@Test
public void testSize() {

	assertEquals(0, this.itinerary.size());
	this.itinerary.addBusHalt(this.halt1,0);
	assertEquals(1, this.itinerary.size());
	this.itinerary.addBusHalt(this.halt1,0);
	assertEquals(1, this.itinerary.size());
	this.itinerary.addBusHalt(this.halt2,1);
	assertEquals(2, this.itinerary.size());
	this.itinerary.removeBusHalt(this.halt1);
	assertEquals(1, this.itinerary.size());
	this.itinerary.removeBusHalt(this.halt2);
	assertEquals(0, this.itinerary.size());
	this.itinerary.removeBusHalt(this.halt1);
	assertEquals(0, this.itinerary.size());
}