51 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8// UNSUPPORTED: c++03, c++11, c++14, c++179 10// <chrono>11// class year;12 13// constexpr bool operator==(const year& x, const year& y) noexcept;14// constexpr strong_ordering operator<=>(const year& x, const year& 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 year = std::chrono::year;25 26 // Validate valid value. The range [-32768, 32767] is guaranteed to be allowed.27 assert(testOrderValues<year>(-32768, -32768));28 assert(testOrderValues<year>(-32768, -32767));29 // Largest positive30 assert(testOrderValues<year>(32767, 32766));31 assert(testOrderValues<year>(32767, 32767));32 33 // Validate some valid values.34 for (int i = 1; i < 10; ++i)35 for (int j = 1; j < 10; ++j)36 assert(testOrderValues<year>(i, j));37 38 return true;39}40 41int main(int, char**) {42 using year = std::chrono::year;43 AssertOrderAreNoexcept<year>();44 AssertOrderReturn<std::strong_ordering, year>();45 46 test();47 static_assert(test());48 49 return 0;50}51