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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_last] | |
22 | ||
23 | #include <chrono> | |
24 | ||
25 | constexpr void | |
26 | constexpr_weekday_last() | |
27 | { | |
28 | using namespace std::chrono; | |
29 | ||
30 | constexpr auto wdl0 = Sunday[last]; | |
31 | static_assert(wdl0.weekday() == Sunday); | |
32 | ||
33 | constexpr auto wdl1 = weekday{3}[2]; | |
34 | static_assert(wdl1.weekday() == weekday{3}); | |
35 | static_assert(wdl1.index() == 2); | |
36 | constexpr auto wdll = weekday{3}[last]; | |
37 | static_assert(wdll.weekday() == weekday{3}); | |
38 | ||
39 | static_assert(!weekday_last{weekday{127}}.ok()); | |
40 | static_assert(weekday_last{weekday{0}}.ok()); | |
41 | static_assert(weekday_last{weekday{6}}.ok()); | |
42 | static_assert(weekday_last{weekday{7}}.ok()); // Weekday wraps 7 to 0. | |
43 | static_assert(!weekday_last{weekday{8}}.ok()); | |
44 | ||
45 | static_assert( (weekday_last{weekday{7}} == weekday_last{weekday{0}})); | |
46 | static_assert(!(weekday_last{weekday{0}} == weekday_last{weekday{1}})); | |
47 | static_assert( (weekday_last{weekday{0}} != weekday_last{weekday{2}})); | |
48 | } |