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_day;
12
13 // constexpr chrono::day day() const noexcept;
14 // Returns: wd_
15
16 #include <chrono>
17 #include <type_traits>
18 #include <cassert>
19
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 using year = std::chrono::year;
25 using month = std::chrono::month;
26 using day = std::chrono::day;
27 using year_month_day = std::chrono::year_month_day;
28
29 ASSERT_NOEXCEPT( std::declval<const year_month_day>().day());
30 ASSERT_SAME_TYPE(day, decltype(std::declval<const year_month_day>().day()));
31
32 static_assert( year_month_day{}.day() == day{}, "");
33
34 for (unsigned i = 1; i <= 50; ++i)
35 {
36 year_month_day ymd(year{1234}, month{2}, day{i});
37 assert( static_cast<unsigned>(ymd.day()) == i);
38 }
39
40 return 0;
41 }
42