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_weekday_last;
12
13 // constexpr chrono::month month() 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 weekday = std::chrono::weekday;
27 using weekday_last = std::chrono::weekday_last;
28 using year_month_weekday_last = std::chrono::year_month_weekday_last;
29
30 ASSERT_NOEXCEPT( std::declval<const year_month_weekday_last>().month());
31 ASSERT_SAME_TYPE(month, decltype(std::declval<const year_month_weekday_last>().month()));
32
33 static_assert( year_month_weekday_last{year{}, month{}, weekday_last{weekday{}}}.month() == month{}, "");
34
35 for (unsigned i = 1; i <= 50; ++i)
36 {
37 year_month_weekday_last ymd(year{1234}, month{i}, weekday_last{weekday{}});
38 assert( static_cast<unsigned>(ymd.month()) == i);
39 }
40
41 return 0;
42 }
43