1*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
2*7738db2cSMark de Wever //
3*7738db2cSMark de Wever // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*7738db2cSMark de Wever // See https://llvm.org/LICENSE.txt for license information.
5*7738db2cSMark de Wever // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*7738db2cSMark de Wever //
7*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
8*7738db2cSMark de Wever // UNSUPPORTED: c++03, c++11, c++14, c++17
9*7738db2cSMark de Wever 
10*7738db2cSMark de Wever // <chrono>
11*7738db2cSMark de Wever // class month_day_last;
12*7738db2cSMark de Wever 
13*7738db2cSMark de Wever //  constexpr month_day_last(const chrono::month& m) noexcept;
14*7738db2cSMark de Wever //
15*7738db2cSMark de Wever //  Effects:  Constructs an object of type month_day_last by initializing m_ with m
16*7738db2cSMark de Wever //
17*7738db2cSMark de Wever //  constexpr chrono::month month() const noexcept;
18*7738db2cSMark de Wever //  constexpr bool             ok() const noexcept;
19*7738db2cSMark de Wever 
20*7738db2cSMark de Wever #include <chrono>
21*7738db2cSMark de Wever #include <type_traits>
22*7738db2cSMark de Wever #include <cassert>
23*7738db2cSMark de Wever 
24*7738db2cSMark de Wever #include "test_macros.h"
25*7738db2cSMark de Wever 
main(int,char **)26*7738db2cSMark de Wever int main(int, char**)
27*7738db2cSMark de Wever {
28*7738db2cSMark de Wever     using month     = std::chrono::month;
29*7738db2cSMark de Wever     using month_day_last = std::chrono::month_day_last;
30*7738db2cSMark de Wever 
31*7738db2cSMark de Wever     ASSERT_NOEXCEPT(month_day_last{month{1}});
32*7738db2cSMark de Wever 
33*7738db2cSMark de Wever     constexpr month_day_last md0{month{}};
34*7738db2cSMark de Wever     static_assert( md0.month() == month{}, "");
35*7738db2cSMark de Wever     static_assert(!md0.ok(),               "");
36*7738db2cSMark de Wever 
37*7738db2cSMark de Wever     constexpr month_day_last md1{std::chrono::January};
38*7738db2cSMark de Wever     static_assert( md1.month() == std::chrono::January, "");
39*7738db2cSMark de Wever     static_assert( md1.ok(),                            "");
40*7738db2cSMark de Wever 
41*7738db2cSMark de Wever   return 0;
42*7738db2cSMark de Wever }
43