File: is_trivially_destructible.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 (119 lines) | stat: -rw-r--r-- 4,149 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
119
//===----------------------------------------------------------------------===//
//
//                     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

// is_trivially_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_trivially_destructible()
{
    static_assert( std::is_trivially_destructible<T>::value, "");
    static_assert( std::is_trivially_destructible<const T>::value, "");
    static_assert( std::is_trivially_destructible<volatile T>::value, "");
    static_assert( std::is_trivially_destructible<const volatile T>::value, "");
#if TEST_STD_VER > 14
    static_assert( std::is_trivially_destructible_v<T>, "");
    static_assert( std::is_trivially_destructible_v<const T>, "");
    static_assert( std::is_trivially_destructible_v<volatile T>, "");
    static_assert( std::is_trivially_destructible_v<const volatile T>, "");
#endif
}

template <class T>
void test_is_not_trivially_destructible()
{
    static_assert(!std::is_trivially_destructible<T>::value, "");
    static_assert(!std::is_trivially_destructible<const T>::value, "");
    static_assert(!std::is_trivially_destructible<volatile T>::value, "");
    static_assert(!std::is_trivially_destructible<const volatile T>::value, "");
#if TEST_STD_VER > 14
    static_assert(!std::is_trivially_destructible_v<T>, "");
    static_assert(!std::is_trivially_destructible_v<const T>, "");
    static_assert(!std::is_trivially_destructible_v<volatile T>, "");
    static_assert(!std::is_trivially_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;
};

class AbstractDestructor
{
    virtual ~AbstractDestructor() = 0;
};

struct A
{
    ~A();
};

int main()
{
    test_is_not_trivially_destructible<void>();
    test_is_not_trivially_destructible<A>();
    test_is_not_trivially_destructible<char[]>();
    test_is_not_trivially_destructible<VirtualPublicDestructor>();
    test_is_not_trivially_destructible<PurePublicDestructor>();

    test_is_trivially_destructible<Abstract>();
    test_is_trivially_destructible<Union>();
    test_is_trivially_destructible<Empty>();
    test_is_trivially_destructible<int&>();
    test_is_trivially_destructible<int>();
    test_is_trivially_destructible<double>();
    test_is_trivially_destructible<int*>();
    test_is_trivially_destructible<const int*>();
    test_is_trivially_destructible<char[3]>();
    test_is_trivially_destructible<bit_zero>();

#if TEST_STD_VER >= 11
    // requires access control sfinae
    test_is_not_trivially_destructible<ProtectedDestructor>();
    test_is_not_trivially_destructible<PrivateDestructor>();
    test_is_not_trivially_destructible<VirtualProtectedDestructor>();
    test_is_not_trivially_destructible<VirtualPrivateDestructor>();
    test_is_not_trivially_destructible<PureProtectedDestructor>();
    test_is_not_trivially_destructible<PurePrivateDestructor>();
#endif
}