@Test
public void testExtractPolygon() {

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