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
17 template <class T>
test_is_arithmetic()18 void 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
32 template <class T>
test_is_not_arithmetic()33 void 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
47 class incomplete_type;
48
49 class Empty
50 {
51 };
52
53 class NotEmpty
54 {
55 virtual ~NotEmpty();
56 };
57
58 union Union {};
59
60 struct bit_zero
61 {
62 int : 0;
63 };
64
65 class Abstract
66 {
67 virtual ~Abstract() = 0;
68 };
69
70 enum Enum {zero, one};
71
72 enum EnumSigned : int { two };
73
74 enum EnumUnsigned : unsigned { three };
75
76 enum class EnumClass { zero, one };
77
78 typedef void (*FunctionPtr)();
79
80
main(int,char **)81 int 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