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 | // function |
12 | |
13 | #include <type_traits> |
14 | #include "test_macros.h" |
15 | |
16 | class Class {}; |
17 | |
18 | enum Enum1 {}; |
19 | #if TEST_STD_VER >= 11 |
20 | enum class Enum2 : int {}; |
21 | #else |
22 | enum Enum2 {}; |
23 | #endif |
24 | |
25 | template <class T> |
26 | void test() |
27 | { |
28 | static_assert(!std::is_void<T>::value, "" ); |
29 | #if TEST_STD_VER > 11 |
30 | static_assert(!std::is_null_pointer<T>::value, "" ); |
31 | #endif |
32 | static_assert(!std::is_integral<T>::value, "" ); |
33 | static_assert(!std::is_floating_point<T>::value, "" ); |
34 | static_assert(!std::is_array<T>::value, "" ); |
35 | static_assert(!std::is_pointer<T>::value, "" ); |
36 | static_assert(!std::is_lvalue_reference<T>::value, "" ); |
37 | static_assert(!std::is_rvalue_reference<T>::value, "" ); |
38 | static_assert(!std::is_member_object_pointer<T>::value, "" ); |
39 | static_assert(!std::is_member_function_pointer<T>::value, "" ); |
40 | static_assert(!std::is_enum<T>::value, "" ); |
41 | static_assert(!std::is_union<T>::value, "" ); |
42 | static_assert(!std::is_class<T>::value, "" ); |
43 | static_assert( std::is_function<T>::value, "" ); |
44 | } |
45 | |
46 | // Since we can't actually add the const volatile and ref qualifiers once |
47 | // later let's use a macro to do it. |
48 | #define TEST_REGULAR(...) \ |
49 | test<__VA_ARGS__>(); \ |
50 | test<__VA_ARGS__ const>(); \ |
51 | test<__VA_ARGS__ volatile>(); \ |
52 | test<__VA_ARGS__ const volatile>() |
53 | |
54 | |
55 | #define TEST_REF_QUALIFIED(...) \ |
56 | test<__VA_ARGS__ &>(); \ |
57 | test<__VA_ARGS__ const &>(); \ |
58 | test<__VA_ARGS__ volatile &>(); \ |
59 | test<__VA_ARGS__ const volatile &>(); \ |
60 | test<__VA_ARGS__ &&>(); \ |
61 | test<__VA_ARGS__ const &&>(); \ |
62 | test<__VA_ARGS__ volatile &&>(); \ |
63 | test<__VA_ARGS__ const volatile &&>() |
64 | |
65 | struct incomplete_type; |
66 | |
67 | int main(int, char**) |
68 | { |
69 | TEST_REGULAR( void () ); |
70 | TEST_REGULAR( void (int) ); |
71 | TEST_REGULAR( int (double) ); |
72 | TEST_REGULAR( int (double, char) ); |
73 | TEST_REGULAR( void (...) ); |
74 | TEST_REGULAR( void (int, ...) ); |
75 | TEST_REGULAR( int (double, ...) ); |
76 | TEST_REGULAR( int (double, char, ...) ); |
77 | #if TEST_STD_VER >= 11 |
78 | TEST_REF_QUALIFIED( void () ); |
79 | TEST_REF_QUALIFIED( void (int) ); |
80 | TEST_REF_QUALIFIED( int (double) ); |
81 | TEST_REF_QUALIFIED( int (double, char) ); |
82 | TEST_REF_QUALIFIED( void (...) ); |
83 | TEST_REF_QUALIFIED( void (int, ...) ); |
84 | TEST_REF_QUALIFIED( int (double, ...) ); |
85 | TEST_REF_QUALIFIED( int (double, char, ...) ); |
86 | #endif |
87 | |
88 | // LWG#2582 |
89 | static_assert(!std::is_function<incomplete_type>::value, "" ); |
90 | |
91 | return 0; |
92 | } |
93 | |