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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.weekday_indexed] | |
22 | ||
23 | #include <chrono> | |
24 | ||
25 | constexpr void | |
26 | constexpr_weekday_indexed() | |
27 | { | |
28 | using namespace std::chrono; | |
29 | ||
30 | weekday_indexed dwdi{}; | |
31 | ||
32 | // wdi0 is the second Sunday of an as yet unspecified month. | |
33 | constexpr auto wdi0 = Sunday[2]; | |
34 | static_assert(wdi0.weekday() == Sunday); | |
35 | static_assert(wdi0.index() == 2); | |
36 | ||
37 | constexpr weekday_indexed wdi1 = {weekday{3}, 2}; | |
38 | static_assert(wdi1.weekday() == weekday{3}); | |
39 | static_assert(wdi1.index() == 2); | |
40 | ||
41 | static_assert(!weekday_indexed{weekday{127}, 1}.ok()); | |
42 | static_assert(weekday_indexed{weekday{0}, 1}.ok()); | |
43 | static_assert(weekday_indexed{weekday{6}, 2}.ok()); | |
44 | static_assert(weekday_indexed{weekday{7}, 3}.ok()); // Weekday wraps 7 to 0. | |
45 | static_assert(!weekday_indexed{weekday{8}, 1}.ok()); | |
46 | static_assert(!weekday_indexed{weekday{6}, 6}.ok()); | |
47 | ||
48 | static_assert(weekday{7}[1] == weekday{0}[1]); | |
49 | static_assert(!(weekday{0}[2] == weekday{1}[2])); | |
50 | static_assert(!(weekday{0}[2] == weekday{0}[3])); | |
51 | static_assert( (weekday{0}[3] != weekday{2}[3])); | |
52 | static_assert( (weekday{0}[3] != weekday{0}[2])); | |
53 | } |