58 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// enum12 13#include <type_traits>14#include "test_macros.h"15 16template <class T>17void test_enum_imp()18{19 static_assert(!std::is_void<T>::value, "");20#if TEST_STD_VER > 1121 static_assert(!std::is_null_pointer<T>::value, "");22#endif23 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_enum()39{40 test_enum_imp<T>();41 test_enum_imp<const T>();42 test_enum_imp<volatile T>();43 test_enum_imp<const volatile T>();44}45 46enum Enum {zero, one};47struct incomplete_type;48 49int main(int, char**)50{51 test_enum<Enum>();52 53// LWG#258254 static_assert(!std::is_enum<incomplete_type>::value, "");55 56 return 0;57}58