1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// has_virtual_destructor
#include <type_traits>
template <class T>
void test_has_virtual_destructor()
{
static_assert( std::has_virtual_destructor<T>::value, "");
static_assert( std::has_virtual_destructor<const T>::value, "");
static_assert( std::has_virtual_destructor<volatile T>::value, "");
static_assert( std::has_virtual_destructor<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::has_virtual_destructor_v<T>, "");
static_assert( std::has_virtual_destructor_v<const T>, "");
static_assert( std::has_virtual_destructor_v<volatile T>, "");
static_assert( std::has_virtual_destructor_v<const volatile T>, "");
#endif
}
template <class T>
void test_has_not_virtual_destructor()
{
static_assert(!std::has_virtual_destructor<T>::value, "");
static_assert(!std::has_virtual_destructor<const T>::value, "");
static_assert(!std::has_virtual_destructor<volatile T>::value, "");
static_assert(!std::has_virtual_destructor<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::has_virtual_destructor_v<T>, "");
static_assert(!std::has_virtual_destructor_v<const T>, "");
static_assert(!std::has_virtual_destructor_v<volatile T>, "");
static_assert(!std::has_virtual_destructor_v<const volatile T>, "");
#endif
}
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
struct A
{
~A();
};
int main()
{
test_has_not_virtual_destructor<void>();
test_has_not_virtual_destructor<A>();
test_has_not_virtual_destructor<int&>();
test_has_not_virtual_destructor<Union>();
test_has_not_virtual_destructor<Empty>();
test_has_not_virtual_destructor<int>();
test_has_not_virtual_destructor<double>();
test_has_not_virtual_destructor<int*>();
test_has_not_virtual_destructor<const int*>();
test_has_not_virtual_destructor<char[3]>();
test_has_not_virtual_destructor<char[]>();
test_has_not_virtual_destructor<bit_zero>();
test_has_virtual_destructor<Abstract>();
test_has_virtual_destructor<NotEmpty>();
}
|
