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
116
117
118
119
|
//===----------------------------------------------------------------------===//
//
// 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
// template <class T, class... Args>
// struct is_nothrow_constructible;
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_nothrow_constructible()
{
static_assert(( std::is_nothrow_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_nothrow_constructible_v<T>), "");
#endif
}
template <class T, class A0>
void test_is_nothrow_constructible()
{
static_assert(( std::is_nothrow_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_nothrow_constructible_v<T, A0>), "");
#endif
}
template <class T>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T>), "");
#endif
}
template <class T, class A0>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T, A0>), "");
#endif
}
template <class T, class A0, class A1>
void test_is_not_nothrow_constructible()
{
static_assert((!std::is_nothrow_constructible<T, A0, A1>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_nothrow_constructible_v<T, A0, A1>), "");
#endif
}
class Empty
{
};
class NotEmpty
{
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
struct A
{
A(const A&);
};
struct C
{
C(C&); // not const
void operator=(C&); // not const
};
#if TEST_STD_VER >= 11
struct Tuple {
Tuple(Empty&&) noexcept {}
};
#endif
int main(int, char**)
{
test_is_nothrow_constructible<int> ();
test_is_nothrow_constructible<int, const int&> ();
test_is_nothrow_constructible<Empty> ();
test_is_nothrow_constructible<Empty, const Empty&> ();
test_is_not_nothrow_constructible<A, int> ();
test_is_not_nothrow_constructible<A, int, double> ();
test_is_not_nothrow_constructible<A> ();
test_is_not_nothrow_constructible<C> ();
#if TEST_STD_VER >= 11
test_is_nothrow_constructible<Tuple &&, Empty> (); // See bug #19616.
static_assert(!std::is_constructible<Tuple&, Empty>::value, "");
test_is_not_nothrow_constructible<Tuple &, Empty> (); // See bug #19616.
#endif
return 0;
}
|
