Testing make process
Preorder: 1 2 4 5 3 6 
Preorder: 7 8 9 11 10 
Preorder: 12 13 14 16 15 17 
Testing postorder
Postorder: 
Postorder: 4 5 2 6 3 1 
Postorder: 11 9 10 8 7 
Postorder: 16 14 17 15 13 12 
Testing inorder
Inorder: 
Inorder: 4 2 5 1 6 3 
Inorder: 7 9 11 8 10 
Inorder: 12 14 16 13 17 15 
Testing levelorder
Levelorder: 
Levelorder: 1 2 3 4 5 6 
Levelorder: 7 8 9 10 11 
Levelorder: 12 13 14 15 16 17 
Test num nodes
0
6
5
6
Testing is_complete
1
1
0
0
1
0
Testing remove
Inorder: 
Inorder: 
Inorder: