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_assignable
13
14#include <type_traits>
15
16template <class T>
17void test_has_trivially_copy_assignable()
18{
19    static_assert( std::is_trivially_copy_assignable<T>::value, "");
20}
21
22template <class T>
23void test_has_not_trivially_copy_assignable()
24{
25    static_assert(!std::is_trivially_copy_assignable<T>::value, "");
26}
27
28class Empty
29{
30};
31
32class NotEmpty
33{
34    virtual ~NotEmpty();
35};
36
37union Union {};
38
39struct bit_zero
40{
41    int :  0;
42};
43
44class Abstract
45{
46    virtual ~Abstract() = 0;
47};
48
49struct A
50{
51    A& operator=(const A&);
52};
53
54int main()
55{
56    test_has_trivially_copy_assignable<int&>();
57    test_has_trivially_copy_assignable<Union>();
58    test_has_trivially_copy_assignable<Empty>();
59    test_has_trivially_copy_assignable<int>();
60    test_has_trivially_copy_assignable<double>();
61    test_has_trivially_copy_assignable<int*>();
62    test_has_trivially_copy_assignable<const int*>();
63    test_has_trivially_copy_assignable<bit_zero>();
64
65    test_has_not_trivially_copy_assignable<void>();
66    test_has_not_trivially_copy_assignable<A>();
67    test_has_not_trivially_copy_assignable<NotEmpty>();
68    test_has_not_trivially_copy_assignable<Abstract>();
69    test_has_not_trivially_copy_assignable<const Empty>();
70
71}
72