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_day_last;
13
14 // constexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept;
15 // Returns: x.year() == y.year() && x.month_day_last() == y.month_day_last().
16 //
17 // constexpr bool operator< (const year_month_day_last& x, const year_month_day_last& y) noexcept;
18 // Returns:
19 // If x.year() < y.year(), returns true.
20 // Otherwise, if x.year() > y.year(), returns false.
21 // Otherwise, returns x.month_day_last() < y.month_day_last()
22
23 #include <chrono>
24 #include <type_traits>
25 #include <cassert>
26
27 #include "test_macros.h"
28 #include "test_comparisons.h"
29
main()30 int main()
31 {
32 using year = std::chrono::year;
33 using month = std::chrono::month;
34 using month_day_last = std::chrono::month_day_last;
35 using year_month_day_last = std::chrono::year_month_day_last;
36
37 AssertComparisons6AreNoexcept<year_month_day_last>();
38 AssertComparisons6ReturnBool<year_month_day_last>();
39
40 constexpr month January = std::chrono::January;
41 constexpr month February = std::chrono::February;
42
43 static_assert( testComparisons6(
44 year_month_day_last{year{1234}, month_day_last{January}},
45 year_month_day_last{year{1234}, month_day_last{January}},
46 true, false), "");
47
48 // different month
49 static_assert( testComparisons6(
50 year_month_day_last{year{1234}, month_day_last{January}},
51 year_month_day_last{year{1234}, month_day_last{February}},
52 false, true), "");
53
54 // different year
55 static_assert( testComparisons6(
56 year_month_day_last{year{1234}, month_day_last{January}},
57 year_month_day_last{year{1235}, month_day_last{January}},
58 false, true), "");
59
60 // different month
61 static_assert( testComparisons6(
62 year_month_day_last{year{1234}, month_day_last{January}},
63 year_month_day_last{year{1234}, month_day_last{February}},
64 false, true), "");
65
66 // different year and month
67 static_assert( testComparisons6(
68 year_month_day_last{year{1234}, month_day_last{February}},
69 year_month_day_last{year{1235}, month_day_last{January}},
70 false, true), "");
71
72 // same year, different months
73 for (unsigned i = 1; i < 12; ++i)
74 for (unsigned j = 1; j < 12; ++j)
75 assert((testComparisons6(
76 year_month_day_last{year{1234}, month_day_last{month{i}}},
77 year_month_day_last{year{1234}, month_day_last{month{j}}},
78 i == j, i < j )));
79
80 // same month, different years
81 for (int i = 1000; i < 20; ++i)
82 for (int j = 1000; j < 20; ++j)
83 assert((testComparisons6(
84 year_month_day_last{year{i}, month_day_last{January}},
85 year_month_day_last{year{j}, month_day_last{January}},
86 i == j, i < j )));
87 }
88