def testClear(self): linkedList = DblLinkedList() linkedList.addLast(2) self.assertFalse(linkedList.isEmpty()) linkedList.clear() self.assertTrue(linkedList.isEmpty())
def testIsEmpty(self): linkedList = DblLinkedList() self.assertTrue(linkedList.isEmpty())
def testIsEmptyNot(self): linkedList = DblLinkedList() linkedList.addFirst(2) self.assertFalse(linkedList.isEmpty())