content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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   * See the License for the specific language governing permissions and
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  package org.apache.cassandra.db.tries;
  
  import org.junit.Test;
  
  import org.apache.cassandra.io.compress.BufferType;
  
  import static org.apache.cassandra.utils.LocalizeString.toLowerCaseLocalized;
  
  public class TrieToMermaidTest
  {
      @Test
      public void testToMermaidContent() throws Exception
      {
          InMemoryTrie<String> trie = new InMemoryTrie<>(BufferType.OFF_HEAP);
          // This was used as a basis the graphs in BTIFormat.md
          String s = "a allow an and any are as node of on the this to trie types with without";
          s = toLowerCaseLocalized(s);
          for (String word : s.split("[^a-z]+"))
              trie.putRecursive(InMemoryTrieTestBase.comparable(word), word, (x, y) -> y);
  
          System.out.println(trie.process(new TrieToMermaid(Object::toString,
                                                        x -> Character.toString((char) ((int) x)),
                                                        false),
                                          Direction.FORWARD));
      }
  }
  