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#define _LIBCPP_HAS_NO_VARIADICS
15#include <type_traits>
16
17#include "test_macros.h"
18
19template <class T>
20void test_member_function_pointer_imp()
21{
22    static_assert(!std::is_void<T>::value, "");
23#if TEST_STD_VER > 11
24    static_assert(!std::is_null_pointer<T>::value, "");
25#endif
26    static_assert(!std::is_integral<T>::value, "");
27    static_assert(!std::is_floating_point<T>::value, "");
28    static_assert(!std::is_array<T>::value, "");
29    static_assert(!std::is_pointer<T>::value, "");
30    static_assert(!std::is_lvalue_reference<T>::value, "");
31    static_assert(!std::is_rvalue_reference<T>::value, "");
32    static_assert(!std::is_member_object_pointer<T>::value, "");
33    static_assert( std::is_member_function_pointer<T>::value, "");
34    static_assert(!std::is_enum<T>::value, "");
35    static_assert(!std::is_union<T>::value, "");
36    static_assert(!std::is_class<T>::value, "");
37    static_assert(!std::is_function<T>::value, "");
38}
39
40template <class T>
41void test_member_function_pointer()
42{
43    test_member_function_pointer_imp<T>();
44    test_member_function_pointer_imp<const T>();
45    test_member_function_pointer_imp<volatile T>();
46    test_member_function_pointer_imp<const volatile T>();
47}
48
49class Class
50{
51};
52
53struct incomplete_type;
54
55int main()
56{
57    test_member_function_pointer<void (Class::*)()>();
58    test_member_function_pointer<void (Class::*)(int)>();
59    test_member_function_pointer<void (Class::*)(int, char)>();
60
61    test_member_function_pointer<void (Class::*)() const>();
62    test_member_function_pointer<void (Class::*)(int) const>();
63    test_member_function_pointer<void (Class::*)(int, char) const>();
64
65    test_member_function_pointer<void (Class::*)() volatile>();
66    test_member_function_pointer<void (Class::*)(int) volatile>();
67    test_member_function_pointer<void (Class::*)(int, char) volatile>();
68
69    test_member_function_pointer<void (Class::*)(...)>();
70    test_member_function_pointer<void (Class::*)(int, ...)>();
71    test_member_function_pointer<void (Class::*)(int, char, ...)>();
72
73    test_member_function_pointer<void (Class::*)(...) const>();
74    test_member_function_pointer<void (Class::*)(int, ...) const>();
75    test_member_function_pointer<void (Class::*)(int, char, ...) const>();
76
77    test_member_function_pointer<void (Class::*)(...) volatile>();
78    test_member_function_pointer<void (Class::*)(int, ...) volatile>();
79    test_member_function_pointer<void (Class::*)(int, char, ...) volatile>();
80
81//  LWG#2582
82    static_assert(!std::is_member_function_pointer<incomplete_type>::value, "");
83}
84