llvm/libcxx/test/std/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.members/year.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17

// <chrono>
// class year_month_day_last;

// constexpr chrono::day day() const noexcept;
//  Returns: d_

#include <chrono>
#include <cassert>
#include <type_traits>
#include <utility>

#include "test_macros.h"

int main(int, char**)
{
    using year                = std::chrono::year;
    using month               = std::chrono::month;
    using month_day_last      = std::chrono::month_day_last;
    using year_month_day_last = std::chrono::year_month_day_last;

    ASSERT_NOEXCEPT(                std::declval<const year_month_day_last>().year());
    ASSERT_SAME_TYPE(year, decltype(std::declval<const year_month_day_last>().year()));

    for (int i = 1; i <= 50; ++i)
    {
        year_month_day_last ym(year{i}, month_day_last{month{}});
        assert( static_cast<int>(ym.year()) == i);
    }

  return 0;
}