| //===----------------------------------------------------------------------===// |
| // |
| // 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_weekday; |
| |
| // explicit constexpr year_month_weekday(const local_days& dp) noexcept; |
| // |
| // |
| // Effects: Constructs an object of type year_month_weekday that corresponds |
| // to the date represented by dp |
| // |
| // Remarks: Equivalent to constructing with sys_days{dp.time_since_epoch()}. |
| // |
| // constexpr chrono::year year() const noexcept; |
| // constexpr chrono::month month() const noexcept; |
| // constexpr chrono::day day() const noexcept; |
| // constexpr bool ok() const noexcept; |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| using year = std::chrono::year; |
| using days = std::chrono::days; |
| using local_days = std::chrono::local_days; |
| using weekday_indexed = std::chrono::weekday_indexed; |
| using year_month_weekday = std::chrono::year_month_weekday; |
| |
| ASSERT_NOEXCEPT(year_month_weekday{std::declval<const local_days>()}); |
| |
| { |
| constexpr local_days sd{}; // 1-Jan-1970 was a Thursday |
| constexpr year_month_weekday ymwd{sd}; |
| |
| static_assert( ymwd.ok(), ""); |
| static_assert( ymwd.year() == year{1970}, ""); |
| static_assert( ymwd.month() == std::chrono::January, ""); |
| static_assert( ymwd.weekday() == std::chrono::Thursday, ""); |
| static_assert( ymwd.index() == 1, ""); |
| static_assert( ymwd.weekday_indexed() == weekday_indexed{std::chrono::Thursday, 1}, ""); |
| static_assert( ymwd == year_month_weekday{local_days{ymwd}}, ""); // round trip |
| } |
| |
| { |
| constexpr local_days sd{days{10957+32}}; // 2-Feb-2000 was a Wednesday |
| constexpr year_month_weekday ymwd{sd}; |
| |
| static_assert( ymwd.ok(), ""); |
| static_assert( ymwd.year() == year{2000}, ""); |
| static_assert( ymwd.month() == std::chrono::February, ""); |
| static_assert( ymwd.weekday() == std::chrono::Wednesday, ""); |
| static_assert( ymwd.index() == 1, ""); |
| static_assert( ymwd.weekday_indexed() == weekday_indexed{std::chrono::Wednesday, 1}, ""); |
| static_assert( ymwd == year_month_weekday{local_days{ymwd}}, ""); // round trip |
| } |
| |
| |
| { |
| constexpr local_days sd{days{-10957}}; // 2-Jan-1940 was a Tuesday |
| constexpr year_month_weekday ymwd{sd}; |
| |
| static_assert( ymwd.ok(), ""); |
| static_assert( ymwd.year() == year{1940}, ""); |
| static_assert( ymwd.month() == std::chrono::January, ""); |
| static_assert( ymwd.weekday() == std::chrono::Tuesday, ""); |
| static_assert( ymwd.index() == 1, ""); |
| static_assert( ymwd.weekday_indexed() == weekday_indexed{std::chrono::Tuesday, 1}, ""); |
| static_assert( ymwd == year_month_weekday{local_days{ymwd}}, ""); // round trip |
| } |
| |
| { |
| local_days sd{days{-(10957+34)}}; // 29-Nov-1939 was a Wednesday |
| year_month_weekday ymwd{sd}; |
| |
| assert( ymwd.ok()); |
| assert( ymwd.year() == year{1939}); |
| assert( ymwd.month() == std::chrono::November); |
| assert( ymwd.weekday() == std::chrono::Wednesday); |
| assert( ymwd.index() == 5); |
| assert((ymwd.weekday_indexed() == weekday_indexed{std::chrono::Wednesday, 5})); |
| assert( ymwd == year_month_weekday{local_days{ymwd}}); // round trip |
| } |
| |
| return 0; |
| } |
