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 month;
12
13// constexpr bool operator==(const month& x, const month& y) noexcept;
14// constexpr strong_ordering operator<=>(const month& x, const month& y) noexcept;
15
16#include <chrono>
17#include <type_traits>
18#include <cassert>
19
20#include "test_macros.h"
21#include "test_comparisons.h"
22
23constexpr bool test() {
24 using month = std::chrono::month;
25
26 // Validate invalid values. The range [0, 255] is guaranteed to be allowed.
27 assert(testOrderValues<month>(0U, 0U));
28 assert(testOrderValues<month>(0U, 1U));
29 assert(testOrderValues<month>(254U, 255U));
30 assert(testOrderValues<month>(255U, 255U));
31
32 // Validate some valid values.
33 for (unsigned i = 1; i <= 12; ++i)
34 for (unsigned j = 1; j <= 12; ++j)
35 assert(testOrderValues<month>(i, j));
36
37 return true;
38}
39
40int main(int, char**) {
41 using month = std::chrono::month;
42 AssertOrderAreNoexcept<month>();
43 AssertOrderReturn<std::strong_ordering, month>();
44
45 test();
46 static_assert(test());
47
48 return 0;
49}
50

source code of libcxx/test/std/time/time.cal/time.cal.month/time.cal.month.nonmembers/comparisons.pass.cpp