43 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 month_day_last;12 13// constexpr month_day_last(const chrono::month& m) noexcept;14//15// Effects: Constructs an object of type month_day_last by initializing m_ with m16//17// constexpr chrono::month month() const noexcept;18// constexpr bool ok() const noexcept;19 20#include <chrono>21#include <type_traits>22#include <cassert>23 24#include "test_macros.h"25 26int main(int, char**)27{28 using month = std::chrono::month;29 using month_day_last = std::chrono::month_day_last;30 31 ASSERT_NOEXCEPT(month_day_last{month{1}});32 33 constexpr month_day_last md0{month{}};34 static_assert( md0.month() == month{}, "");35 static_assert(!md0.ok(), "");36 37 constexpr month_day_last md1{std::chrono::January};38 static_assert( md1.month() == std::chrono::January, "");39 static_assert( md1.ok(), "");40 41 return 0;42}43