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 chrono::weekday weekday() const noexcept;
14 //  Returns: wd_
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>().weekday());
28     ASSERT_SAME_TYPE(std::chrono::weekday, decltype(std::declval<const weekday_indexed>().weekday()));
29 
30     static_assert( weekday_indexed{}.weekday() == weekday{},                                   "");
31     static_assert( weekday_indexed{std::chrono::Tuesday, 0}.weekday() == std::chrono::Tuesday, "");
32 
33     for (unsigned i = 0; i <= 6; ++i)
34     {
35         weekday_indexed wdi(weekday{i}, 2);
36         assert( wdi.weekday().c_encoding() == i);
37     }
38 
39   return 0;
40 }
41