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-exception
6//
7//===----------------------------------------------------------------------===//
8// UNSUPPORTED: c++03, c++11, c++14, c++17
9
10// <chrono>
11// class year_month;
12
13// constexpr chrono::day day() const noexcept;
14// Returns: d_
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 year_month = std::chrono::year_month;
28
29 ASSERT_NOEXCEPT( std::declval<const year_month>().year());
30 ASSERT_SAME_TYPE(year, decltype(std::declval<const year_month>().year()));
31
32 static_assert( year_month{}.year() == year{}, "");
33
34 for (int i = 1; i <= 50; ++i)
35 {
36 year_month ym(year{i}, month{});
37 assert( static_cast<int>(ym.year()) == i);
38 }
39
40 return 0;
41}
42

source code of libcxx/test/std/time/time.cal/time.cal.ym/time.cal.ym.members/year.pass.cpp