| //===----------------------------------------------------------------------===// |
| // |
| // 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++03, c++11, c++14, c++17 |
| |
| // <chrono> |
| // class year_month; |
| |
| // year_month() = default; |
| // constexpr year_month(const chrono::year& y, const chrono::month& m) noexcept; |
| // |
| // Effects: Constructs an object of type year_month by initializing y_ with y, and m_ with m. |
| // |
| // constexpr chrono::year year() const noexcept; |
| // constexpr chrono::month month() 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 month = std::chrono::month; |
| using year_month = std::chrono::year_month; |
| |
| ASSERT_NOEXCEPT(year_month{}); |
| ASSERT_NOEXCEPT(year_month{year{1}, month{1}}); |
| |
| constexpr year_month ym0{}; |
| static_assert( ym0.year() == year{}, ""); |
| static_assert( ym0.month() == month{}, ""); |
| static_assert(!ym0.ok(), ""); |
| |
| constexpr year_month ym1{year{2018}, std::chrono::January}; |
| static_assert( ym1.year() == year{2018}, ""); |
| static_assert( ym1.month() == std::chrono::January, ""); |
| static_assert( ym1.ok(), ""); |
| |
| constexpr year_month ym2{year{2018}, month{}}; |
| static_assert( ym2.year() == year{2018}, ""); |
| static_assert( ym2.month() == month{}, ""); |
| static_assert(!ym2.ok(), ""); |
| |
| return 0; |
| } |