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_indexed;
12
13// constexpr bool ok() const noexcept;
14// Returns: wd_.ok() && 1 <= index_ && index_ <= 5
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_indexed = std::chrono::weekday_indexed;
27
28 ASSERT_NOEXCEPT( std::declval<const weekday_indexed>().ok());
29 ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday_indexed>().ok()));
30
31 static_assert(!weekday_indexed{}.ok(), "");
32 static_assert( weekday_indexed{std::chrono::Sunday, 2}.ok(), "");
33
34 assert(!(weekday_indexed(std::chrono::Tuesday, 0).ok()));
35 for (unsigned i = 1; i <= 5; ++i)
36 {
37 weekday_indexed wdi(std::chrono::Tuesday, i);
38 assert( wdi.ok());
39 }
40
41 for (unsigned i = 6; i <= 20; ++i)
42 {
43 weekday_indexed wdi(std::chrono::Tuesday, i);
44 assert(!wdi.ok());
45 }
46
47 // Not a valid weekday
48 assert(!(weekday_indexed(weekday{9U}, 1).ok()));
49
50 return 0;
51}
52

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