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::weekday_last weekday_last() const noexcept;
14// Returns: wdl_
15
16#include <chrono>
17#include <cassert>
18#include <type_traits>
19#include <utility>
20
21#include "test_macros.h"
22
23int main(int, char**)
24{
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;
29
30 constexpr month January = std::chrono::January;
31 constexpr weekday Tuesday = std::chrono::Tuesday;
32 constexpr weekday_last lastTuesday = weekday_last{Tuesday};
33
34 ASSERT_NOEXCEPT( std::declval<const month_weekday_last>().weekday_last());
35 ASSERT_SAME_TYPE(weekday_last, decltype(std::declval<const month_weekday_last>().weekday_last()));
36
37 static_assert( month_weekday_last{month{}, lastTuesday}.weekday_last() == lastTuesday, "");
38
39 for (unsigned i = 1; i <= 50; ++i)
40 {
41 month_weekday_last mdl(January, weekday_last{weekday{i}});
42 assert( mdl.weekday_last().weekday().c_encoding() == (i == 7 ? 0 : i));
43 }
44
45 return 0;
46}
47

source code of libcxx/test/std/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.members/weekday_last.pass.cpp