def test1(self):
ll1 = LinkedList([7,1,6])
ll2 = LinkedList([5,9, 2])
h1 = ll1.head
h2 = ll2.head
sum = sum_lists(h1,h2)
sum2 = sum
while(sum != None):
print(sum)
sum = sum.next
self.assertEqual(str(sum2),"Node(9)->Node(1)")
self.assertEqual(str(sum2.next), "Node(1)->Node(2)")
self.assertEqual(str(sum2.next.next), "Node(2)->None")
def test2(self):
ll = LinkedList([1, 2, 3, 4, 5])
c = ll.head.next.next.next.next
print(c) #Node(5)
print(ll)
delete_mid_node(c)
print(ll)
self.assertEqual(str(ll), "Node(1)->Node(2)->Node(3)->Node(4)")
def test1(self):
ll = LinkedList([1, 2, 3, 4])
r = ll.head
remove_dups(r)
self.assertEqual(r.val, 1)
self.assertEqual(r.next.val, 2)
self.assertEqual(r.next.next.val, 3)
self.assertEqual(r.next.next.next.val, 4)
def test2(self):
ll = LinkedList([1, 1, 2, 3, 2, 1])
r = ll.head
print(ll)
print("**")
remove_dups(r)
print(ll)
self.assertEqual(r.val, 1)
self.assertEqual(r.next.val, 2)
self.assertEqual(r.next.next.val, 3)
self.assertEqual(r.next.next.next, None)
def testLinkedListCreation(self):
ll = LinkedList([1, 2, 3, 4])
print(ll)
def test3(self):
ll = LinkedList()
r = ll.head
remove_dups(r)
print(r)
self.assertEqual(r.val, None)