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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
   * 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.service.accord;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import org.junit.Test;
  
  import accord.local.Node;
  import accord.utils.AccordGens;
  import accord.utils.Gen;
  import accord.utils.Gens;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.tcm.Epoch;
  import org.apache.cassandra.tcm.serialization.AsymmetricMetadataSerializers;
  import org.apache.cassandra.tcm.serialization.Version;
  
  import static accord.utils.Property.qt;
  
  public class AccordStaleReplicasTest
  {
      static
      {
          DatabaseDescriptor.toolInitialization();
      }
  
      @Test
      public void serde()
      {
          try (DataOutputBuffer buffer = new DataOutputBuffer())
          {
              Gen<Set<Node.Id>> nodesGen = Gens.lists(AccordGens.nodes()).unique().ofSizeBetween(0, 9).map(nodes -> new HashSet<>(nodes));
              Gen<Epoch> epochGen = AccordGens.epochs().map(Epoch::create);
  
              qt().check(rs -> {
                  Epoch epoch = epochGen.next(rs);
                  Set<Node.Id> nodes = nodesGen.next(rs);
                  AsymmetricMetadataSerializers.testSerde(buffer, AccordStaleReplicas.serializer, new AccordStaleReplicas(nodes, epoch), Version.MIN_ACCORD_VERSION);
              });
          }
      }
  }
  