//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <chrono>
// class month_weekday_last;

// constexpr chrono::weekday_last weekday_last() const noexcept;
//  Returns: wdl_

#include <cuda/std/cassert>
#include <cuda/std/chrono>
#include <cuda/std/type_traits>

#include "test_macros.h"

int main(int, char**)
{
  using month              = cuda::std::chrono::month;
  using weekday            = cuda::std::chrono::weekday;
  using weekday_last       = cuda::std::chrono::weekday_last;
  using month_weekday_last = cuda::std::chrono::month_weekday_last;

  constexpr month January            = cuda::std::chrono::January;
  constexpr weekday Tuesday          = cuda::std::chrono::Tuesday;
  constexpr weekday_last lastTuesday = weekday_last{Tuesday};

  static_assert(noexcept(cuda::std::declval<const month_weekday_last>().weekday_last()));
  static_assert(
    cuda::std::is_same_v<weekday_last, decltype(cuda::std::declval<const month_weekday_last>().weekday_last())>);

  static_assert(month_weekday_last{month{}, lastTuesday}.weekday_last() == lastTuesday, "");

  for (unsigned i = 1; i <= 50; ++i)
  {
    month_weekday_last mdl(January, weekday_last{weekday{i}});
    assert(mdl.weekday_last().weekday().c_encoding() == (i == 7 ? 0 : i));
  }

  return 0;
}
