42 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 month_day;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 day = std::chrono::day;26 using month = std::chrono::month;27 using month_day = std::chrono::month_day;28 29 ASSERT_NOEXCEPT( std::declval<const month_day>().month());30 ASSERT_SAME_TYPE(month, decltype(std::declval<const month_day>().month()));31 32 static_assert( month_day{}.month() == month{}, "");33 34 for (unsigned i = 1; i <= 50; ++i)35 {36 month_day md(month{i}, day{1});37 assert( static_cast<unsigned>(md.month()) == i);38 }39 40 return 0;41}42