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
   * limitations under the License.
   */
  
  package org.apache.cassandra.distributed.test;
  
  import java.util.Random;
  import java.util.concurrent.ThreadLocalRandom;
  
  import org.junit.Assert;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.ICluster;
  
  // TODO: this test should be removed after running in-jvm dtests is set up via the shared API repository
  public class LargeColumnTest extends TestBaseImpl
  {
      private static final Logger logger = LoggerFactory.getLogger(LargeColumnTest.class);
  
      private static String str(int length, Random random, long seed)
      {
          random.setSeed(seed);
          char[] chars = new char[length];
          int i = 0;
          int s = 0;
          long v = 0;
          while (i < length)
          {
              if (s == 0)
              {
                  v = random.nextLong();
                  s = 8;
              }
              chars[i] = (char) (((v & 127) + 32) & 127);
              v >>= 8;
              --s;
              ++i;
          }
          return new String(chars);
      }
  
      private void testLargeColumns(int nodes, int columnSize, int rowCount) throws Throwable
      {
          Random random = new Random();
          long seed = ThreadLocalRandom.current().nextLong();
          logger.info("Using seed {}", seed);
  
          try (ICluster cluster = init(builder()
                                       .withNodes(nodes)
                                       .withConfig(config ->
                                                   config.set("commitlog_segment_size", String.format("%dMiB",(columnSize * 3) >> 20))
                                                         .set("internode_application_send_queue_reserve_endpoint_capacity", String.format("%dB", (columnSize * 2)))
                                                         .set("internode_application_send_queue_reserve_global_capacity", String.format("%dB", (columnSize * 3)))
                                                         .set("native_transport_max_request_data_in_flight_per_ip", String.format("%dB", (columnSize * 3)))
                                                         .set("native_transport_max_request_data_in_flight", String.format("%dB", (columnSize * 6)))
                                                         .set("write_request_timeout", "30s")
                                                         .set("read_request_timeout", "30s")
                                                         .set("memtable_heap_space", "1024MiB")
                                       )
                                       .start()))
          {
              cluster.schemaChange(String.format("CREATE TABLE %s.cf (k int, c text, PRIMARY KEY (k))", KEYSPACE));
  
              for (int i = 0; i < rowCount; ++i)
                  cluster.coordinator(1).execute(String.format("INSERT INTO %s.cf (k, c) VALUES (?, ?);", KEYSPACE), ConsistencyLevel.ALL, i, str(columnSize, random, seed | i));
  
              for (int i = 0; i < rowCount; ++i)
              {
                  Object[][] results = cluster.coordinator(1).execute(String.format("SELECT k, c FROM %s.cf WHERE k = ?;", KEYSPACE), ConsistencyLevel.ALL, i);
                  Assert.assertTrue(str(columnSize, random, seed | i).equals(results[0][1]));
              }
          }
      }
  
      @Test
      public void test() throws Throwable
      {
          testLargeColumns(2, 16 << 20, 5);
      }
  }
  