GeometryOperatorList implements GeometryOperator { @Override public String toString() { return "GeometryOperator{" + "operatorList=" + operatorList + '}'; } GeometryOperatorList(List<GeometryOperator> operatorList); @Override Geometry apply(Geometry t, Context context); @Override String toString();  }
@Test public void testToString() { assertThat(geometryOperatorList.toString(), notNullValue()); }