def testConstructor(self):
box2dWorld = StubBox2dWorld()
car = Car(StubBox2dCarBody())
enemy1 = Enemy(0, 5, 1, 1)
enemy2 = Enemy(5, 8, 1, 1)
enemies = [enemy1, enemy2]
explosion = Explosion(1)
world = World(10, 20, box2dWorld, car, enemies, explosion)
self.assertEquals(10, world.getWidth())
self.assertEquals(20, world.getHeight())
self.assertEquals(car, world.getCar())
self.assertEquals(enemies, world.getEnemies())
self.assertEquals(2, world.getEnemiesCount())
self.assertEquals(explosion, world.getExplosion())
self.assertFalse(world.isCompleted())
