//===----------------------------------------------------------------------===//
//
//                     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.
//
//===----------------------------------------------------------------------===//

#include <cstddef>
#include <test_macros.h>

// UNSUPPORTED: c++98, c++03, c++11, c++14

// constexpr byte operator^(byte l, byte r) noexcept;

int main () {
    constexpr std::byte b1{static_cast<std::byte>(1)};
    constexpr std::byte b8{static_cast<std::byte>(8)};
    constexpr std::byte b9{static_cast<std::byte>(9)};

    static_assert(noexcept(b1 ^ b8), "" );

    static_assert(std::to_integer<int>(b1 ^ b8) == 9, "");
    static_assert(std::to_integer<int>(b1 ^ b9) == 8, "");
    static_assert(std::to_integer<int>(b8 ^ b9) == 1, "");

    static_assert(std::to_integer<int>(b8 ^ b1) == 9, "");
    static_assert(std::to_integer<int>(b9 ^ b1) == 8, "");
    static_assert(std::to_integer<int>(b9 ^ b8) == 1, "");
}