//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstddef>
#include <test_macros.h>
// UNSUPPORTED: c++03, c++11, c++14
// template <class IntegerType>
// constexpr byte operator <<(byte b, IntegerType shift) noexcept;
// These functions shall not participate in overload resolution unless
// is_integral_v<IntegerType> is true.
int main(int, char**) {
constexpr std::byte b1{static_cast<std::byte>(1)};
constexpr std::byte b3{static_cast<std::byte>(3)};
static_assert(noexcept(b3 << 2), "" );
static_assert(std::to_integer<int>(b1 << 1) == 2, "");
static_assert(std::to_integer<int>(b1 << 2) == 4, "");
static_assert(std::to_integer<int>(b3 << 4) == 48, "");
static_assert(std::to_integer<int>(b3 << 6) == 192, "");
return 0;
}