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 month_weekday;
12
13// constexpr chrono::weekday_indexed weekday_indexed() const noexcept;
14// Returns: wdi_
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 month_weekday = std::chrono::month_weekday;
26 using month = std::chrono::month;
27 using weekday = std::chrono::weekday;
28 using weekday_indexed = std::chrono::weekday_indexed;
29
30 constexpr weekday Sunday = std::chrono::Sunday;
31
32 ASSERT_NOEXCEPT( std::declval<const month_weekday>().weekday_indexed());
33 ASSERT_SAME_TYPE(weekday_indexed, decltype(std::declval<const month_weekday>().weekday_indexed()));
34
35 static_assert( month_weekday{month{}, weekday_indexed{}}.weekday_indexed() == weekday_indexed{}, "");
36
37 for (unsigned i = 1; i <= 10; ++i)
38 {
39 month_weekday md(std::chrono::March, weekday_indexed{Sunday, i});
40 assert( static_cast<unsigned>(md.weekday_indexed().weekday() == Sunday));
41 assert( static_cast<unsigned>(md.weekday_indexed().index() == i));
42 }
43
44 return 0;
45}
46

source code of libcxx/test/std/time/time.cal/time.cal.mwd/time.cal.mwd.members/weekday_indexed.pass.cpp