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   * Licensed to the Apache Software Foundation (ASF) under one
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   * 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.distributed.test.ring;
  
  import java.util.Map;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.ICluster;
  import org.apache.cassandra.distributed.test.TestBaseImpl;
  import org.apache.cassandra.net.Verb;
  import org.apache.cassandra.service.StorageService;
  
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  
  public class NodeNotInRingTest extends TestBaseImpl
  {
      @Test
      public void nodeNotInRingTest() throws Throwable
      {
          try (Cluster cluster = builder().withNodes(3)
                                          .withConfig(config -> config.with(NETWORK, GOSSIP))
                                          .start())
          {
              cluster.schemaChange("CREATE KEYSPACE IF NOT EXISTS " + KEYSPACE + " WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 2};");
              cluster.schemaChange("CREATE TABLE IF NOT EXISTS " + KEYSPACE + ".tbl (pk int, ck int, v int, PRIMARY KEY (pk, ck))");
  
              cluster.filters().verbs(Verb.GOSSIP_DIGEST_ACK.id,
                                      Verb.GOSSIP_DIGEST_SYN.id)
                     .from(3)
                     .outbound()
                     .drop()
                     .on();
              cluster.get(3).runOnInstance(() -> StorageService.instance.decommission(true));
              cluster.run(inst -> inst.runsOnInstance(() -> {
                  Assert.assertEquals("There should be 2 remaining nodes in ring",
                                      2, StorageService.instance.effectiveOwnershipWithPort(KEYSPACE).size());
              }), 1, 2);
  
              populate(cluster, 0, 50, 1, ConsistencyLevel.ALL);
              populate(cluster, 50, 100, 2, ConsistencyLevel.ALL);
  
              Map<Integer, Long> counts = BootstrapTest.count(cluster);
              Assert.assertEquals(0L, counts.get(3).longValue());
              Assert.assertEquals(100L, counts.get(2).longValue());
              Assert.assertEquals(100L, counts.get(1).longValue());
          }
      }
  
      public static void populate(ICluster cluster, int from, int to, int coord, ConsistencyLevel cl)
      {
          for (int i = from; i < to; i++)
          {
              cluster.coordinator(coord).execute("INSERT INTO " + KEYSPACE + ".tbl (pk, ck, v) VALUES (?, ?, ?)",
                                                 cl,
                                                 i, i, i);
          }
      }
  }
  