@Test public void toEnvelope() { Coordinate[] coords = getPolyCoords(); GeometryFactory gf = new GeometryFactory(); Geometry geom = gf.createPolygon(gf.createLinearRing(coords), null); ReferencedEnvelope refEnv = JTS.toEnvelope(geom); assertTrue(geom.getEnvelopeInternal().equals(refEnv)); }