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,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
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  package org.apache.cassandra.dht;
  
  import java.io.IOException;
  
  import org.junit.Assert;
  import org.junit.BeforeClass;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.dht.OrderPreservingPartitioner.StringToken;
  
  public class OrderPreservingPartitionerTest extends PartitionerTestCase
  {
      @BeforeClass
      public static void cleanStatesFromPreviousTest() throws IOException
      {
          // Since OrderPreservingPartitioner#describeOwnership tries to read SSTables,
          // we need to clear data dir to clear garbage from previous test before running tests.
          SchemaLoader.cleanupAndLeaveDirs();
      }
  
      public void initPartitioner()
      {
          partitioner = OrderPreservingPartitioner.instance;
      }
  
      protected boolean shouldStopRecursion(Token left, Token right)
      {
          return false;
      }
  
      @Override
      protected void checkRoundTrip(Token original, Token roundTrip)
      {
          StringToken orig = (StringToken) original;
          StringToken rt = (StringToken) roundTrip;
          Assert.assertEquals(orig.token, rt.token.substring(0, orig.token.length()));
          Assert.assertTrue(rt.token.substring(orig.token.length()).matches("\0*"));
      }
  }
  