@Test
public void testAddFront() {
assertEquals("<>", deque.toString());
deque.addFront(3);
deque.addFront(7);
deque.addFront(4);
assertEquals("<4, 7, 3>", deque.toString());
}
@Test
public void testSize() {
assertEquals(0, deque.size());
deque.addFront(3);
assertEquals(1, deque.size());
deque.addFront(7);
assertEquals(2, deque.size());
deque.removeFront();
assertEquals(1, deque.size());
deque.removeFront();
assertEquals(0, deque.size());
}
@Test
public void testAddThenRemove() {
deque.addBack(3);
assertEquals(new Integer(3), deque.removeBack());
deque.addFront(7);
assertEquals(new Integer(7), deque.removeBack());
assertTrue(deque.isEmpty());
}
@Test
public void testIsEmpty() {
assertTrue(deque.isEmpty());
deque.addFront(3);
assertFalse(deque.isEmpty());
deque.removeFront();
assertTrue(deque.isEmpty());
}
