1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10
11 // <chrono>
12 // class year_month_weekday;
13
14 // year_month_weekday() = default;
15 // constexpr year_month_weekday(const chrono::year& y, const chrono::month& m,
16 // const chrono::weekday_indexed& wdi) noexcept;
17 //
18 // Effects: Constructs an object of type year_month_weekday by initializing
19 // y_ with y, m_ with m, and wdi_ with wdi.
20 //
21 // constexpr chrono::year year() const noexcept;
22 // constexpr chrono::month month() const noexcept;
23 // constexpr chrono::weekday weekday() const noexcept;
24 // constexpr unsigned index() const noexcept;
25 // constexpr chrono::weekday_indexed weekday_indexed() const noexcept;
26 // constexpr bool ok() const noexcept;
27
28 #include <chrono>
29 #include <type_traits>
30 #include <cassert>
31
32 #include "test_macros.h"
33
main()34 int main()
35 {
36 using year = std::chrono::year;
37 using month = std::chrono::month;
38 using weekday = std::chrono::weekday;
39 using weekday_indexed = std::chrono::weekday_indexed;
40 using year_month_weekday = std::chrono::year_month_weekday;
41
42 constexpr month January = std::chrono::January;
43 constexpr weekday Tuesday = std::chrono::Tuesday;
44
45 ASSERT_NOEXCEPT(year_month_weekday{});
46 ASSERT_NOEXCEPT(year_month_weekday{year{1}, month{1}, weekday_indexed{Tuesday, 1}});
47
48 constexpr year_month_weekday ym0{};
49 static_assert( ym0.year() == year{}, "");
50 static_assert( ym0.month() == month{}, "");
51 static_assert( ym0.weekday() == weekday{}, "");
52 static_assert( ym0.index() == 0, "");
53 static_assert( ym0.weekday_indexed() == weekday_indexed{}, "");
54 static_assert(!ym0.ok(), "");
55
56 constexpr year_month_weekday ym1{year{2019}, January, weekday_indexed{Tuesday, 1}};
57 static_assert( ym1.year() == year{2019}, "");
58 static_assert( ym1.month() == January, "");
59 static_assert( ym1.weekday() == Tuesday, "");
60 static_assert( ym1.index() == 1, "");
61 static_assert( ym1.weekday_indexed() == weekday_indexed{Tuesday, 1}, "");
62 static_assert( ym1.ok(), "");
63
64 }
65