test/std/utilities/meta/meta.trans/meta.trans.ref/add_rvalue_ref.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// type_traits

// add_rvalue_reference

#include <type_traits>

#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES

template <class T, class U>
void test_add_rvalue_reference()
{
    static_assert((std::is_same<typename std::add_rvalue_reference<T>::type, U>::value), "");
#if _LIBCPP_STD_VER > 11
    static_assert((std::is_same<std::add_rvalue_reference_t<T>, U>::value), "");
#endif
}

#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES

int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
    test_add_rvalue_reference<void, void>();
    test_add_rvalue_reference<int, int&&>();
    test_add_rvalue_reference<int[3], int(&&)[3]>();
    test_add_rvalue_reference<int&, int&>();
    test_add_rvalue_reference<const int&, const int&>();
    test_add_rvalue_reference<int*, int*&&>();
    test_add_rvalue_reference<const int*, const int*&&>();
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}