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_compound
13
14 #include <type_traits>
15 #include <cstddef> // for std::nullptr_t
16 #include "test_macros.h"
17
18 template <class T>
test_is_compound()19 void test_is_compound()
20 {
21 static_assert( std::is_compound<T>::value, "");
22 static_assert( std::is_compound<const T>::value, "");
23 static_assert( std::is_compound<volatile T>::value, "");
24 static_assert( std::is_compound<const volatile T>::value, "");
25 #if TEST_STD_VER > 14
26 static_assert( std::is_compound_v<T>, "");
27 static_assert( std::is_compound_v<const T>, "");
28 static_assert( std::is_compound_v<volatile T>, "");
29 static_assert( std::is_compound_v<const volatile T>, "");
30 #endif
31 }
32
33 template <class T>
test_is_not_compound()34 void test_is_not_compound()
35 {
36 static_assert(!std::is_compound<T>::value, "");
37 static_assert(!std::is_compound<const T>::value, "");
38 static_assert(!std::is_compound<volatile T>::value, "");
39 static_assert(!std::is_compound<const volatile T>::value, "");
40 #if TEST_STD_VER > 14
41 static_assert(!std::is_compound_v<T>, "");
42 static_assert(!std::is_compound_v<const T>, "");
43 static_assert(!std::is_compound_v<volatile T>, "");
44 static_assert(!std::is_compound_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_compound<char[3]>();
79 test_is_compound<char[]>();
80 test_is_compound<void *>();
81 test_is_compound<FunctionPtr>();
82 test_is_compound<int&>();
83 test_is_compound<int&&>();
84 test_is_compound<Union>();
85 test_is_compound<Empty>();
86 test_is_compound<incomplete_type>();
87 test_is_compound<bit_zero>();
88 test_is_compound<int*>();
89 test_is_compound<const int*>();
90 test_is_compound<Enum>();
91 test_is_compound<NotEmpty>();
92 test_is_compound<Abstract>();
93
94 test_is_not_compound<std::nullptr_t>();
95 test_is_not_compound<void>();
96 test_is_not_compound<int>();
97 test_is_not_compound<double>();
98 }
99