@Test
public void testGettingElementWhichIsNotPresent() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.clear();
BufferedImage im = buffer.getEntry("dasd");
Assert.assertEquals(null, im);
}
@Test
public void testAddingBufferedImageUnderKeyAndRetrievingIt() {
ImagesBuffer buffer = ImagesBuffer.getInstance();
buffer.addEntry("all", "cards.jpg");
BufferedImage image = buffer.getEntry("all");
Assert.assertNotNull(image);
// buffer.splitImagesFromSource("cards.jpg",50,100);
// CardNode node= new CardNode(new Card(Card.Name.ACE,Card.Suit.SPADE));
}