_trivially_move_constructible_v<T>, "");
31 #endif
32 }
33 
34 class Empty
35 {
36 };
37 
38 class NotEmpty
39 {
40 public:
41     virtual ~NotEmpty();
42 };
43 
44 union Union {};
45 
46 struct bit_zero
47 {
48     int :  0;
49 };
50 
51 class Abstract
52 {
53 public:
54     virtual ~Abstract() = 0;
55 };
56 
57 struct A
58 {
59     A(const A&);
60 };
61 
62 #if TEST_STD_VER >= 11
63 
64 struct MoveOnly1
65 {
66     MoveOnly1(MoveOnly1&&);
67 };
68 
69 struct MoveOnly2
70 {
71     MoveOnly2(MoveOnly2&&) = default;
72 };
73 
74 #endif
75 
main(int,char **)76 int main(int, char**)
77 {
78     test_has_not_trivial_move_constructor<void>();
79     test_has_not_trivial_move_constructor<A>();
80     test_has_not_trivial_move_constructor<Abstract>();
81     test_has_not_trivial_move_constructor<NotEmpty>();
82 
83     test_is_trivially_move_constructible<Union>();
84     test_is_trivially_move_constructible<Empty>();
85     test_is_trivially_move_constructible<int>();
86     test_is_trivially_move_constructible<double>();
87     test_is_trivially_move_constructible<int*>();
88     test_is_trivially_move_constructible<const int*>();
89     test_is_trivially_move_constructible<bit_zero>();
90 
91 #if TEST_STD_VER >= 11
92     static_assert(!std::is_trivially_move_constructible<MoveOnly1>::value, "");
93     static_assert( std::is_trivially_move_constructible<MoveOnly2>::value, "");
94 #endif
95 
96   return 0;
97 }
98