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1 | // { dg-options "-std=gnu++2a" } |
2 | // { dg-do compile { target c++2a } } | |
3 | ||
99dee823 | 4 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
03d5044b PP |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // Class template day [time.cal.year] | |
22 | ||
23 | #include <chrono> | |
24 | ||
25 | constexpr void | |
26 | constexpr_year() | |
27 | { | |
28 | using namespace std::chrono; | |
29 | ||
30 | year dy{}; | |
31 | ++(++dy); | |
32 | dy++; | |
33 | --(--dy); | |
34 | dy--; | |
35 | dy += years{3}; | |
36 | dy -= years{3}; | |
37 | ||
38 | static_assert(++year{4} == year{5}); | |
39 | static_assert(year{4}++ == year{4}); | |
40 | static_assert(--year{4} == year{3}); | |
41 | static_assert(year{4}-- == year{4}); | |
42 | static_assert((year{4} += years{3}) == year{7}); | |
43 | static_assert((year{4} -= years{3}) == year{1}); | |
44 | ||
45 | static_assert(year{3} + years{7} == year{10}); | |
46 | static_assert(years{3} + year{7} == year{10}); | |
47 | static_assert(year{3} - years{7} == year{-4}); | |
48 | static_assert(year{10} - year{30} == years{-20}); | |
49 | ||
50 | const auto my = -dy; | |
51 | const auto py = +dy; | |
52 | ||
53 | static_assert((-year{1066} == year{-1066})); | |
54 | static_assert((-year{-332} == year{332})); | |
55 | static_assert((+year{1066} == year{1066})); | |
56 | static_assert((+year{-332} == year{-332})); | |
57 | ||
58 | year::min(); | |
59 | year::max(); | |
60 | ||
61 | static_assert(year{-12345}.ok()); | |
62 | static_assert(year{1}.ok()); | |
63 | static_assert(year{12}.ok()); | |
64 | static_assert(year{13}.ok()); | |
65 | ||
66 | static_assert(int{year{-42}} == -42); | |
67 | ||
68 | static_assert(!(year{0} == year{1})); | |
69 | static_assert( (year{0} != year{2})); | |
70 | static_assert( (year{0} < year{3})); | |
71 | static_assert(!(year{0} > year{4})); | |
72 | static_assert( (year{0} <= year{5})); | |
73 | static_assert(!(year{0} >= year{6})); | |
74 | ||
75 | static_assert(year{10} <=> year{11} == std::strong_ordering::less); | |
76 | static_assert(year{13} <=> year{13} == std::strong_ordering::equal); | |
77 | static_assert(year{15} <=> year{12} == std::strong_ordering::greater); | |
78 | ||
79 | static_assert( year{400}.is_leap()); | |
80 | static_assert( year{1984}.is_leap()); | |
81 | static_assert(!year{1}.is_leap()); | |
82 | static_assert( year{1600}.is_leap()); | |
83 | static_assert(!year{3000}.is_leap()); | |
84 | static_assert(!year{2019}.is_leap()); | |
85 | } |