ren.hankai.cordwood.core.util.DateUtilTest.java Source code

Introduction

Here is the source code for ren.hankai.cordwood.core.util.DateUtilTest.java

Source

/*******************************************************************************
 * Copyright (C) 2018 hankai
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 ******************************************************************************/

package ren.hankai.cordwood.core.util;

import org.apache.commons.lang3.time.DateUtils;
import org.junit.Assert;
import org.junit.Test;

import java.util.Calendar;
import java.util.Date;

/**
 * 
 *
 * @author hankai
 * @version 1.0.0
 * @since Nov 30, 2018 4:59:10 PM
 */
public class DateUtilTest {

    @Test
    public void testThisMonth() {
        final Date[] dates = DateUtil.thisMonth();
        Assert.assertNotNull(dates);
        Assert.assertEquals(2, dates.length);
        final Calendar cal = Calendar.getInstance();
        final int thisMonth = cal.get(Calendar.MONTH);
        for (final Date date : dates) {
            cal.setTime(date);
            Assert.assertEquals(thisMonth, cal.get(Calendar.MONTH));
        }
    }

    @Test
    public void testThisMonthWithDate() {
        Date now = new Date();
        final int testDays = 365 * 100;
        for (int i = 1; i <= testDays; i++) {
            now = DateUtils.addDays(now, i);
            final Date[] dates = DateUtil.thisMonth(now);
            Assert.assertNotNull(dates);
            Assert.assertEquals(2, dates.length);
            final Calendar cal = Calendar.getInstance();
            cal.setTime(now);
            final int thisMonth = cal.get(Calendar.MONTH);
            for (final Date date : dates) {
                cal.setTime(date);
                Assert.assertEquals(thisMonth, cal.get(Calendar.MONTH));
            }
        }
    }

}