import org.junit.*;

public class QueueTest {

  Queue q;

  @Before
  public void setUp() {
    q = new Queue(5);
  }

  @After
  public void tearDown() {
    q = null;
  }

  @Test
  public void testIsEmptyOnEmpty() {

  }

  @Test
  public void testIsEmpty() {

  }

  @Test
  public void testHasCapacityOnEmpty() {

  }

  @Test
  public void testHasCapacityOnFull() {

  }

  @Test
  public void testEnqueueOnEmpty() {

  }

  @Test
  public void testEnqueueOnFull() {

  }

  @Test
  public void testDequeueOnEmpty() {

  }

  @Test
  public void testDequeueOnFull() {

  }
}

Add Queue skeleton test cases.