1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // type_traits
10
11 // is_member_object_pointer
12
13 #include <type_traits>
14 #include <cstddef> // for std::nullptr_t
15 #include "test_macros.h"
16
17 template <class T>
test_is_member_object_pointer()18 void test_is_member_object_pointer()
19 {
20 static_assert( std::is_member_object_pointer<T>::value, "");
21 static_assert( std::is_member_object_pointer<const T>::value, "");
22 static_assert( std::is_member_object_pointer<volatile T>::value, "");
23 static_assert( std::is_member_object_pointer<const volatile T>::value, "");
24 #if TEST_STD_VER > 14
25 static_assert( std::is_member_object_pointer_v<T>, "");
26 static_assert( std::is_member_object_pointer_v<const T>, "");
27 static_assert( std::is_member_object_pointer_v<volatile T>, "");
28 static_assert( std::is_member_object_pointer_v<const volatile T>, "");
29 #endif
30 }
31
32 template <class T>
test_is_not_member_object_pointer()33 void test_is_not_member_object_pointer()
34 {
35 static_assert(!std::is_member_object_pointer<T>::value, "");
36 static_assert(!std::is_member_object_pointer<const T>::value, "");
37 static_assert(!std::is_member_object_pointer<volatile T>::value, "");
38 static_assert(!std::is_member_object_pointer<const volatile T>::value, "");
39 #if TEST_STD_VER > 14
40 static_assert(!std::is_member_object_pointer_v<T>, "");
41 static_assert(!std::is_member_object_pointer_v<const T>, "");
42 static_assert(!std::is_member_object_pointer_v<volatile T>, "");
43 static_assert(!std::is_member_object_pointer_v<const volatile T>, "");
44 #endif
45 }
46
47 class Empty
48 {
49 };
50
51 class NotEmpty
52 {
53 virtual ~NotEmpty();
54 };
55
56 union Union {};
57
58 struct bit_zero
59 {
60 int : 0;
61 };
62
63 class Abstract
64 {
65 virtual ~Abstract() = 0;
66 };
67
68 enum Enum {zero, one};
69 struct incomplete_type;
70
71 typedef void (*FunctionPtr)();
72
73
main(int,char **)74 int main(int, char**)
75 {
76 test_is_member_object_pointer<int Abstract::*>();
77 test_is_member_object_pointer<double NotEmpty::*>();
78 test_is_member_object_pointer<FunctionPtr Empty::*>();
79
80 test_is_not_member_object_pointer<std::nullptr_t>();
81 test_is_not_member_object_pointer<void>();
82 test_is_not_member_object_pointer<int>();
83 test_is_not_member_object_pointer<int&>();
84 test_is_not_member_object_pointer<int&&>();
85 test_is_not_member_object_pointer<int*>();
86 test_is_not_member_object_pointer<double>();
87 test_is_not_member_object_pointer<const int*>();
88 test_is_not_member_object_pointer<char[3]>();
89 test_is_not_member_object_pointer<char[]>();
90 test_is_not_member_object_pointer<Union>();
91 test_is_not_member_object_pointer<Enum>();
92 test_is_not_member_object_pointer<FunctionPtr>();
93 test_is_not_member_object_pointer<Empty>();
94 test_is_not_member_object_pointer<bit_zero>();
95 test_is_not_member_object_pointer<NotEmpty>();
96 test_is_not_member_object_pointer<Abstract>();
97 test_is_not_member_object_pointer<incomplete_type>();
98
99 return 0;
100 }
101