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 // lvalue_ref
13 
14 #include <type_traits>
15 
16 template <class T>
test_lvalue_ref()17 void test_lvalue_ref()
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 
main()37 int main()
38 {
39     test_lvalue_ref<int&>();
40     test_lvalue_ref<const int&>();
41 }
42