@Test
public void testBottomDataPropertyNegative() {
OWLDataPropertyExpression prop = DataProperty(getIRI("prop"));
assertFalse(prop.isOWLBottomDataProperty());
}
@Test
public void testBottomDataPropertyPositive() {
OWLDataPropertyExpression prop = Factory.getFactory().getOWLBottomDataProperty();
assertTrue(prop.isOWLBottomDataProperty());
}