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   * 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
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   * See the License for the specific language governing permissions and
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   */
  
  package org.apache.cassandra.service.accord.serializers;
  
  import org.junit.Assert;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import accord.local.Node;
  import accord.primitives.Routable;
  import accord.primitives.Timestamp;
  import accord.primitives.Txn;
  import accord.primitives.TxnId;
  import org.apache.cassandra.ServerTestUtils;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.db.DecoratedKey;
  import org.apache.cassandra.harry.dsl.TestRunner;
  import org.apache.cassandra.harry.gen.Generator;
  import org.apache.cassandra.harry.gen.Generators;
  import org.apache.cassandra.service.accord.AccordKeyspace;
  import org.apache.cassandra.service.accord.JournalKey;
  
  public class JournalKeySerializerTest
  {
      @BeforeClass
      public static void setUp()
      {
          DatabaseDescriptor.daemonInitialization();
          ServerTestUtils.prepareServer();
      }
  
      @Test
      public void testOrder()
      {
          Node.Id node = new Node.Id(1);
          Generator<Txn.Kind> kindGen = Generators.enumValues(Txn.Kind.class);
          Generator<Routable.Domain> domainGen = Generators.enumValues(Routable.Domain.class);
          Generator<JournalKey.Type> keyTypeGen = Generators.enumValues(JournalKey.Type.class);
  
          Generator<JournalKey> keyGen = rng -> {
              TxnId txnId = new TxnId(rng.nextLong(0, Timestamp.MAX_EPOCH + 1),
                                      rng.nextLong(0, Long.MAX_VALUE),
                                      kindGen.generate(rng),
                                      domainGen.generate(rng),
                                      node);
              return new JournalKey(txnId, keyTypeGen.generate(rng), rng.nextInt(100));
          };
          TestRunner.test(keyGen, keyGen, (key1, key2) -> {
              DecoratedKey dk1 = AccordKeyspace.JournalColumns.decorate(key1);
              DecoratedKey dk2 = AccordKeyspace.JournalColumns.decorate(key2);
              Assert.assertEquals(String.format("Sort mismatch for\n%s (%s) \n%s (%s) ", key1, dk1, key2, dk2),
                                  dk1.compareTo(dk2) >= 0 ? 1 : -1,
                                  JournalKey.SUPPORT.compare(key1, key2) >= 0 ? 1 : -1);
          });
      }
  }
  