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
16template <class T>
17void test_member_function_pointer_imp()
18{
19    static_assert(!std::is_void<T>::value, "");
20#if _LIBCPP_STD_VER > 11
21    static_assert(!std::is_null_pointer<T>::value, "");
22#endif
23    static_assert(!std::is_integral<T>::value, "");
24    static_assert(!std::is_floating_point<T>::value, "");
25    static_assert(!std::is_array<T>::value, "");
26    static_assert(!std::is_pointer<T>::value, "");
27    static_assert(!std::is_lvalue_reference<T>::value, "");
28    static_assert(!std::is_rvalue_reference<T>::value, "");
29    static_assert(!std::is_member_object_pointer<T>::value, "");
30    static_assert( std::is_member_function_pointer<T>::value, "");
31    static_assert(!std::is_enum<T>::value, "");
32    static_assert(!std::is_union<T>::value, "");
33    static_assert(!std::is_class<T>::value, "");
34    static_assert(!std::is_function<T>::value, "");
35}
36
37template <class T>
38void test_member_function_pointer()
39{
40    test_member_function_pointer_imp<T>();
41    test_member_function_pointer_imp<const T>();
42    test_member_function_pointer_imp<volatile T>();
43    test_member_function_pointer_imp<const volatile T>();
44}
45
46class Class
47{
48};
49
50int main()
51{
52    test_member_function_pointer<void (Class::*)()>();
53    test_member_function_pointer<void (Class::*)(int)>();
54    test_member_function_pointer<void (Class::*)(int, char)>();
55
56    test_member_function_pointer<void (Class::*)() const>();
57    test_member_function_pointer<void (Class::*)(int) const>();
58    test_member_function_pointer<void (Class::*)(int, char) const>();
59
60    test_member_function_pointer<void (Class::*)() volatile>();
61    test_member_function_pointer<void (Class::*)(int) volatile>();
62    test_member_function_pointer<void (Class::*)(int, char) volatile>();
63
64    test_member_function_pointer<void (Class::*)(...)>();
65    test_member_function_pointer<void (Class::*)(int, ...)>();
66    test_member_function_pointer<void (Class::*)(int, char, ...)>();
67
68    test_member_function_pointer<void (Class::*)(...) const>();
69    test_member_function_pointer<void (Class::*)(int, ...) const>();
70    test_member_function_pointer<void (Class::*)(int, char, ...) const>();
71
72    test_member_function_pointer<void (Class::*)(...) volatile>();
73    test_member_function_pointer<void (Class::*)(int, ...) volatile>();
74    test_member_function_pointer<void (Class::*)(int, char, ...) volatile>();
75
76#if __cplusplus >= 201103L
77// reference qualifiers on functions are a C++11 extension
78    test_member_function_pointer<void (Class::*)() &&>();
79    test_member_function_pointer<void (Class::*)(int) &&>();
80    test_member_function_pointer<void (Class::*)(int, char) &&>();
81
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::*)() volatile &&>();
87    test_member_function_pointer<void (Class::*)(int) volatile &&>();
88    test_member_function_pointer<void (Class::*)(int, char) volatile &&>();
89
90    test_member_function_pointer<void (Class::*)(...) &&>();
91    test_member_function_pointer<void (Class::*)(int,...) &&>();
92    test_member_function_pointer<void (Class::*)(int, char,...) &&>();
93
94    test_member_function_pointer<void (Class::*)(...) &>();
95    test_member_function_pointer<void (Class::*)(int,...) &>();
96    test_member_function_pointer<void (Class::*)(int, char,...) &>();
97
98    test_member_function_pointer<void (Class::*)(...) volatile &&>();
99    test_member_function_pointer<void (Class::*)(int,...) volatile &&>();
100    test_member_function_pointer<void (Class::*)(int, char,...) volatile &&>();
101#endif
102}
103