/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.geometry.iso.coordinate;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.geotools.geometry.GeometryBuilder;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.coordinate.PointArray;
import org.opengis.geometry.coordinate.Position;
/**
*
*
* @source $URL$
*/
public class PointArrayTest extends TestCase {
public void testMain() {
GeometryBuilder builder = new GeometryBuilder(DefaultGeographicCRS.WGS84);
this._test1(builder);
}
private void _test1(GeometryBuilder builder) {
GeometryFactoryImpl tCoordFactory = (GeometryFactoryImpl) builder.getGeometryFactory();
PositionImpl p1 = new PositionImpl(tCoordFactory.createDirectPosition(new double[]{-50, 0}));
PositionImpl p2 = new PositionImpl(tCoordFactory.createDirectPosition(new double[]{-30, 30}));
PositionImpl p3 = new PositionImpl(tCoordFactory.createDirectPosition(new double[]{0, 50}));
PositionImpl p4 = new PositionImpl(tCoordFactory.createDirectPosition(new double[]{30, 30}));
PositionImpl p5 = new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 0}));
List<Position> posList = new ArrayList<Position>();
PointArray pa = null;
// Testing Illegal Constructor call
try {
pa = tCoordFactory.createPointArray(posList);
} catch (IllegalArgumentException e) {
//
}
assertTrue(pa==null);
posList.add(p1);
posList.add(p2);
posList.add(p3);
posList.add(p4);
posList.add(p5);
// Legal Constructor call
pa = tCoordFactory.createPointArray(posList);
// PointArray.length()
assertTrue(pa.size() == 5);
// PointArray.positions()
assertTrue(pa.size() == 5);
// get-method creates new DP instance
DirectPosition directPosition = pa.getDirectPosition(0, null);
////System.out.println(dp);
assertTrue(directPosition.getOrdinate(0) == -50);
assertTrue(directPosition.getOrdinate(1) == 0);
DirectPosition directPositionAt4 = pa.getDirectPosition(4, directPosition);
////System.out.println(dp);
assertTrue(directPosition.getOrdinate(0) == 50);
assertTrue(directPosition.getOrdinate(1) == 0);
// get-method uses the same DirectPosition without creating new instance
assertTrue(directPositionAt4 == directPosition);
DirectPosition directPositionAddition = tCoordFactory.createDirectPosition(new double[]{5, 5});
pa.setDirectPosition(4, directPositionAddition); // test to see of object or values is stored
DirectPosition directPositionAt4mk2 = pa.getDirectPosition(4, directPosition); // retrive
assertEquals( "Same values as we put into 4", directPositionAt4mk2, directPositionAddition );
assertNotSame( "Not the same object we put into 4", directPositionAt4mk2, directPositionAddition );
assertEquals( directPositionAt4mk2, directPositionAddition );
// BEFORE
assertEquals( 5.0, directPosition.getOrdinate(0) );
assertEquals( 5.0, directPosition.getOrdinate(1) );
// Check if the values were copied and not referenced (by modifying the ordinates)
// Modify values set into position 4
directPositionAddition.setOrdinate( 0, 2);
// retrive values from position 4 again
DirectPosition directPositionAt4mk3 = pa.getDirectPosition(4, directPosition);
assertEquals( "check if position is independent", 5.0, directPositionAt4mk3.getOrdinate(0) );
double[] coord = ((PointArrayImpl)pa).getCoordinate(0);
//System.out.print(coord[0] + "|" + coord[1]);
// .isEmpty() and remove(int)
assertTrue(!((PointArrayImpl)pa).isEmpty());
((PointArrayImpl)pa).removePosition(((PointArrayImpl)pa).get(3));
((PointArrayImpl)pa).remove(0);
((PointArrayImpl)pa).remove(0);
((PointArrayImpl)pa).remove(0);
((PointArrayImpl)pa).remove(0);
assertTrue(((PointArrayImpl)pa).isEmpty());
}
}