@Test
public void testExtractPolygonHole() {

    String wktText = "POLYGON ((35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30))";
    WKTReader expResult = new WKTReader("polygon", "", "(35 10, 45 45, 15 40, 10 20, 35 10),(20 30, 35 35, 30 20, 20 30)");
    WKTReader result = WKTReader.extract(wktText);
    //
    //
    assertEquals(expResult, result);
}