/**
 * AnalyzerBeans
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.eobjects.analyzer.beans.dategap;

import java.util.SortedSet;
import java.util.TreeSet;

import org.eobjects.analyzer.beans.dategap.TimeInterval;

import junit.framework.TestCase;

public class TimeIntervalTest extends TestCase {

	public void testCompareTo() throws Exception {
		TimeInterval ti1 = new TimeInterval(100l, 200l);
		TimeInterval ti2 = new TimeInterval(100l, 300l);
		TimeInterval ti3 = new TimeInterval(200l, 300l);

		assertTrue(ti1.before(ti2));
		assertTrue(ti1.before(ti3));
		assertTrue(ti2.before(ti3));

		SortedSet<TimeInterval> sortedSet = new TreeSet<TimeInterval>();
		sortedSet.add(ti1);
		sortedSet.add(ti2);
		sortedSet.add(ti3);

		assertEquals(
				"[TimeInterval[100->200], TimeInterval[100->300], TimeInterval[200->300]]",
				sortedSet.toString());
	}

	public void testMerge() throws Exception {
		TimeInterval interval;

		interval = TimeInterval.merge(new TimeInterval(100l, 200l),
				new TimeInterval(150l, 250l));
		assertEquals(100l, interval.getFrom());
		assertEquals(250l, interval.getTo());

		interval = TimeInterval.merge(new TimeInterval(200l, 220l),
				new TimeInterval(150l, 250l));
		assertEquals(150l, interval.getFrom());
		assertEquals(250l, interval.getTo());

		interval = TimeInterval.merge(new TimeInterval(100l, 200l),
				new TimeInterval(220l, 250l));
		assertEquals(100l, interval.getFrom());
		assertEquals(250l, interval.getTo());
	}

	public void testOverlapsWith() throws Exception {
		TimeInterval ti1 = new TimeInterval(100l, 200l);
		assertTrue(ti1.overlapsWith(ti1));

		TimeInterval ti2 = new TimeInterval(150l, 250l);
		assertTrue(ti1.overlapsWith(ti2));
		assertTrue(ti2.overlapsWith(ti1));

		TimeInterval ti3 = new TimeInterval(250l, 300l);
		assertFalse(ti1.overlapsWith(ti3));
		assertFalse(ti3.overlapsWith(ti1));
		
		TimeInterval ti4 = new TimeInterval(100l, 150l);
		assertTrue(ti1.overlapsWith(ti4));
		assertTrue(ti4.overlapsWith(ti1));
	}
}