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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
//===----------------------------------------------------------------------===//
//
// 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++03, c++11, c++14, c++17
// <chrono>
// class year_month;
// constexpr bool operator==(const year_month& x, const year_month& y) noexcept;
// Returns: x.year() == y.year() && x.month() == y.month().
//
// constexpr bool operator< (const year_month& x, const year_month& y) noexcept;
// Returns:
// If x.year() < y.year() returns true.
// Otherwise, if x.year() > y.year() returns false.
// Otherwise, returns x.month() < y.month().
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_comparisons.h"
int main(int, char**)
{
using year = std::chrono::year;
using month = std::chrono::month;
using year_month = std::chrono::year_month;
AssertComparisonsAreNoexcept<year_month>();
AssertComparisonsReturnBool<year_month>();
static_assert( testComparisons(
year_month{year{1234}, std::chrono::January},
year_month{year{1234}, std::chrono::January},
true, false), "");
static_assert( testComparisons(
year_month{year{1234}, std::chrono::January},
year_month{year{1234}, std::chrono::February},
false, true), "");
static_assert( testComparisons(
year_month{year{1234}, std::chrono::January},
year_month{year{1235}, std::chrono::January},
false, true), "");
// same year, different months
for (unsigned i = 1; i < 12; ++i)
for (unsigned j = 1; j < 12; ++j)
assert((testComparisons(
year_month{year{1234}, month{i}},
year_month{year{1234}, month{j}},
i == j, i < j )));
// same month, different years
for (int i = 1000; i < 2000; ++i)
for (int j = 1000; j < 2000; ++j)
assert((testComparisons(
year_month{year{i}, std::chrono::January},
year_month{year{j}, std::chrono::January},
i == j, i < j )));
return 0;
}
|
