TestDateTime.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

import "BokkyPooBahsDateTimeLibrary.sol";

// ----------------------------------------------------------------------------
// Testing BokkyPooBah's DateTime Library
//
// https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary
//
// Enjoy. (c) BokkyPooBah / Bok Consulting Pty Ltd 2018-2019. The MIT Licence.
// ----------------------------------------------------------------------------

contract TestDateTime {
    using BokkyPooBahsDateTimeLibrary for uint;

    uint public nextYear;

    function test() public {
        uint today = now;
        nextYear = today.addYears(1);
    }

    function timestampFromDate(uint year, uint month, uint day) public pure returns (uint timestamp) {
        return BokkyPooBahsDateTimeLibrary.timestampFromDate(year, month, day);
    }
    function timestampFromDateTime(uint year, uint month, uint day, uint hour, uint minute, uint second) public pure returns (uint timestamp) {
        return BokkyPooBahsDateTimeLibrary.timestampFromDateTime(year, month, day, hour, minute, second);
    }
    function timestampToDate(uint timestamp) public pure returns (uint year, uint month, uint day) {
        (year, month, day) = BokkyPooBahsDateTimeLibrary.timestampToDate(timestamp);
    }
    function timestampToDateTime(uint timestamp) public pure returns (uint year, uint month, uint day, uint hour, uint minute, uint second) {
        (year, month, day, hour, minute, second) = BokkyPooBahsDateTimeLibrary.timestampToDateTime(timestamp);
    }

    function isLeapYear(uint timestamp) public pure returns (bool leapYear) {
        leapYear = BokkyPooBahsDateTimeLibrary.isLeapYear(timestamp);
    }
    function _isLeapYear(uint year) public pure returns (bool leapYear) {
        leapYear = BokkyPooBahsDateTimeLibrary._isLeapYear(year);
    }
    function isWeekDay(uint timestamp) public pure returns (bool weekDay) {
        weekDay = BokkyPooBahsDateTimeLibrary.isWeekDay(timestamp);
    }
    function isWeekEnd(uint timestamp) public pure returns (bool weekEnd) {
        weekEnd = BokkyPooBahsDateTimeLibrary.isWeekEnd(timestamp);
    }

    function getDaysInMonth(uint timestamp) public pure returns (uint daysInMonth) {
        daysInMonth = BokkyPooBahsDateTimeLibrary.getDaysInMonth(timestamp);
    }
    function _getDaysInMonth(uint year, uint month) public pure returns (uint daysInMonth) {
        daysInMonth = BokkyPooBahsDateTimeLibrary._getDaysInMonth(year, month);
    }
    function getDayOfWeek(uint timestamp) public pure returns (uint dayOfWeek) {
        dayOfWeek = BokkyPooBahsDateTimeLibrary.getDayOfWeek(timestamp);
    }

    function isValidDate(uint year, uint month, uint day) public pure returns (bool valid) {
        valid = BokkyPooBahsDateTimeLibrary.isValidDate(year, month, day);
    }
    function isValidDateTime(uint year, uint month, uint day, uint hour, uint minute, uint second) public pure returns (bool valid) {
        valid = BokkyPooBahsDateTimeLibrary.isValidDateTime(year, month, day, hour, minute, second);
    }

    function getYear(uint timestamp) public pure returns (uint year) {
        year = BokkyPooBahsDateTimeLibrary.getYear(timestamp);
    }
    function getMonth(uint timestamp) public pure returns (uint month) {
        month = BokkyPooBahsDateTimeLibrary.getMonth(timestamp);
    }
    function getDay(uint timestamp) public pure returns (uint day) {
        day = BokkyPooBahsDateTimeLibrary.getDay(timestamp);
    }
    function getHour(uint timestamp) public pure returns (uint hour) {
        hour = BokkyPooBahsDateTimeLibrary.getHour(timestamp);
    }
    function getMinute(uint timestamp) public pure returns (uint minute) {
        minute = BokkyPooBahsDateTimeLibrary.getMinute(timestamp);
    }
    function getSecond(uint timestamp) public pure returns (uint second) {
        second = BokkyPooBahsDateTimeLibrary.getSecond(timestamp);
    }

    function addYears(uint timestamp, uint _years) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addYears(timestamp, _years);
    }
    function addMonths(uint timestamp, uint _months) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addMonths(timestamp, _months);
    }
    function addDays(uint timestamp, uint _days) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addDays(timestamp, _days);
    }
    function addHours(uint timestamp, uint _hours) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addHours(timestamp, _hours);
    }
    function addMinutes(uint timestamp, uint _minutes) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addMinutes(timestamp, _minutes);
    }
    function addSeconds(uint timestamp, uint _seconds) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.addSeconds(timestamp, _seconds);
    }

    function subYears(uint timestamp, uint _years) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subYears(timestamp, _years);
    }
    function subMonths(uint timestamp, uint _months) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subMonths(timestamp, _months);
    }
    function subDays(uint timestamp, uint _days) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subDays(timestamp, _days);
    }
    function subHours(uint timestamp, uint _hours) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subHours(timestamp, _hours);
    }
    function subMinutes(uint timestamp, uint _minutes) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subMinutes(timestamp, _minutes);
    }
    function subSeconds(uint timestamp, uint _seconds) public pure returns (uint newTimestamp) {
        newTimestamp = BokkyPooBahsDateTimeLibrary.subSeconds(timestamp, _seconds);
    }

    function diffYears(uint fromTimestamp, uint toTimestamp) public pure returns (uint _years) {
        _years = BokkyPooBahsDateTimeLibrary.diffYears(fromTimestamp, toTimestamp);
    }
    function diffMonths(uint fromTimestamp, uint toTimestamp) public pure returns (uint _months) {
        _months = BokkyPooBahsDateTimeLibrary.diffMonths(fromTimestamp, toTimestamp);
    }
    function diffDays(uint fromTimestamp, uint toTimestamp) public pure returns (uint _days) {
        _days = BokkyPooBahsDateTimeLibrary.diffDays(fromTimestamp, toTimestamp);
    }
    function diffHours(uint fromTimestamp, uint toTimestamp) public pure returns (uint _hours) {
        _hours = BokkyPooBahsDateTimeLibrary.diffHours(fromTimestamp, toTimestamp);
    }
    function diffMinutes(uint fromTimestamp, uint toTimestamp) public pure returns (uint _minutes) {
        _minutes = BokkyPooBahsDateTimeLibrary.diffMinutes(fromTimestamp, toTimestamp);
    }
    function diffSeconds(uint fromTimestamp, uint toTimestamp) public pure returns (uint _seconds) {
        _seconds = BokkyPooBahsDateTimeLibrary.diffSeconds(fromTimestamp, toTimestamp);
    }
}