File: is_nothrow_constructible.pass.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (118 lines) | stat: -rw-r--r-- 2,701 bytes parent folder | download | duplicates (3)
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
//===----------------------------------------------------------------------===//
//
//                     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

// 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()
{
    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
}