| //===----------------------------------------------------------------------===// |
| // |
| // 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++98, c++03, c++11, c++14, c++17 |
| |
| // <chrono> |
| // class year_month_day_last; |
| |
| // constexpr operator local_days() const noexcept; |
| // Returns: local_days{sys_days{*this}.time_since_epoch()}. |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| using year = std::chrono::year; |
| using month_day_last = std::chrono::month_day_last; |
| using year_month_day_last = std::chrono::year_month_day_last; |
| using local_days = std::chrono::local_days; |
| using days = std::chrono::days; |
| |
| ASSERT_NOEXCEPT( static_cast<local_days>(std::declval<const year_month_day_last>())); |
| ASSERT_SAME_TYPE(local_days, decltype(static_cast<local_days>(std::declval<const year_month_day_last>()))); |
| |
| { // Last day in Jan 1970 was the 31st |
| constexpr year_month_day_last ymdl{year{1970}, month_day_last{std::chrono::January}}; |
| constexpr local_days sd{ymdl}; |
| |
| static_assert(sd.time_since_epoch() == days{30}, ""); |
| } |
| |
| { |
| constexpr year_month_day_last ymdl{year{2000}, month_day_last{std::chrono::January}}; |
| constexpr local_days sd{ymdl}; |
| |
| static_assert(sd.time_since_epoch() == days{10957+30}, ""); |
| } |
| |
| { |
| constexpr year_month_day_last ymdl{year{1940}, month_day_last{std::chrono::January}}; |
| constexpr local_days sd{ymdl}; |
| |
| static_assert(sd.time_since_epoch() == days{-10957+29}, ""); |
| } |
| |
| { |
| year_month_day_last ymdl{year{1939}, month_day_last{std::chrono::November}}; |
| local_days sd{ymdl}; |
| |
| assert(sd.time_since_epoch() == days{-(10957+33)}); |
| } |
| |
| return 0; |
| } |