void.pass.cpp revision 79d8c99a62b6a6fa0b3c0dc3f761659f62f3f587 
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// void
13
14#include <type_traits>
15
16template <class T>
17void test_void_imp()
18{
19    static_assert( std::is_void<T>::value, "");
20#if _LIBCPP_STD_VER > 11
21    static_assert(!std::is_null_pointer<T>::value, "");
22#endif
23    static_assert(!std::is_integral<T>::value, "");
24    static_assert(!std::is_floating_point<T>::value, "");
25    static_assert(!std::is_array<T>::value, "");
26    static_assert(!std::is_pointer<T>::value, "");
27    static_assert(!std::is_lvalue_reference<T>::value, "");
28    static_assert(!std::is_rvalue_reference<T>::value, "");
29    static_assert(!std::is_member_object_pointer<T>::value, "");
30    static_assert(!std::is_member_function_pointer<T>::value, "");
31    static_assert(!std::is_enum<T>::value, "");
32    static_assert(!std::is_union<T>::value, "");
33    static_assert(!std::is_class<T>::value, "");
34    static_assert(!std::is_function<T>::value, "");
35}
36
37template <class T>
38void test_void()
39{
40    test_void_imp<T>();
41    test_void_imp<const T>();
42    test_void_imp<volatile T>();
43    test_void_imp<const volatile T>();
44}
45
46int main()
47{
48    test_void<void>();
49}
50