AllDayUtilTest.java

/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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 org.jasig.portlet.calendar.util;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import org.junit.Test;

public class AllDayUtilTest {

  @Test
  public void testIsAllDayWesternEvent() throws ParseException {
    allDayEvent(TimeZone.getTimeZone("America/Los_Angeles"));
  }

  @Test
  public void testIsAllDayEasternEvent() throws ParseException {
    allDayEvent(TimeZone.getTimeZone("Europe/Moscow"));
  }

  public void allDayEvent(TimeZone timezone) throws ParseException {
    DateFormat df = new SimpleDateFormat("MM'/'dd'/'yyyy");

    Calendar cal = Calendar.getInstance();
    cal.setTime(df.parse("12/31/2009"));
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.MINUTE, 0);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 1);
    cal.setTimeZone(TimeZone.getTimeZone("UTC"));
    cal.add(Calendar.MILLISECOND, -timezone.getOffset(cal.getTimeInMillis()));

    Date start = cal.getTime();

    cal.add(Calendar.DATE, 1);
    Date end = cal.getTime();

    boolean isAllDay = AllDayUtil.isAllDayEvent(start, end, timezone);
    assert isAllDay;
  }
}