//===----------------------------------------------------------------------===//
//
// 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>

// constexpr bool is_pm(const hours& h) noexcept;
//   Returns: 12h <= h && h <= 23

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

#include "test_macros.h"

int main(int, char**)
{
  using hours = cuda::std::chrono::hours;
  static_assert(cuda::std::is_same_v<bool, decltype(cuda::std::chrono::is_pm(cuda::std::declval<hours>()))>);
  static_assert(noexcept(cuda::std::chrono::is_pm(cuda::std::declval<hours>())));

  static_assert(!cuda::std::chrono::is_pm(hours(0)), "");
  static_assert(!cuda::std::chrono::is_pm(hours(11)), "");
  static_assert(cuda::std::chrono::is_pm(hours(12)), "");
  static_assert(cuda::std::chrono::is_pm(hours(23)), "");

  for (int i = 0; i < 12; ++i)
  {
    assert(!cuda::std::chrono::is_pm(hours(i)));
  }
  for (int i = 12; i < 24; ++i)
  {
    assert(cuda::std::chrono::is_pm(hours(i)));
  }

  return 0;
}
