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 year_month_weekday_last;
12
13 // constexpr bool ok() const noexcept;
14 // Returns: y_.ok() && m_.ok() && wdl_.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 year = std::chrono::year;
25 using month = std::chrono::month;
26 using weekday = std::chrono::weekday;
27 using weekday_last = std::chrono::weekday_last;
28 using year_month_weekday_last = std::chrono::year_month_weekday_last;
29
30 constexpr month January = std::chrono::January;
31 constexpr weekday Tuesday = std::chrono::Tuesday;
32
33 ASSERT_NOEXCEPT( std::declval<const year_month_weekday_last>().ok());
34 ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_weekday_last>().ok()));
35
36 static_assert(!year_month_weekday_last{year{-32768}, month{}, weekday_last{weekday{}}}.ok(), ""); // All three bad
37
38 static_assert(!year_month_weekday_last{year{-32768}, January, weekday_last{Tuesday}}.ok(), ""); // Bad year
39 static_assert(!year_month_weekday_last{year{2019}, month{}, weekday_last{Tuesday}}.ok(), ""); // Bad month
40 static_assert(!year_month_weekday_last{year{2019}, January, weekday_last{weekday{8}}}.ok(), ""); // Bad day
41
42 static_assert(!year_month_weekday_last{year{-32768}, month{}, weekday_last{Tuesday}}.ok(), ""); // Bad year & month
43 static_assert(!year_month_weekday_last{year{2019}, month{}, weekday_last{weekday{8}}}.ok(), ""); // Bad month & day
44 static_assert(!year_month_weekday_last{year{-32768}, January, weekday_last{weekday{8}}}.ok(), ""); // Bad year & day
45
46 static_assert( year_month_weekday_last{year{2019}, January, weekday_last{Tuesday}}.ok(), ""); // All OK
47
48 for (unsigned i = 0; i <= 50; ++i)
49 {
50 year_month_weekday_last ym{year{2019}, January, weekday_last{Tuesday}};
51 assert((ym.ok() == weekday_last{Tuesday}.ok()));
52 }
53
54 for (unsigned i = 0; i <= 50; ++i)
55 {
56 year_month_weekday_last ym{year{2019}, January, weekday_last{weekday{i}}};
57 assert((ym.ok() == weekday_last{weekday{i}}.ok()));
58 }
59
60 for (unsigned i = 0; i <= 50; ++i)
61 {
62 year_month_weekday_last ym{year{2019}, month{i}, weekday_last{Tuesday}};
63 assert((ym.ok() == month{i}.ok()));
64 }
65
66 const int ymax = static_cast<int>(year::max());
67 for (int i = ymax - 100; i <= ymax + 100; ++i)
68 {
69 year_month_weekday_last ym{year{i}, January, weekday_last{Tuesday}};
70 assert((ym.ok() == year{i}.ok()));
71 }
72
73 return 0;
74 }
75