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