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 weekday_last;
12
13// constexpr bool ok() const noexcept;
14// Returns: wd_.ok()
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 weekday = std::chrono::weekday;
26 using weekday_last = std::chrono::weekday_last;
27
28 ASSERT_NOEXCEPT( std::declval<const weekday_last>().ok());
29 ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday_last>().ok()));
30
31 static_assert( weekday_last{weekday{0}}.ok(), "");
32 static_assert( weekday_last{weekday{1}}.ok(), "");
33 static_assert(!weekday_last{weekday{8}}.ok(), "");
34
35 for (unsigned i = 0; i <= 255; ++i)
36 assert(weekday_last{weekday{i}}.ok() == weekday{i}.ok());
37
38 return 0;
39}
40

source code of libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.members/ok.pass.cpp