// MoveEntriesTest.java
// Java Spatial Index Library
// Copyright (C) 2011 Aled Morris <aled@users.sourceforge.net>
//
// 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; either
// version 2.1 of the License, or (at your option) any later version.
//
// 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.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.sf.jsi;
import java.util.Properties;
import java.util.Random;
import net.sf.jsi.Rectangle;
import net.sf.jsi.rtree.RTree;
import junit.framework.TestCase;
public class MoveEntriesTest extends TestCase {
Random r = new Random();
public MoveEntriesTest(String name) {
super(name);
r.setSeed(0);
}
private Rectangle nextRect() {
return new Rectangle(r.nextInt(100), r.nextInt(100), r.nextInt(100), r.nextInt(100));
}
public void testMoveEntries() {
run(4, 50, 4, 10);
}
private void run(int minNodeEntries, int maxNodeEntries, int numRects, int numMoves) {
Properties p = new Properties();
p.setProperty("MinNodeEntries", Integer.toString(minNodeEntries));
p.setProperty("MaxNodeEntries", Integer.toString(maxNodeEntries));
RTree rtree = (RTree) SpatialIndexFactory.newInstance("rtree.RTree", p);
Rectangle[] rects = new Rectangle[numRects];
// first add the rects
for (int i = 0; i < numRects; i++) {
rects[i] = nextRect();
rtree.add(rects[i], i);
}
// now move each one in turn
for (int move = 0; move < numMoves; move++) {
for (int i = 0; i < numRects; i++) {
rtree.delete(rects[i], i);
rects[i].set(nextRect());
rtree.add(rects[i], i);
assertTrue(rtree.checkConsistency());
}
}
}
}