56 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 ok() const noexcept;14// Returns: min() <= y_ && y_ <= max().15//16// static constexpr year min() noexcept;17// Returns year{ 32767};18// static constexpr year max() noexcept;19// Returns year{-32767};20 21#include <chrono>22#include <cassert>23#include <type_traits>24#include <utility>25 26#include "test_macros.h"27 28int main(int, char**)29{30 using year = std::chrono::year;31 32 ASSERT_NOEXCEPT( std::declval<const year>().ok());33 ASSERT_SAME_TYPE(bool, decltype(std::declval<const year>().ok()));34 35 ASSERT_NOEXCEPT( year::max());36 ASSERT_SAME_TYPE(year, decltype(year::max()));37 38 ASSERT_NOEXCEPT( year::min());39 ASSERT_SAME_TYPE(year, decltype(year::min()));40 41 static_assert(static_cast<int>(year::min()) == -32767, "");42 static_assert(static_cast<int>(year::max()) == 32767, "");43 44 assert(year{-20001}.ok());45 assert(year{ -2000}.ok());46 assert(year{ -1}.ok());47 assert(year{ 0}.ok());48 assert(year{ 1}.ok());49 assert(year{ 2000}.ok());50 assert(year{ 20001}.ok());51 52 static_assert(!year{-32768}.ok(), "");53 54 return 0;55}56