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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// type_traits
// is_nothrow_destructible
// Prevent warning when testing the Abstract test type.
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wdelete-non-virtual-dtor"
#endif
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_nothrow_destructible()
{
static_assert( std::is_nothrow_destructible<T>::value, "");
static_assert( std::is_nothrow_destructible<const T>::value, "");
static_assert( std::is_nothrow_destructible<volatile T>::value, "");
static_assert( std::is_nothrow_destructible<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::is_nothrow_destructible_v<T>, "");
static_assert( std::is_nothrow_destructible_v<const T>, "");
static_assert( std::is_nothrow_destructible_v<volatile T>, "");
static_assert( std::is_nothrow_destructible_v<const volatile T>, "");
#endif
}
template <class T>
void test_is_not_nothrow_destructible()
{
static_assert(!std::is_nothrow_destructible<T>::value, "");
static_assert(!std::is_nothrow_destructible<const T>::value, "");
static_assert(!std::is_nothrow_destructible<volatile T>::value, "");
static_assert(!std::is_nothrow_destructible<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::is_nothrow_destructible_v<T>, "");
static_assert(!std::is_nothrow_destructible_v<const T>, "");
static_assert(!std::is_nothrow_destructible_v<volatile T>, "");
static_assert(!std::is_nothrow_destructible_v<const volatile T>, "");
#endif
}
struct PublicDestructor { public: ~PublicDestructor() {}};
struct ProtectedDestructor { protected: ~ProtectedDestructor() {}};
struct PrivateDestructor { private: ~PrivateDestructor() {}};
struct VirtualPublicDestructor { public: virtual ~VirtualPublicDestructor() {}};
struct VirtualProtectedDestructor { protected: virtual ~VirtualProtectedDestructor() {}};
struct VirtualPrivateDestructor { private: virtual ~VirtualPrivateDestructor() {}};
struct PurePublicDestructor { public: virtual ~PurePublicDestructor() = 0; };
struct PureProtectedDestructor { protected: virtual ~PureProtectedDestructor() = 0; };
struct PurePrivateDestructor { private: virtual ~PurePrivateDestructor() = 0; };
class Empty
{
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual void foo() = 0;
};
int main(int, char**)
{
test_is_not_nothrow_destructible<void>();
test_is_not_nothrow_destructible<char[]>();
test_is_not_nothrow_destructible<char[][3]>();
test_is_nothrow_destructible<int&>();
test_is_nothrow_destructible<int>();
test_is_nothrow_destructible<double>();
test_is_nothrow_destructible<int*>();
test_is_nothrow_destructible<const int*>();
test_is_nothrow_destructible<char[3]>();
#if TEST_STD_VER >= 11
// requires noexcept. These are all destructible.
test_is_nothrow_destructible<PublicDestructor>();
test_is_nothrow_destructible<VirtualPublicDestructor>();
test_is_nothrow_destructible<PurePublicDestructor>();
test_is_nothrow_destructible<bit_zero>();
test_is_nothrow_destructible<Abstract>();
test_is_nothrow_destructible<Empty>();
test_is_nothrow_destructible<Union>();
#endif
// requires access control
test_is_not_nothrow_destructible<ProtectedDestructor>();
test_is_not_nothrow_destructible<PrivateDestructor>();
test_is_not_nothrow_destructible<VirtualProtectedDestructor>();
test_is_not_nothrow_destructible<VirtualPrivateDestructor>();
test_is_not_nothrow_destructible<PureProtectedDestructor>();
test_is_not_nothrow_destructible<PurePrivateDestructor>();
return 0;
}
|
