@Test
public void testYoungBus_TownBus_Metro() throws Exception {
// Given
Passenger young = new YoungAdult();
// When
young.addVehicle(new Bus_Town(young));
young.addVehicle(new Bus_Metro(young));
double fee = young.calcFee();
// Then
assertEquals(1700, fee, 0);
}
@Test
public void testAdultBusBus_Metro() throws Exception {
// Given
Passenger adult = new Adult();
// When
adult.addVehicle(new Bus(new Point(0, 0), new Point(0, 20)));
adult.addVehicle(new Bus_Metro(adult));
double fee = adult.calcFee();
// Then
assertEquals(1900, fee, 0);
}