@Test public void maximumNodeIdentifier() throws Exception { File dir = makeTemporaryDirectory(); try { NonConcurrentTree tree = new TreeBuilder(dir).singleThreadedTree(); NonConcurrentTreeNode root = tree.getRootNode(); for (int i = 0; i < 1000; i++) { NonConcurrentTreeNode node = tree.getOrCreateNode(root, Integer.toString(i), null); assertNotNull(node); assertEquals(Integer.toString(i), node.getName()); NonConcurrentTreeNode child = tree.getOrCreateNode(node, Integer.toString(i), null); child.release(); node.release(); } assertTrue(tree.setNextNodeDB(Integer.MAX_VALUE)); for (int i = 1000; i < 2000; i++) { NonConcurrentTreeNode node = tree.getOrCreateNode(root, Integer.toString(i), null); assertNotNull(node); assertEquals(Integer.toString(i), node.getName()); NonConcurrentTreeNode child = tree.getOrCreateNode(node, Integer.toString(i), null); child.release(); node.release(); } tree.close(false, close); } finally { if (dir != null) { LessFiles.deleteDir(dir); } } }