54 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 chrono::day day() const noexcept;14// Returns: wd_15 16#include <chrono>17#include <cassert>18#include <type_traits>19#include <utility>20 21#include "test_macros.h"22 23int main(int, char**)24{25 using year = std::chrono::year;26 using month = std::chrono::month;27 using day = std::chrono::day;28 using month_day_last = std::chrono::month_day_last;29 using year_month_day_last = std::chrono::year_month_day_last;30 31 ASSERT_NOEXCEPT( std::declval<const year_month_day_last>().day());32 ASSERT_SAME_TYPE(day, decltype(std::declval<const year_month_day_last>().day()));33 34 // Some months have a 31st35 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 1}}}.day() == day{31}, "");36 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}, "");37 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 3}}}.day() == day{31}, "");38 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 4}}}.day() == day{30}, "");39 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 5}}}.day() == day{31}, "");40 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 6}}}.day() == day{30}, "");41 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 7}}}.day() == day{31}, "");42 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 8}}}.day() == day{31}, "");43 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 9}}}.day() == day{30}, "");44 static_assert( year_month_day_last{year{2020}, month_day_last{month{10}}}.day() == day{31}, "");45 static_assert( year_month_day_last{year{2020}, month_day_last{month{11}}}.day() == day{30}, "");46 static_assert( year_month_day_last{year{2020}, month_day_last{month{12}}}.day() == day{31}, "");47 48 assert((year_month_day_last{year{2019}, month_day_last{month{ 2}}}.day() == day{28}));49 assert((year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}));50 assert((year_month_day_last{year{2021}, month_day_last{month{ 2}}}.day() == day{28}));51 52 return 0;53}54