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_day;
12
13 // constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept;
14 // Returns: x.year() == y.year() && x.month() == y.month().
15 //
16 // constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept;
17 // Returns:
18 // If x.year() < y.year() returns true.
19 // Otherwise, if x.year() > y.year() returns false.
20 // Otherwise, if x.month() < y.month() returns true.
21 // Otherwise, if x.month() > y.month() returns false.
22 // Otherwise, returns x.day() < y.day()
23
24
25 #include <chrono>
26 #include <type_traits>
27 #include <cassert>
28
29 #include "test_macros.h"
30 #include "test_comparisons.h"
31
main(int,char **)32 int main(int, char**)
33 {
34 using day = std::chrono::day;
35 using year = std::chrono::year;
36 using month = std::chrono::month;
37 using year_month_day = std::chrono::year_month_day;
38
39 AssertComparisons6AreNoexcept<year_month_day>();
40 AssertComparisons6ReturnBool<year_month_day>();
41
42 constexpr month January = std::chrono::January;
43 constexpr month February = std::chrono::February;
44
45 static_assert( testComparisons6(
46 year_month_day{year{1234}, January, day{1}},
47 year_month_day{year{1234}, January, day{1}},
48 true, false), "");
49
50 // different day
51 static_assert( testComparisons6(
52 year_month_day{year{1234}, January, day{1}},
53 year_month_day{year{1234}, January, day{2}},
54 false, true), "");
55
56 // different month
57 static_assert( testComparisons6(
58 year_month_day{year{1234}, January, day{1}},
59 year_month_day{year{1234}, February, day{1}},
60 false, true), "");
61
62 // different year
63 static_assert( testComparisons6(
64 year_month_day{year{1234}, January, day{1}},
65 year_month_day{year{1235}, January, day{1}},
66 false, true), "");
67
68
69 // different month and day
70 static_assert( testComparisons6(
71 year_month_day{year{1234}, January, day{2}},
72 year_month_day{year{1234}, February, day{1}},
73 false, true), "");
74
75 // different year and month
76 static_assert( testComparisons6(
77 year_month_day{year{1234}, February, day{1}},
78 year_month_day{year{1235}, January, day{1}},
79 false, true), "");
80
81 // different year and day
82 static_assert( testComparisons6(
83 year_month_day{year{1234}, January, day{2}},
84 year_month_day{year{1235}, January, day{1}},
85 false, true), "");
86
87 // different year, month and day
88 static_assert( testComparisons6(
89 year_month_day{year{1234}, February, day{2}},
90 year_month_day{year{1235}, January, day{1}},
91 false, true), "");
92
93
94 // same year, different days
95 for (unsigned i = 1; i < 28; ++i)
96 for (unsigned j = 1; j < 28; ++j)
97 assert((testComparisons6(
98 year_month_day{year{1234}, January, day{i}},
99 year_month_day{year{1234}, January, day{j}},
100 i == j, i < j )));
101
102 // same year, different months
103 for (unsigned i = 1; i < 12; ++i)
104 for (unsigned j = 1; j < 12; ++j)
105 assert((testComparisons6(
106 year_month_day{year{1234}, month{i}, day{12}},
107 year_month_day{year{1234}, month{j}, day{12}},
108 i == j, i < j )));
109
110 // same month, different years
111 for (int i = 1000; i < 20; ++i)
112 for (int j = 1000; j < 20; ++j)
113 assert((testComparisons6(
114 year_month_day{year{i}, January, day{12}},
115 year_month_day{year{j}, January, day{12}},
116 i == j, i < j )));
117
118 return 0;
119 }
120