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
20 template <class T>
test_nullptr_imp()21 void 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
39 template <class T>
test_nullptr()40 void 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
48 struct incomplete_type;
49
main()50 int 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
main()58 int main() {}
59 #endif
60