@Test
public void clipGeometryDistinctToViewport()
                        throws ParseException {

    final String wkt = "POLYGON ((2 0,3 0,3 3,0 3,0 2,2 2,2 0))";
    final Geometry geometryDistinct = new WKTReader( null ).read( wkt );
    final Geometry clippedGeometry = clipper.clipGeometry( geometryDistinct );
    assertTrue( clippedGeometry == null );
}