/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * JBoss, Home of Professional Open Source
 * Copyright 2012 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * 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,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
package org.hibernate.search.test.spatial;

import org.junit.Assert;
import org.junit.Test;

import org.hibernate.search.spatial.impl.Point;

/**
 * Unit tests for Hibernate Search Spatial point implementation
 *
 * @author Nicolas Helleringer <nicolas.helleringer@novacodex.net>
 */
public class PointTest {
	@Test
	public void normalizeTest() {
		Point point = Point.fromDegrees( 45, 517 );
		Assert.assertEquals( 45, point.getLatitude(), 0 );
		Assert.assertEquals( 157, point.getLongitude(), 0 );

		Point point2 = Point.fromDegrees( 0, -185 );
		Assert.assertEquals( 175, point2.getLongitude(), 0 );

		Point point3= Point.fromDegrees( 110, 0 );
		Assert.assertEquals( 70, point3.getLatitude(), 0 );

		Point point4= Point.fromDegrees( -110, 0 );
		Assert.assertEquals( -70, point4.getLatitude(), 0 );

		Point point5= Point.fromDegrees( 185, 0 );
		Assert.assertEquals( -5, point5.getLatitude(), 0 );

		Point point6= Point.fromDegrees( 90, 180);
		Assert.assertEquals( 90, point6.getLatitude(), 0 );
		Assert.assertEquals( 180, point6.getLongitude(), 0 );

		Point point7= Point.fromDegrees( -90, -180);
		Assert.assertEquals( -90, point7.getLatitude(), 0 );
		Assert.assertEquals( 180, point7.getLongitude(), 0 );
	}

	@Test
	public void computeDestinationTest() {
		Point point = Point.fromDegrees( 45, 4 );

		Point destination = point.computeDestination( 100, 45 );

		Assert.assertEquals( 0.796432523, destination.getLatitudeRad(), 0.00001 );
		Assert.assertEquals( 0.08568597, destination.getLongitudeRad(), 0.00001 );
	}

	@Test
	public void distanceToPoint() {
		Point point = Point.fromDegrees( 45, 4 );
		Point point2 = Point.fromDegrees( 46, 14 );

		double distance = point.getDistanceTo( point2 );

		Assert.assertEquals( 786.7, distance, 0.1 );
	}
}