add_lvalue_ref.pass.cpp revision 933afa9761c1c1f916161278a99284d50a594939 
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// add_lvalue_reference
13
14#include <type_traits>
15
16template <class T, class U>
17void test_add_lvalue_reference()
18{
19    static_assert((std::is_same<typename std::add_lvalue_reference<T>::type, U>::value), "");
20#if _LIBCPP_STD_VER > 11
21    static_assert((std::is_same<std::add_lvalue_reference_t<T>, U>::value), "");
22#endif
23}
24
25int main()
26{
27    test_add_lvalue_reference<void, void>();
28    test_add_lvalue_reference<int, int&>();
29    test_add_lvalue_reference<int[3], int(&)[3]>();
30    test_add_lvalue_reference<int&, int&>();
31    test_add_lvalue_reference<const int&, const int&>();
32    test_add_lvalue_reference<int*, int*&>();
33    test_add_lvalue_reference<const int*, const int*&>();
34}
35