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// nullptr_t
13//  is_null_pointer
14
15#include <type_traits>
16#include <cstddef>        // for std::nullptr_t
17#include "test_macros.h"
18
19#if TEST_STD_VER > 11
20template <class T>
21void test_nullptr_imp()
22{
23    static_assert(!std::is_void<T>::value, "");
24    static_assert( std::is_null_pointer<T>::value, "");
25    static_assert(!std::is_integral<T>::value, "");
26    static_assert(!std::is_floating_point<T>::value, "");
27    static_assert(!std::is_array<T>::value, "");
28    static_assert(!std::is_pointer<T>::value, "");
29    static_assert(!std::is_lvalue_reference<T>::value, "");
30    static_assert(!std::is_rvalue_reference<T>::value, "");
31    static_assert(!std::is_member_object_pointer<T>::value, "");
32    static_assert(!std::is_member_function_pointer<T>::value, "");
33    static_assert(!std::is_enum<T>::value, "");
34    static_assert(!std::is_union<T>::value, "");
35    static_assert(!std::is_class<T>::value, "");
36    static_assert(!std::is_function<T>::value, "");
37}
38
39template <class T>
40void test_nullptr()
41{
42    test_nullptr_imp<T>();
43    test_nullptr_imp<const T>();
44    test_nullptr_imp<volatile T>();
45    test_nullptr_imp<const volatile T>();
46}
47
48struct incomplete_type;
49
50int main()
51{
52    test_nullptr<std::nullptr_t>();
53
54//  LWG#2582
55    static_assert(!std::is_null_pointer<incomplete_type>::value, "");
56}
57#else
58int main() {}
59#endif
60