def testCopyList(self):
B = LinkedList()
B = self.A.copyList()
self.A.append(4)
B.append(5)
expAResult = "HEAD < [1]->(2) [2]->(3) [3]->(4) [4]->(None) > TAIL"
expBResult = "HEAD < [1]->(2) [2]->(3) [3]->(5) [5]->(None) > TAIL"
Aresult = str(self.A)
Bresult = str(B)
self.assertEqual(expAResult, Aresult)
self.assertEqual(expBResult, Bresult)
self.assertNotEqual(Aresult, Bresult)
print("\ntestCopyList PASSED!")
def testEmpty(self):
emptyList = LinkedList()
expResult = "HEAD <> TAIL"
result = str(emptyList)
self.assertEqual(result, expResult)
print("\ntestEmpty PASSED!")
def setUp(self):
self.A = LinkedList()
for data in [3, 2, 1]:
self.A.insert(data)
