// Testing: make sure the number of nodes in the tree is the same as the amount put in: public void sanityCheckNumNodes() { int sanity = viewedPos.sanityCheckGetNumberOfNodes(); if (sanity != numPosRecorded) { System.err.println( "ERROR: the number of nodes in the tree is not equal to the number of nodes added. #Added: " + numPosRecorded + " number received: " + sanity); System.exit(1); } }