code: /*******************************************************************************
   * Copyright 2018 572682
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License.  You may obtain a copy
   * of the License at
   * 
   *   http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations under
   * the License.
   ******************************************************************************/
  package us.dot.its.jpo.ode.util;
  
  import java.text.ParseException;
  import java.time.ZoneOffset;
  import java.time.ZonedDateTime;
  import java.time.format.DateTimeFormatter;
  
  import org.junit.Test;
  
  import junit.framework.TestCase;
  import us.dot.its.jpo.ode.util.DateTimeUtils;
  
  public class DateTimeUtilsTest extends TestCase {
  
      @Test
     public void testIsoDateTime() throws ParseException {
        ZonedDateTime expectedDate = ZonedDateTime.now(ZoneOffset.UTC);
        String sExpectedDate = DateTimeUtils.isoDateTime(expectedDate);
        String sdate = DateTimeUtils.isoDateTime(
              expectedDate.getYear(), 
              expectedDate.getMonthValue(), 
              expectedDate.getDayOfMonth(),
              expectedDate.getHour(),
              expectedDate.getMinute(),
              expectedDate.getSecond(),
              expectedDate.getNano()/1000000).format(DateTimeFormatter.ISO_INSTANT);
        
        assertEquals(sExpectedDate.substring(0, 18), sdate.substring(0, 18));
        ZonedDateTime date2 = DateTimeUtils.isoDateTime("2015-11-30T16:06:15.679Z");
        assertNotNull(date2);
     }
  }
  