// testing: MAKE SURE THAT THE KEY STAYS THE SAME!!! public void sanityTestKeyBeforeAndAfter( CheckersSetup setup, boolean isDarkPlayerCurrentTurn, int key[]) { int key2[] = AnalysedPosition.makeKey(setup, isDarkPlayerCurrentTurn); int compare = BalancedSearchTree.compare(key, key2); if (compare != 0) { System.out.println("ERROR: the board changes through the getEstUtilityOfPosition function."); System.exit(1); } }