1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
12 // class month_weekday_last;
14 // constexpr chrono::month month() const noexcept;
18 #include <type_traits>
21 #include "test_macros.h"
25 using month = std::chrono::month;
26 using weekday = std::chrono::weekday;
27 using weekday_last = std::chrono::weekday_last;
28 using month_weekday_last = std::chrono::month_weekday_last;
30 constexpr weekday Tuesday = std::chrono::Tuesday;
32 ASSERT_NOEXCEPT( std::declval<const month_weekday_last>().month());
33 ASSERT_SAME_TYPE(month, decltype(std::declval<const month_weekday_last>().month()));
35 static_assert( month_weekday_last{month{}, weekday_last{Tuesday}}.month() == month{}, "");
37 for (unsigned i = 1; i <= 50; ++i)
39 month_weekday_last mdl(month{i}, weekday_last{Tuesday});
40 assert( static_cast<unsigned>(mdl.month()) == i);