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// is_arithmetic 13 14#include <type_traits> 15#include <cstddef> // for std::nullptr_t 16#include "test_macros.h" 17 18template <class T> 19void test_is_arithmetic() 20{ 21 static_assert( std::is_arithmetic<T>::value, ""); 22 static_assert( std::is_arithmetic<const T>::value, ""); 23 static_assert( std::is_arithmetic<volatile T>::value, ""); 24 static_assert( std::is_arithmetic<const volatile T>::value, ""); 25#if TEST_STD_VER > 14 26 static_assert( std::is_arithmetic_v<T>, ""); 27 static_assert( std::is_arithmetic_v<const T>, ""); 28 static_assert( std::is_arithmetic_v<volatile T>, ""); 29 static_assert( std::is_arithmetic_v<const volatile T>, ""); 30#endif 31} 32 33template <class T> 34void test_is_not_arithmetic() 35{ 36 static_assert(!std::is_arithmetic<T>::value, ""); 37 static_assert(!std::is_arithmetic<const T>::value, ""); 38 static_assert(!std::is_arithmetic<volatile T>::value, ""); 39 static_assert(!std::is_arithmetic<const volatile T>::value, ""); 40#if TEST_STD_VER > 14 41 static_assert(!std::is_arithmetic_v<T>, ""); 42 static_assert(!std::is_arithmetic_v<const T>, ""); 43 static_assert(!std::is_arithmetic_v<volatile T>, ""); 44 static_assert(!std::is_arithmetic_v<const volatile T>, ""); 45#endif 46} 47 48class incomplete_type; 49 50class Empty 51{ 52}; 53 54class NotEmpty 55{ 56 virtual ~NotEmpty(); 57}; 58 59union Union {}; 60 61struct bit_zero 62{ 63 int : 0; 64}; 65 66class Abstract 67{ 68 virtual ~Abstract() = 0; 69}; 70 71enum Enum {zero, one}; 72 73typedef void (*FunctionPtr)(); 74 75 76int main() 77{ 78 test_is_arithmetic<short>(); 79 test_is_arithmetic<unsigned short>(); 80 test_is_arithmetic<int>(); 81 test_is_arithmetic<unsigned int>(); 82 test_is_arithmetic<long>(); 83 test_is_arithmetic<unsigned long>(); 84 test_is_arithmetic<bool>(); 85 test_is_arithmetic<char>(); 86 test_is_arithmetic<signed char>(); 87 test_is_arithmetic<unsigned char>(); 88 test_is_arithmetic<wchar_t>(); 89 test_is_arithmetic<double>(); 90 91 test_is_not_arithmetic<std::nullptr_t>(); 92 test_is_not_arithmetic<void>(); 93 test_is_not_arithmetic<int&>(); 94 test_is_not_arithmetic<int&&>(); 95 test_is_not_arithmetic<int*>(); 96 test_is_not_arithmetic<const int*>(); 97 test_is_not_arithmetic<char[3]>(); 98 test_is_not_arithmetic<char[]>(); 99 test_is_not_arithmetic<Union>(); 100 test_is_not_arithmetic<Enum>(); 101 test_is_not_arithmetic<FunctionPtr>(); 102 test_is_not_arithmetic<Empty>(); 103 test_is_not_arithmetic<incomplete_type>(); 104 test_is_not_arithmetic<bit_zero>(); 105 test_is_not_arithmetic<NotEmpty>(); 106 test_is_not_arithmetic<Abstract>(); 107} 108