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libcxx/test/std/utilities/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.members/day.pass.cpp

52 lines
2.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <chrono>
// class year_month_day_last;
// constexpr chrono::day day() const noexcept;
// Returns: wd_
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main()
{
using year = std::chrono::year;
using month = std::chrono::month;
using day = std::chrono::day;
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>().day());
ASSERT_SAME_TYPE(day, decltype(std::declval<const year_month_day_last>().day()));
// Some months have a 31st
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 1}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 3}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 4}}}.day() == day{30}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 5}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 6}}}.day() == day{30}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 7}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 8}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{ 9}}}.day() == day{30}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{10}}}.day() == day{31}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{11}}}.day() == day{30}, "");
static_assert( year_month_day_last{year{2020}, month_day_last{month{12}}}.day() == day{31}, "");
assert((year_month_day_last{year{2019}, month_day_last{month{ 2}}}.day() == day{28}));
assert((year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}));
assert((year_month_day_last{year{2021}, month_day_last{month{ 2}}}.day() == day{28}));
}