testing 1

public class DatabaseTest {
 Database d;
 @Before
 public void setUpObject(){
  d = new Database();
  d.addItem(new Album("Abbey Road",...));
  d.addItem(new Video("Titanic",...));
 }

 @Test
 public void addVideoNumber(){
  d.addItem(new Video("Your Name",...);
  Assert.assertEquals(d.numItems(),3);
 }

 @Test
 public void removeBadTitle(){
  try{
   d.removeItem("Yeezus");
   Assert.fail("Expected exception");
  } catch (ItemNotFoundException e){ return; }
 }
}