TAVLTree.ConsistencyCheck procedure

Declaration

procedure ConsistencyCheck; virtual

Description

ConsistencyCheck checks the correctness of the tree. It returns 0 if the tree is internally consistent, and a negative number if the tree contains an error somewhere.

-1

The Count property doesn't match the actual node count

-2

A left node does not point to the correct parent

-3

A left node is larger than parent node

-4

A right node does not point to the correct parent

-5

A right node is less than parent node

-6

The balance of a node is not calculated correctly

See also

• WriteReportToStream