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 month_weekday_last;
12
13 // constexpr chrono::month month() const noexcept;
14 // Returns: m_
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 month = std::chrono::month;
25 using weekday = std::chrono::weekday;
26 using weekday_last = std::chrono::weekday_last;
27 using month_weekday_last = std::chrono::month_weekday_last;
28
29 constexpr weekday Tuesday = std::chrono::Tuesday;
30
31 ASSERT_NOEXCEPT( std::declval<const month_weekday_last>().month());
32 ASSERT_SAME_TYPE(month, decltype(std::declval<const month_weekday_last>().month()));
33
34 static_assert( month_weekday_last{month{}, weekday_last{Tuesday}}.month() == month{}, "");
35
36 for (unsigned i = 1; i <= 50; ++i)
37 {
38 month_weekday_last mdl(month{i}, weekday_last{Tuesday});
39 assert( static_cast<unsigned>(mdl.month()) == i);
40 }
41
42 return 0;
43 }
44