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 | // nullptr_t |
12 | // is_null_pointer |
13 | |
14 | // UNSUPPORTED: c++03, c++11 |
15 | |
16 | #include <type_traits> |
17 | #include <cstddef> // for std::nullptr_t |
18 | |
19 | #include "test_macros.h" |
20 | |
21 | template <class T> |
22 | void test_nullptr_imp() |
23 | { |
24 | static_assert(!std::is_void<T>::value, "" ); |
25 | static_assert( std::is_null_pointer<T>::value, "" ); |
26 | static_assert(!std::is_integral<T>::value, "" ); |
27 | static_assert(!std::is_floating_point<T>::value, "" ); |
28 | static_assert(!std::is_array<T>::value, "" ); |
29 | static_assert(!std::is_pointer<T>::value, "" ); |
30 | static_assert(!std::is_lvalue_reference<T>::value, "" ); |
31 | static_assert(!std::is_rvalue_reference<T>::value, "" ); |
32 | static_assert(!std::is_member_object_pointer<T>::value, "" ); |
33 | static_assert(!std::is_member_function_pointer<T>::value, "" ); |
34 | static_assert(!std::is_enum<T>::value, "" ); |
35 | static_assert(!std::is_union<T>::value, "" ); |
36 | static_assert(!std::is_class<T>::value, "" ); |
37 | static_assert(!std::is_function<T>::value, "" ); |
38 | } |
39 | |
40 | template <class T> |
41 | void test_nullptr() |
42 | { |
43 | test_nullptr_imp<T>(); |
44 | test_nullptr_imp<const T>(); |
45 | test_nullptr_imp<volatile T>(); |
46 | test_nullptr_imp<const volatile T>(); |
47 | } |
48 | |
49 | struct incomplete_type; |
50 | |
51 | int main(int, char**) |
52 | { |
53 | test_nullptr<std::nullptr_t>(); |
54 | |
55 | // LWG#2582 |
56 | static_assert(!std::is_null_pointer<incomplete_type>::value, "" ); |
57 | return 0; |
58 | } |
59 | |