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//===----------------------------------------------------------------------===//
//
// 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;
// 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;
}
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