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 operator==(const year_month_weekday_last& x, const year_month_weekday_last& y) noexcept;
14 //   Returns: x.year() == y.year() && x.month() == y.month() && x.weekday_last() == y.weekday_last()
15 //
16 
17 
18 #include <chrono>
19 #include <type_traits>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 #include "test_comparisons.h"
24 
main(int,char **)25 int main(int, char**)
26 {
27     using year                    = std::chrono::year;
28     using month                   = std::chrono::month;
29     using weekday                 = std::chrono::weekday;
30     using weekday_last            = std::chrono::weekday_last;
31     using year_month_weekday_last = std::chrono::year_month_weekday_last;
32 
33     AssertComparisons2AreNoexcept<year_month_weekday_last>();
34     AssertComparisons2ReturnBool<year_month_weekday_last>();
35 
36     constexpr month January   = std::chrono::January;
37     constexpr month February  = std::chrono::February;
38     constexpr weekday Tuesday = std::chrono::Tuesday;
39     constexpr weekday Wednesday = std::chrono::Wednesday;
40 
41     static_assert( testComparisons2(
42         year_month_weekday_last{year{1234}, January, weekday_last{Tuesday}},
43         year_month_weekday_last{year{1234}, January, weekday_last{Tuesday}},
44         true), "");
45 
46 //  different day
47     static_assert( testComparisons2(
48         year_month_weekday_last{year{1234}, January, weekday_last{Tuesday}},
49         year_month_weekday_last{year{1234}, January, weekday_last{Wednesday}},
50         false), "");
51 
52 //  different month
53     static_assert( testComparisons2(
54         year_month_weekday_last{year{1234}, January,  weekday_last{Tuesday}},
55         year_month_weekday_last{year{1234}, February, weekday_last{Tuesday}},
56         false), "");
57 
58 //  different year
59     static_assert( testComparisons2(
60         year_month_weekday_last{year{1234}, January, weekday_last{Tuesday}},
61         year_month_weekday_last{year{1235}, January, weekday_last{Tuesday}},
62         false), "");
63 
64 
65 //  different month and day
66     static_assert( testComparisons2(
67         year_month_weekday_last{year{1234}, January,  weekday_last{Tuesday}},
68         year_month_weekday_last{year{1234}, February, weekday_last{Wednesday}},
69         false), "");
70 
71 //  different year and month
72     static_assert( testComparisons2(
73         year_month_weekday_last{year{1234}, February, weekday_last{Tuesday}},
74         year_month_weekday_last{year{1235}, January,  weekday_last{Tuesday}},
75         false), "");
76 
77 //  different year and day
78     static_assert( testComparisons2(
79         year_month_weekday_last{year{1234}, January, weekday_last{Wednesday}},
80         year_month_weekday_last{year{1235}, January, weekday_last{Tuesday}},
81         false), "");
82 
83 //  different year, month and day
84     static_assert( testComparisons2(
85         year_month_weekday_last{year{1234}, February, weekday_last{Wednesday}},
86         year_month_weekday_last{year{1235}, January,  weekday_last{Tuesday}},
87         false), "");
88 
89 
90 //  same year, different days
91     for (unsigned i = 1; i < 28; ++i)
92         for (unsigned j = 1; j < 28; ++j)
93             assert((testComparisons2(
94                 year_month_weekday_last{year{1234}, January, weekday_last{weekday{i}}},
95                 year_month_weekday_last{year{1234}, January, weekday_last{weekday{j}}},
96                 i == j)));
97 
98 //  same year, different months
99     for (unsigned i = 1; i < 12; ++i)
100         for (unsigned j = 1; j < 12; ++j)
101             assert((testComparisons2(
102                 year_month_weekday_last{year{1234}, month{i}, weekday_last{Tuesday}},
103                 year_month_weekday_last{year{1234}, month{j}, weekday_last{Tuesday}},
104                 i == j)));
105 
106 //  same month, different years
107     for (int i = 1000; i < 20; ++i)
108         for (int j = 1000; j < 20; ++j)
109         assert((testComparisons2(
110             year_month_weekday_last{year{i}, January, weekday_last{Tuesday}},
111             year_month_weekday_last{year{j}, January, weekday_last{Tuesday}},
112             i == j)));
113 
114   return 0;
115 }
116