108 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// type_traits10 11// is_member_pointer12 13#include <type_traits>14#include <cstddef> // for std::nullptr_t15#include "test_macros.h"16 17template <class T>18void test_is_member_pointer()19{20 static_assert( std::is_member_pointer<T>::value, "");21 static_assert( std::is_member_pointer<const T>::value, "");22 static_assert( std::is_member_pointer<volatile T>::value, "");23 static_assert( std::is_member_pointer<const volatile T>::value, "");24#if TEST_STD_VER > 1425 static_assert( std::is_member_pointer_v<T>, "");26 static_assert( std::is_member_pointer_v<const T>, "");27 static_assert( std::is_member_pointer_v<volatile T>, "");28 static_assert( std::is_member_pointer_v<const volatile T>, "");29#endif30}31 32template <class T>33void test_is_not_member_pointer()34{35 static_assert(!std::is_member_pointer<T>::value, "");36 static_assert(!std::is_member_pointer<const T>::value, "");37 static_assert(!std::is_member_pointer<volatile T>::value, "");38 static_assert(!std::is_member_pointer<const volatile T>::value, "");39#if TEST_STD_VER > 1440 static_assert(!std::is_member_pointer_v<T>, "");41 static_assert(!std::is_member_pointer_v<const T>, "");42 static_assert(!std::is_member_pointer_v<volatile T>, "");43 static_assert(!std::is_member_pointer_v<const volatile T>, "");44#endif45}46 47class Empty48{49};50 51class NotEmpty52{53 virtual ~NotEmpty();54};55 56union Union {};57 58struct bit_zero59{60 int : 0;61};62 63class Abstract64{65 virtual ~Abstract() = 0;66};67 68enum Enum {zero, one};69struct incomplete_type;70 71typedef void (*FunctionPtr)();72 73 74int main(int, char**)75{76 test_is_member_pointer<int Abstract::*>();77 test_is_member_pointer<double NotEmpty::*>();78 test_is_member_pointer<FunctionPtr Empty::*>();79 test_is_member_pointer<void (Empty::*)()>();80 81 test_is_not_member_pointer<std::nullptr_t>();82 test_is_not_member_pointer<void>();83 test_is_not_member_pointer<int>();84 test_is_not_member_pointer<int&>();85 test_is_not_member_pointer<int&&>();86 test_is_not_member_pointer<int*>();87 test_is_not_member_pointer<double>();88 test_is_not_member_pointer<const int*>();89 test_is_not_member_pointer<char[3]>();90 test_is_not_member_pointer<char[]>();91 test_is_not_member_pointer<Union>();92 test_is_not_member_pointer<Enum>();93 test_is_not_member_pointer<FunctionPtr>();94 test_is_not_member_pointer<Empty>();95 test_is_not_member_pointer<bit_zero>();96 test_is_not_member_pointer<NotEmpty>();97 test_is_not_member_pointer<Abstract>();98 test_is_not_member_pointer<incomplete_type>();99 100#if TEST_STD_VER >= 11101 test_is_member_pointer<int (Empty::*)(int, ...) const>();102 test_is_member_pointer<int (Empty::*)(int, long, long) const noexcept>();103 test_is_member_pointer<int (Empty::*)() & noexcept>();104#endif105 106 return 0;107}108