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