@Test
	public void testRoomSetConstructorBadInput() {
		try {
			Room r2 = new Room(null); //null test
			fail("IllegalArgumentException was expected");
		}
		catch (IllegalArgumentException e){
			//exception expected
		}
		try {
			Room r2 = new Room(s); //empty set test
			fail("IllegalArgumentException was expected");
		}
		catch (IllegalArgumentException e){
			//exception expected
		}
	}