@Test
public void testBusHubs() {

	BusHub hub = new BusHub(this.busNetwork, "MYSTATION"); //$NON-NLS-1$
	Iterable<BusHub> hubs;
	Iterator<BusHub> iterator;
	hubs = this.stop.busHubs();
	assertNotNull(hubs);
	iterator = hubs.iterator();
	assertFalse(iterator.hasNext());
	this.stop.addBusHub(hub);
	hubs = this.stop.busHubs();
	assertNotNull(hubs);
	iterator = hubs.iterator();
	assertTrue(iterator.hasNext());
	assertSame(hub, iterator.next());
	assertFalse(iterator.hasNext());
}