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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
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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  package org.apache.cassandra.distributed.upgrade;
  
  import org.junit.Test;
  
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  import static org.apache.cassandra.distributed.shared.AssertUtils.assertRows;
  import static org.apache.cassandra.distributed.shared.AssertUtils.row;
  
  public class DropCompactStorageTest extends UpgradeTestBase
  {
      @Test
      public void testDropCompactStorage() throws Throwable
      {
          new TestCase()
          .nodes(2)
          .nodesToUpgrade(1, 2)
          .upgradesToCurrentFrom(OLDEST)
          .withConfig(config -> config.with(GOSSIP, NETWORK).set("enable_drop_compact_storage", true))
          .setup((cluster) -> {
              cluster.schemaChange("CREATE TABLE " + KEYSPACE + ".tbl (pk int, ck int, PRIMARY KEY (pk, ck)) WITH COMPACT STORAGE");
              cluster.coordinator(1).execute("INSERT INTO " + KEYSPACE + ".tbl (pk, ck) VALUES (1,1)", ConsistencyLevel.ALL);
          })
          .runAfterClusterUpgrade((cluster) -> {
              cluster.get(1).nodetoolResult("cms", "initialize").asserts().success();
              cluster.schemaChange("ALTER TABLE " + KEYSPACE + ".tbl DROP COMPACT STORAGE");
              assertRows(cluster.coordinator(1).execute("SELECT * FROM " + KEYSPACE + ".tbl WHERE pk = 1",
                                                        ConsistencyLevel.ALL),
                         row(1, 1, null));
          }).run();
      }
  }
  