1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// type_traits
11
12// member_function_pointer
13
14#include <type_traits>
15#include "test_macros.h"
16
17template <class T>
18void test_member_function_pointer_imp()
19{
20    static_assert(!std::is_void<T>::value, "");
21#if TEST_STD_VER > 11
22    static_assert(!std::is_null_pointer<T>::value, "");
23#endif
24    static_assert(!std::is_integral<T>::value, "");
25    static_assert(!std::is_floating_point<T>::value, "");
26    static_assert(!std::is_array<T>::value, "");
27    static_assert(!std::is_pointer<T>::value, "");
28    static_assert(!std::is_lvalue_reference<T>::value, "");
29    static_assert(!std::is_rvalue_reference<T>::value, "");
30    static_assert(!std::is_member_object_pointer<T>::value, "");
31    static_assert( std::is_member_function_pointer<T>::value, "");
32    static_assert(!std::is_enum<T>::value, "");
33    static_assert(!std::is_union<T>::value, "");
34    static_assert(!std::is_class<T>::value, "");
35    static_assert(!std::is_function<T>::value, "");
36}
37
38template <class T>
39void test_member_function_pointer()
40{
41    test_member_function_pointer_imp<T>();
42    test_member_function_pointer_imp<const T>();
43    test_member_function_pointer_imp<volatile T>();
44    test_member_function_pointer_imp<const volatile T>();
45}
46
47class Class
48{
49};
50
51int main()
52{
53    test_member_function_pointer<void (Class::*)()>();
54    test_member_function_pointer<void (Class::*)(int)>();
55    test_member_function_pointer<void (Class::*)(int, char)>();
56
57    test_member_function_pointer<void (Class::*)() const>();
58    test_member_function_pointer<void (Class::*)(int) const>();
59    test_member_function_pointer<void (Class::*)(int, char) const>();
60
61    test_member_function_pointer<void (Class::*)() volatile>();
62    test_member_function_pointer<void (Class::*)(int) volatile>();
63    test_member_function_pointer<void (Class::*)(int, char) volatile>();
64
65    test_member_function_pointer<void (Class::*)(...)>();
66    test_member_function_pointer<void (Class::*)(int, ...)>();
67    test_member_function_pointer<void (Class::*)(int, char, ...)>();
68
69    test_member_function_pointer<void (Class::*)(...) const>();
70    test_member_function_pointer<void (Class::*)(int, ...) const>();
71    test_member_function_pointer<void (Class::*)(int, char, ...) const>();
72
73    test_member_function_pointer<void (Class::*)(...) volatile>();
74    test_member_function_pointer<void (Class::*)(int, ...) volatile>();
75    test_member_function_pointer<void (Class::*)(int, char, ...) volatile>();
76
77// reference qualifiers on functions are a C++11 extension
78#if TEST_STD_VER >= 11
79    test_member_function_pointer<void (Class::*)() &>();
80    test_member_function_pointer<void (Class::*)(int) &>();
81    test_member_function_pointer<void (Class::*)(int, char) &>();
82    test_member_function_pointer<void (Class::*)(...) &>();
83    test_member_function_pointer<void (Class::*)(int,...) &>();
84    test_member_function_pointer<void (Class::*)(int, char,...) &>();
85
86    test_member_function_pointer<void (Class::*)() const &>();
87    test_member_function_pointer<void (Class::*)(int) const &>();
88    test_member_function_pointer<void (Class::*)(int, char) const &>();
89    test_member_function_pointer<void (Class::*)(...) const &>();
90    test_member_function_pointer<void (Class::*)(int,...) const &>();
91    test_member_function_pointer<void (Class::*)(int, char,...) const &>();
92
93    test_member_function_pointer<void (Class::*)() volatile &>();
94    test_member_function_pointer<void (Class::*)(int) volatile &>();
95    test_member_function_pointer<void (Class::*)(int, char) volatile &>();
96    test_member_function_pointer<void (Class::*)(...) volatile &>();
97    test_member_function_pointer<void (Class::*)(int,...) volatile &>();
98    test_member_function_pointer<void (Class::*)(int, char,...) volatile &>();
99
100    test_member_function_pointer<void (Class::*)() const volatile &>();
101    test_member_function_pointer<void (Class::*)(int) const volatile &>();
102    test_member_function_pointer<void (Class::*)(int, char) const volatile &>();
103    test_member_function_pointer<void (Class::*)(...) const volatile &>();
104    test_member_function_pointer<void (Class::*)(int,...) const volatile &>();
105    test_member_function_pointer<void (Class::*)(int, char,...) const volatile &>();
106
107    // RValue qualifiers
108    test_member_function_pointer<void (Class::*)() &&>();
109    test_member_function_pointer<void (Class::*)(int) &&>();
110    test_member_function_pointer<void (Class::*)(int, char) &&>();
111    test_member_function_pointer<void (Class::*)(...) &&>();
112    test_member_function_pointer<void (Class::*)(int,...) &&>();
113    test_member_function_pointer<void (Class::*)(int, char,...) &&>();
114
115    test_member_function_pointer<void (Class::*)() const &&>();
116    test_member_function_pointer<void (Class::*)(int) const &&>();
117    test_member_function_pointer<void (Class::*)(int, char) const &&>();
118    test_member_function_pointer<void (Class::*)(...) const &&>();
119    test_member_function_pointer<void (Class::*)(int,...) const &&>();
120    test_member_function_pointer<void (Class::*)(int, char,...) const &&>();
121
122    test_member_function_pointer<void (Class::*)() volatile &&>();
123    test_member_function_pointer<void (Class::*)(int) volatile &&>();
124    test_member_function_pointer<void (Class::*)(int, char) volatile &&>();
125    test_member_function_pointer<void (Class::*)(...) volatile &&>();
126    test_member_function_pointer<void (Class::*)(int,...) volatile &&>();
127    test_member_function_pointer<void (Class::*)(int, char,...) volatile &&>();
128
129    test_member_function_pointer<void (Class::*)() const volatile &&>();
130    test_member_function_pointer<void (Class::*)(int) const volatile &&>();
131    test_member_function_pointer<void (Class::*)(int, char) const volatile &&>();
132    test_member_function_pointer<void (Class::*)(...) const volatile &&>();
133    test_member_function_pointer<void (Class::*)(int,...) const volatile &&>();
134    test_member_function_pointer<void (Class::*)(int, char,...) const volatile &&>();
135#endif
136}
137