@@ -0,0 +1,560 @@
+package org.trie4j.doublearray;%0A%0Aimport org.junit.Test;%0Aimport org.trie4j.Algorithms;%0Aimport org.trie4j.Node;%0Aimport org.trie4j.NodeVisitor;%0Aimport org.trie4j.patricia.simple.PatriciaTrie;%0Aimport org.trie4j.test.WikipediaTitles;%0A%0Apublic class IterateDoubleArrayNodesTest %7B%0A%09@Test%0A%09public void test() throws Exception%7B%0A%09%09Algorithms.traverseByBreadth(%0A%09%09%09%09new DoubleArray(new WikipediaTitles().insertTo(new PatriciaTrie())).getRoot(),%0A%09%09%09%09new NodeVisitor() %7B%0A%09%09%09%09%09@Override%0A%09%09%09%09%09public boolean visit(Node node, int nest) %7B%0A%09%09%09%09%09%09return true;%0A%09%09%09%09%09%7D%0A%09%09%09%09%7D);%0A%09%7D%0A%7D%0A

add test for DoubleArray node iteration.