| //===----------------------------------------------------------------------===// |
| // |
| // 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; |
| |
| // constexpr bool ok() const noexcept; |
| // Returns: m_.ok() && y_.ok(). |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| using year = std::chrono::year; |
| using month = std::chrono::month; |
| using day = std::chrono::day; |
| using year_month_day = std::chrono::year_month_day; |
| |
| constexpr month January = std::chrono::January; |
| |
| ASSERT_NOEXCEPT( std::declval<const year_month_day>().ok()); |
| ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_day>().ok())); |
| |
| static_assert(!year_month_day{year{-32768}, month{}, day{}}.ok(), ""); // All three bad |
| |
| static_assert(!year_month_day{year{-32768}, January, day{1}}.ok(), ""); // Bad year |
| static_assert(!year_month_day{year{2019}, month{}, day{1}}.ok(), ""); // Bad month |
| static_assert(!year_month_day{year{2019}, January, day{} }.ok(), ""); // Bad day |
| |
| static_assert(!year_month_day{year{-32768}, month{}, day{1}}.ok(), ""); // Bad year & month |
| static_assert(!year_month_day{year{2019}, month{}, day{} }.ok(), ""); // Bad month & day |
| static_assert(!year_month_day{year{-32768}, January, day{} }.ok(), ""); // Bad year & day |
| |
| static_assert( year_month_day{year{2019}, January, day{1}}.ok(), ""); // All OK |
| |
| // Some months have a 31st |
| static_assert( year_month_day{year{2020}, month{ 1}, day{31}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{ 2}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 3}, day{31}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{ 4}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 5}, day{31}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{ 6}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 7}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 8}, day{31}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{ 9}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{10}, day{31}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{11}, day{31}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{12}, day{31}}.ok(), ""); |
| |
| // Everyone except FEB has a 30th |
| static_assert( year_month_day{year{2020}, month{ 1}, day{30}}.ok(), ""); |
| static_assert(!year_month_day{year{2020}, month{ 2}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 3}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 4}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 5}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 6}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 7}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 8}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{ 9}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{10}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{11}, day{30}}.ok(), ""); |
| static_assert( year_month_day{year{2020}, month{12}, day{30}}.ok(), ""); |
| |
| static_assert(!year_month_day{year{2019}, std::chrono::February, day{29}}.ok(), ""); // Not a leap year |
| static_assert( year_month_day{year{2020}, std::chrono::February, day{29}}.ok(), ""); // Ok; 2020 is a leap year |
| |
| for (unsigned i = 0; i <= 50; ++i) |
| { |
| year_month_day ym{year{2019}, January, day{i}}; |
| assert( ym.ok() == day{i}.ok()); |
| } |
| |
| for (unsigned i = 0; i <= 50; ++i) |
| { |
| year_month_day ym{year{2019}, month{i}, day{12}}; |
| assert( ym.ok() == month{i}.ok()); |
| } |
| |
| const int ymax = static_cast<int>(year::max()); |
| for (int i = ymax - 100; i <= ymax + 100; ++i) |
| { |
| year_month_day ym{year{i}, January, day{12}}; |
| assert( ym.ok() == year{i}.ok()); |
| } |
| |
| return 0; |
| } |