@Test
    public void testAddCard() {
        FiveCardPokerHand hand = new FiveCardPokerHand();
        assertEquals(0, hand.getNumberOfCards());
        assertFalse(hand.isFull());
        
        assertTrue(hand.addCard(new Card(Suit.CLUB, Rank.ACE)));
        assertEquals(1, hand.getNumberOfCards());
        assertFalse(hand.isFull());        
    }