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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// type_traits
10
11// is_arithmetic
12
13#include <type_traits>
14#include <cstddef> // for std::nullptr_t
15#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 > 14
25 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#endif
30}
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 > 14
40 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#endif
45}
46
47class incomplete_type;
48
49class Empty
50{
51};
52
53class NotEmpty
54{
55 virtual ~NotEmpty();
56};
57
58union Union {};
59
60struct bit_zero
61{
62 int : 0;
63};
64
65class Abstract
66{
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

source code of libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_arithmetic.pass.cpp