55 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8// UNSUPPORTED: c++03, c++11, c++14, c++179 10// <chrono>11// class year_month_day_last;12 13// constexpr year_month_day_last(const chrono::year& y,14// const chrono::month_day_last& mdl) noexcept;15//16// Effects: Constructs an object of type year_month_day_last by initializing17// initializing y_ with y and mdl_ with mdl.18//19// constexpr chrono::year year() const noexcept;20// constexpr chrono::month month() const noexcept;21// constexpr chrono::month_day_last month_day_last() const noexcept;22// constexpr bool ok() const noexcept;23 24#include <chrono>25#include <type_traits>26#include <cassert>27 28#include "test_macros.h"29 30int main(int, char**)31{32 using year = std::chrono::year;33 using month = std::chrono::month;34 using month_day_last = std::chrono::month_day_last;35 using year_month_day_last = std::chrono::year_month_day_last;36 37 ASSERT_NOEXCEPT(year_month_day_last{year{1}, month_day_last{month{1}}});38 39 constexpr month January = std::chrono::January;40 41 constexpr year_month_day_last ymdl0{year{}, month_day_last{month{}}};42 static_assert( ymdl0.year() == year{}, "");43 static_assert( ymdl0.month() == month{}, "");44 static_assert( ymdl0.month_day_last() == month_day_last{month{}}, "");45 static_assert(!ymdl0.ok(), "");46 47 constexpr year_month_day_last ymdl1{year{2019}, month_day_last{January}};48 static_assert( ymdl1.year() == year{2019}, "");49 static_assert( ymdl1.month() == January, "");50 static_assert( ymdl1.month_day_last() == month_day_last{January}, "");51 static_assert( ymdl1.ok(), "");52 53 return 0;54}55