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
18 template <class T>
test_is_arithmetic()19 void 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
33 template <class T>
test_is_not_arithmetic()34 void 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
48 class incomplete_type;
49
50 class Empty
51 {
52 };
53
54 class NotEmpty
55 {
56 virtual ~NotEmpty();
57 };
58
59 union Union {};
60
61 struct bit_zero
62 {
63 int : 0;
64 };
65
66 class Abstract
67 {
68 virtual ~Abstract() = 0;
69 };
70
71 enum Enum {zero, one};
72
73 typedef void (*FunctionPtr)();
74
75
main()76 int 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