@Test
public void extendPointTest() throws Exception {

	CoordinateReferenceSystem crs;
	Coordinate coordinate;
	Envelope envelope;
	crs = geoService.getCrs("EPSG:900913");
	coordinate = new Coordinate(0, 0);
	envelope = geocoderUtilService.extendPoint(coordinate, crs, 200, 100);
	Assert.assertEquals(-100.00000376900834, envelope.getMinX(), DELTA);
	Assert.assertEquals(-50.33697512339748, envelope.getMinY(), DELTA);
	Assert.assertEquals(100.00000376900834, envelope.getMaxX(), DELTA);
	Assert.assertEquals(50.33697512339748, envelope.getMaxY(), DELTA);
	coordinate = new Coordinate(10000, 10000);
	envelope = geocoderUtilService.extendPoint(coordinate, crs, 200, 100);
	Assert.assertEquals(9899.999874146251, envelope.getMinX(), DELTA);
	Assert.assertEquals(9949.6629648107, envelope.getMinY(), DELTA);
	Assert.assertEquals(10100.000125853749, envelope.getMaxX(), DELTA);
	Assert.assertEquals(10050.3370351893, envelope.getMaxY(), DELTA);
	crs = geoService.getCrs("EPSG:4326");
	coordinate = new Coordinate(0, 0);
	envelope = geocoderUtilService.extendPoint(coordinate, crs, 200, 100);
	Assert.assertEquals(-8.983152841199021E-4, envelope.getMinX(), DELTA);
	Assert.assertEquals(-4.5218473391466234E-4, envelope.getMinY(), DELTA);
	Assert.assertEquals(8.983152841199021E-4, envelope.getMaxX(), DELTA);
	Assert.assertEquals(4.5218473391466234E-4, envelope.getMaxY(), DELTA);
	coordinate = new Coordinate(100, 50);
	envelope = geocoderUtilService.extendPoint(coordinate, crs, 200, 100);
	Assert.assertEquals(99.99860521715158, envelope.getMinX(), DELTA);
	Assert.assertEquals(49.99955048109636, envelope.getMinY(), DELTA);
	Assert.assertEquals(100.00139478284842, envelope.getMaxX(), DELTA);
	Assert.assertEquals(50.00044951890364, envelope.getMaxY(), DELTA);
}