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::weekday_indexed weekday_indexed() 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 = std::chrono::weekday;
28 using weekday_indexed = std::chrono::weekday_indexed;
29 using year_month_weekday = std::chrono::year_month_weekday;
30
31 ASSERT_NOEXCEPT( std::declval<const year_month_weekday>().weekday_indexed());
32 ASSERT_SAME_TYPE(weekday_indexed, decltype(std::declval<const year_month_weekday>().weekday_indexed()));
33
34 static_assert( year_month_weekday{}.weekday_indexed() == weekday_indexed{}, "");
35
36 for (unsigned i = 1; i <= 50; ++i)
37 {
38 year_month_weekday ymwd0(year{1234}, month{2}, weekday_indexed{weekday{i}, 1});
39 assert( static_cast<unsigned>(ymwd0.weekday_indexed().weekday()) == i);
40 assert( static_cast<unsigned>(ymwd0.weekday_indexed().index()) == 1);
41 year_month_weekday ymwd1(year{1234}, month{2}, weekday_indexed{weekday{2}, i});
42 assert( static_cast<unsigned>(ymwd1.weekday_indexed().weekday()) == 2);
43 assert( static_cast<unsigned>(ymwd1.weekday_indexed().index()) == i);
44 }
45 }
46