@Test
public void clipGeometryPartiallyIntersectingViewport()
                        throws ParseException {

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