def testContains(self):
linkedList = DblLinkedList()
self.assertFalse(linkedList.contains(2))
linkedList.addLast(2)
linkedList.addLast(3)
linkedList.add(1, 5)
self.assertFalse(linkedList.contains(1))
self.assertTrue(linkedList.contains(2))
self.assertTrue(linkedList.contains(3))
self.assertTrue(linkedList.contains(5))
def testRemoveAtIndex(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
linkedList.addLast(3)
linkedList.addLast(5)
self.assertEqual(3, linkedList.removeAtIndex(1))
self.assertEqual(2, linkedList.getSize())
def testRemove(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
linkedList.addLast(3)
linkedList.addLast(5)
self.assertEqual(5, linkedList.remove(5))
self.assertEqual(2, linkedList.getSize())
def testAdd(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
linkedList.addLast(3)
linkedList.add(1, 5)
self.assertEqual(3, linkedList.size)
self.assertEqual(linkedList.getAtIndex(1), 5)
def testAddLast(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
linkedList.addLast(3)
self.assertEqual(2, linkedList.size)
self.assertEqual(linkedList.getFirst(), 2)
self.assertEqual(linkedList.getLast(), 3)
def testIsEmpty(self):
linkedList = DblLinkedList()
self.assertTrue(linkedList.isEmpty())
def testRemoveLast(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
linkedList.addLast(3)
self.assertEqual(3, linkedList.removeLast())
self.assertEqual(1, linkedList.getSize())
def testClear(self):
linkedList = DblLinkedList()
linkedList.addLast(2)
self.assertFalse(linkedList.isEmpty())
linkedList.clear()
self.assertTrue(linkedList.isEmpty())
def testIsEmptyNot(self):
linkedList = DblLinkedList()
linkedList.addFirst(2)
self.assertFalse(linkedList.isEmpty())
