GeometryOperationServiceImplTest.java

/*
 * This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
 *
 * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium.
 *
 * The program is available in open source according to the GNU Affero
 * General Public License. All contributions in this program are covered
 * by the Geomajas Contributors License Agreement. For full licensing
 * details, see LICENSE.txt in the project root.
 */

package org.geomajas.gwt2.client.service;

import com.google.gwt.core.client.Callback;
import junit.framework.Assert;
import org.geomajas.geometry.Bbox;
import org.geomajas.geometry.Coordinate;
import org.geomajas.geometry.Geometry;
import org.junit.Before;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

/**
 * Test case testing the method bounds() in the {@link GeometryOperationService}. Other methods call Gwt.create()
 * (through GwtCommandDispatcher.getInstance()) so these are not tested here.
 *
 * @author Pieter De Graef
 */
public class GeometryOperationServiceImplTest {

	private GeometryOperationService service = new GeometryOperationServiceImpl();

	@Before
	public void before() {

	}

	@Test
	public void testBounds() {
		List<Geometry> geometries = new ArrayList<Geometry>();

		Geometry upperLeft = new Geometry(Geometry.LINE_STRING, 2, 0);
		upperLeft.setCoordinates(new Coordinate[] {
				new Coordinate(0, 200), new Coordinate(50, 300)
		});
		geometries.add(upperLeft);

		Geometry upperRight = new Geometry(Geometry.POINT, 3, 0);
		upperRight.setCoordinates(new Coordinate[] {
				new Coordinate(500, 500)
		});
		geometries.add(upperRight);

		Geometry lowerRight = new Geometry(Geometry.POINT, 3, 0);
		lowerRight.setCoordinates(new Coordinate[] {
				new Coordinate(500, 150)
		});
		geometries.add(lowerRight);

		Geometry lowerLeft = new Geometry(Geometry.POLYGON, 1, 0);
		Geometry linearRing = new Geometry(Geometry.LINEAR_RING, 1, 0);
		linearRing.setCoordinates(new Coordinate[] {
				new Coordinate(0, 0), new Coordinate(0, 10), new Coordinate(5, 10), new Coordinate(0, 0)
		});
		lowerLeft.setGeometries(new Geometry[] { linearRing });
		geometries.add(lowerLeft);
		service.bounds(geometries, new Callback<Bbox, Throwable>() {

			public void onSuccess(Bbox result) {
				Assert.assertEquals(0.0d, result.getX());
				Assert.assertEquals(0.0d, result.getY());
				Assert.assertEquals(500d, result.getMaxX());
				Assert.assertEquals(500d, result.getMaxY());
			}

			public void onFailure(Throwable reason) {
			}
		});
	}

	@Test
	public void testBounds1() {
		List<Geometry> geometries = new ArrayList<Geometry>();

		Geometry upperLeft = new Geometry(Geometry.LINE_STRING, 2, 0);
		upperLeft.setCoordinates(new Coordinate[] {
				new Coordinate(0, 200), new Coordinate(50, 300)
		});
		geometries.add(upperLeft);

		Geometry upperRight = new Geometry(Geometry.POINT, 3, 0);
		upperRight.setCoordinates(new Coordinate[] {
				new Coordinate(500, 500)
		});
		geometries.add(upperRight);

		Geometry lowerRight = new Geometry(Geometry.POINT, 3, 0);
		lowerRight.setCoordinates(new Coordinate[] {
				new Coordinate(500, -150)
		});
		geometries.add(lowerRight);

		Geometry lowerLeft = new Geometry(Geometry.POLYGON, 1, 0);
		Geometry linearRing = new Geometry(Geometry.LINEAR_RING, 1, 0);
		linearRing.setCoordinates(new Coordinate[] {
				new Coordinate(-30, 0), new Coordinate(0, 10), new Coordinate(5, 10), new Coordinate(-30, 0)
		});
		lowerLeft.setGeometries(new Geometry[] { linearRing });
		geometries.add(lowerLeft);
		service.bounds(geometries, new Callback<Bbox, Throwable>() {

			public void onSuccess(Bbox result) {
				Assert.assertEquals(-30d, result.getX());
				Assert.assertEquals(-150d, result.getY());
				Assert.assertEquals(500d, result.getMaxX());
				Assert.assertEquals(500d, result.getMaxY());
			}

			public void onFailure(Throwable reason) {
			}
		});
	}
}