1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <chrono>
// class year_month_day_last;
// constexpr bool ok() const noexcept;
// Returns: m_.ok() && y_.ok().
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using year = std::chrono::year;
using month = std::chrono::month;
using month_day_last = std::chrono::month_day_last;
using year_month_day_last = std::chrono::year_month_day_last;
constexpr month January = std::chrono::January;
ASSERT_NOEXCEPT( std::declval<const year_month_day_last>().ok());
ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_day_last>().ok()));
static_assert(!year_month_day_last{year{-32768}, month_day_last{month{}}}.ok(), ""); // both bad
static_assert(!year_month_day_last{year{-32768}, month_day_last{January}}.ok(), ""); // Bad year
static_assert(!year_month_day_last{year{2019}, month_day_last{month{}}}.ok(), ""); // Bad month
static_assert( year_month_day_last{year{2019}, month_day_last{January}}.ok(), ""); // All OK
for (unsigned i = 0; i <= 50; ++i)
{
year_month_day_last ym{year{2019}, month_day_last{month{i}}};
assert( ym.ok() == month{i}.ok());
}
const int ymax = static_cast<int>(year::max());
for (int i = ymax - 100; i <= ymax + 100; ++i)
{
year_month_day_last ym{year{i}, month_day_last{January}};
assert( ym.ok() == year{i}.ok());
}
return 0;
}
|
