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 month_weekday_last;
13
14 // constexpr month_weekday_last(const chrono::month& m,
15 // const chrono::weekday_last& wdl) noexcept;
16 //
17 // Effects: Constructs an object of type month_weekday_last by
18 // initializing m_ with m, and wdl_ with wdl.
19 //
20 // constexpr chrono::month month() const noexcept;
21 // constexpr chrono::weekday_last weekday_last() const noexcept;
22 // constexpr bool ok() const noexcept;
23
24
25 #include <chrono>
26 #include <type_traits>
27 #include <cassert>
28
29 #include "test_macros.h"
30
main()31 int main()
32 {
33 using month = std::chrono::month;
34 using weekday = std::chrono::weekday;
35 using weekday_last = std::chrono::weekday_last;
36 using month_weekday_last = std::chrono::month_weekday_last;
37
38 constexpr month January = std::chrono::January;
39 constexpr weekday Tuesday = std::chrono::Tuesday;
40
41 ASSERT_NOEXCEPT(month_weekday_last{January, weekday_last{Tuesday}});
42
43 // bad month
44 constexpr month_weekday_last mwdl1{month{}, weekday_last{Tuesday}};
45 static_assert( mwdl1.month() == month{}, "");
46 static_assert( mwdl1.weekday_last() == weekday_last{Tuesday}, "");
47 static_assert(!mwdl1.ok(), "");
48
49 // bad weekday_last
50 constexpr month_weekday_last mwdl2{January, weekday_last{weekday{16}}};
51 static_assert( mwdl2.month() == January, "");
52 static_assert( mwdl2.weekday_last() == weekday_last{weekday{16}}, "");
53 static_assert(!mwdl2.ok(), "");
54
55 // Good month and weekday_last
56 constexpr month_weekday_last mwdl3{January, weekday_last{weekday{4}}};
57 static_assert( mwdl3.month() == January, "");
58 static_assert( mwdl3.weekday_last() == weekday_last{weekday{4}}, "");
59 static_assert( mwdl3.ok(), "");
60 }
61