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_last;
12
13 // constexpr chrono::day day() const noexcept;
14 // Returns: wd_
15
16 #include <chrono>
17 #include <type_traits>
18 #include <cassert>
19
20 #include "test_macros.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 using year = std::chrono::year;
25 using month = std::chrono::month;
26 using day = std::chrono::day;
27 using month_day_last = std::chrono::month_day_last;
28 using year_month_day_last = std::chrono::year_month_day_last;
29
30 ASSERT_NOEXCEPT( std::declval<const year_month_day_last>().day());
31 ASSERT_SAME_TYPE(day, decltype(std::declval<const year_month_day_last>().day()));
32
33 // Some months have a 31st
34 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 1}}}.day() == day{31}, "");
35 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}, "");
36 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 3}}}.day() == day{31}, "");
37 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 4}}}.day() == day{30}, "");
38 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 5}}}.day() == day{31}, "");
39 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 6}}}.day() == day{30}, "");
40 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 7}}}.day() == day{31}, "");
41 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 8}}}.day() == day{31}, "");
42 static_assert( year_month_day_last{year{2020}, month_day_last{month{ 9}}}.day() == day{30}, "");
43 static_assert( year_month_day_last{year{2020}, month_day_last{month{10}}}.day() == day{31}, "");
44 static_assert( year_month_day_last{year{2020}, month_day_last{month{11}}}.day() == day{30}, "");
45 static_assert( year_month_day_last{year{2020}, month_day_last{month{12}}}.day() == day{31}, "");
46
47 assert((year_month_day_last{year{2019}, month_day_last{month{ 2}}}.day() == day{28}));
48 assert((year_month_day_last{year{2020}, month_day_last{month{ 2}}}.day() == day{29}));
49 assert((year_month_day_last{year{2021}, month_day_last{month{ 2}}}.day() == day{28}));
50
51 return 0;
52 }
53