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 <type_traits>
18 #include <cassert>
19
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 using weekday = std::chrono::weekday;
25 using weekday_indexed = std::chrono::weekday_indexed;
26
27 ASSERT_NOEXCEPT( std::declval<const weekday_indexed>().ok());
28 ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday_indexed>().ok()));
29
30 static_assert(!weekday_indexed{}.ok(), "");
31 static_assert( weekday_indexed{std::chrono::Sunday, 2}.ok(), "");
32
33 assert(!(weekday_indexed(std::chrono::Tuesday, 0).ok()));
34 for (unsigned i = 1; i <= 5; ++i)
35 {
36 weekday_indexed wdi(std::chrono::Tuesday, i);
37 assert( wdi.ok());
38 }
39
40 for (unsigned i = 6; i <= 20; ++i)
41 {
42 weekday_indexed wdi(std::chrono::Tuesday, i);
43 assert(!wdi.ok());
44 }
45
46 // Not a valid weekday
47 assert(!(weekday_indexed(weekday{9U}, 1).ok()));
48
49 return 0;
50 }
51