43 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8// UNSUPPORTED: c++03, c++11, c++14, c++179 10// <chrono>11// class year_month_weekday;12 13// constexpr chrono::month month() const noexcept;14// Returns: wd_15 16#include <chrono>17#include <cassert>18#include <type_traits>19#include <utility>20 21#include "test_macros.h"22 23int main(int, char**)24{25 using year = std::chrono::year;26 using month = std::chrono::month;27 using weekday_indexed = std::chrono::weekday_indexed;28 using year_month_weekday = std::chrono::year_month_weekday;29 30 ASSERT_NOEXCEPT( std::declval<const year_month_weekday>().month());31 ASSERT_SAME_TYPE(month, decltype(std::declval<const year_month_weekday>().month()));32 33 static_assert( year_month_weekday{}.month() == month{}, "");34 35 for (unsigned i = 1; i <= 50; ++i)36 {37 year_month_weekday ymd(year{1234}, month{i}, weekday_indexed{});38 assert( static_cast<unsigned>(ymd.month()) == i);39 }40 41 return 0;42}43