}
private void _testRing1(GeometryBuilder builder) {
GeometryFactoryImpl tCoordFactory = (GeometryFactoryImpl) builder.getGeometryFactory();
PrimitiveFactoryImpl tPrimFactory = (PrimitiveFactoryImpl) builder.getPrimitiveFactory();
/* Defining Positions for LineStrings */
ArrayList<Position> line1 = new ArrayList<Position>();
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{30, 30})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 50})));
line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));
ArrayList<Position> line2 = new ArrayList<Position>();
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{40, 80})));
line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));
ArrayList<Position> line3 = new ArrayList<Position>();
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{90, 70})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 60})));
line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));
ArrayList<Position> line4 = new ArrayList<Position>();
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{80, 30})));
line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
/* Setting up Array of these LineStrings */
ArrayList<CurveSegment> tLineList1 = new ArrayList<CurveSegment>();
tLineList1.add(tCoordFactory.createLineString(line1));
tLineList1.add(tCoordFactory.createLineString(line2));
ArrayList<CurveSegment> tLineList2 = new ArrayList<CurveSegment>();
tLineList2.add(tCoordFactory.createLineString(line3));
tLineList2.add(tCoordFactory.createLineString(line4));
/* Build Curve */
CurveImpl curve1 = tPrimFactory.createCurve(tLineList1);
CurveImpl curve2 = tPrimFactory.createCurve(tLineList2);