1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10 
11 // <chrono>
12 // class year_month_weekday;
13 
14 // constexpr chrono::month month() const noexcept;
15 //  Returns: wd_
16 
17 #include <chrono>
18 #include <type_traits>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 
main()23 int main()
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