118 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_arithmetic12 13#include <type_traits>14#include <cstddef> // for std::nullptr_t15#include "test_macros.h"16 17template <class T>18void test_is_arithmetic()19{20 static_assert( std::is_arithmetic<T>::value, "");21 static_assert( std::is_arithmetic<const T>::value, "");22 static_assert( std::is_arithmetic<volatile T>::value, "");23 static_assert( std::is_arithmetic<const volatile T>::value, "");24#if TEST_STD_VER > 1425 static_assert( std::is_arithmetic_v<T>, "");26 static_assert( std::is_arithmetic_v<const T>, "");27 static_assert( std::is_arithmetic_v<volatile T>, "");28 static_assert( std::is_arithmetic_v<const volatile T>, "");29#endif30}31 32template <class T>33void test_is_not_arithmetic()34{35 static_assert(!std::is_arithmetic<T>::value, "");36 static_assert(!std::is_arithmetic<const T>::value, "");37 static_assert(!std::is_arithmetic<volatile T>::value, "");38 static_assert(!std::is_arithmetic<const volatile T>::value, "");39#if TEST_STD_VER > 1440 static_assert(!std::is_arithmetic_v<T>, "");41 static_assert(!std::is_arithmetic_v<const T>, "");42 static_assert(!std::is_arithmetic_v<volatile T>, "");43 static_assert(!std::is_arithmetic_v<const volatile T>, "");44#endif45}46 47class incomplete_type;48 49class Empty50{51};52 53class NotEmpty54{55 virtual ~NotEmpty();56};57 58union Union {};59 60struct bit_zero61{62 int : 0;63};64 65class Abstract66{67 virtual ~Abstract() = 0;68};69 70enum Enum {zero, one};71 72enum EnumSigned : int { two };73 74enum EnumUnsigned : unsigned { three };75 76enum class EnumClass { zero, one };77 78typedef void (*FunctionPtr)();79 80 81int main(int, char**)82{83 test_is_arithmetic<short>();84 test_is_arithmetic<unsigned short>();85 test_is_arithmetic<int>();86 test_is_arithmetic<unsigned int>();87 test_is_arithmetic<long>();88 test_is_arithmetic<unsigned long>();89 test_is_arithmetic<bool>();90 test_is_arithmetic<char>();91 test_is_arithmetic<signed char>();92 test_is_arithmetic<unsigned char>();93 test_is_arithmetic<wchar_t>();94 test_is_arithmetic<double>();95 96 test_is_not_arithmetic<std::nullptr_t>();97 test_is_not_arithmetic<void>();98 test_is_not_arithmetic<int&>();99 test_is_not_arithmetic<int&&>();100 test_is_not_arithmetic<int*>();101 test_is_not_arithmetic<const int*>();102 test_is_not_arithmetic<char[3]>();103 test_is_not_arithmetic<char[]>();104 test_is_not_arithmetic<Union>();105 test_is_not_arithmetic<Enum>();106 test_is_not_arithmetic<EnumSigned>();107 test_is_not_arithmetic<EnumUnsigned>();108 test_is_not_arithmetic<EnumClass>();109 test_is_not_arithmetic<FunctionPtr>();110 test_is_not_arithmetic<Empty>();111 test_is_not_arithmetic<incomplete_type>();112 test_is_not_arithmetic<bit_zero>();113 test_is_not_arithmetic<NotEmpty>();114 test_is_not_arithmetic<Abstract>();115 116 return 0;117}118