1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // type_traits
11 
12 // is_trivially_copy_constructible
13 
14 #include <type_traits>
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 }
22 
23 template <class T>
test_has_not_trivial_copy_constructor()24 void test_has_not_trivial_copy_constructor()
25 {
26     static_assert(!std::is_trivially_copy_constructible<T>::value, "");
27     static_assert(!std::is_trivially_copy_constructible<const T>::value, "");
28 }
29 
30 class Empty
31 {
32 };
33 
34 class NotEmpty
35 {
36 public:
37     virtual ~NotEmpty();
38 };
39 
40 union Union {};
41 
42 struct bit_zero
43 {
44     int :  0;
45 };
46 
47 class Abstract
48 {
49 public:
50     virtual ~Abstract() = 0;
51 };
52 
53 struct A
54 {
55     A(const A&);
56 };
57 
main()58 int main()
59 {
60     test_has_not_trivial_copy_constructor<void>();
61     test_has_not_trivial_copy_constructor<A>();
62     test_has_not_trivial_copy_constructor<Abstract>();
63     test_has_not_trivial_copy_constructor<NotEmpty>();
64 
65     test_is_trivially_copy_constructible<int&>();
66     test_is_trivially_copy_constructible<Union>();
67     test_is_trivially_copy_constructible<Empty>();
68     test_is_trivially_copy_constructible<int>();
69     test_is_trivially_copy_constructible<double>();
70     test_is_trivially_copy_constructible<int*>();
71     test_is_trivially_copy_constructible<const int*>();
72     test_is_trivially_copy_constructible<bit_zero>();
73 }
74