sll.insert(1) sll.insert(2) sll.insert(3) sll.delete(2) assert sll.search(2)==False assert sll.search(3)==True assert sll.size()==2 print "Test 4 Passed" # Test 5 sll = SinglyLinkedList() sll.insert(1) sll.insert(2) sll.insert(3) sll.insert(4) sll.print_list_forward() # Test 6 sll = SinglyLinkedList() sll.insert(1) sll.insert(2) sll.insert(3) sll.insert(4) sll.print_list_backward() # Test 1 assert 1 == SinglyLinkedList.getNumberOfLinks() assert 0 == LinkedList.getNumberOfLinks() sll = SinglyLinkedList() assert 1 == sll.getNumberOfLinks() print "Test 1 Passed"
