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   * "License"); you may not use this file except in compliance
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cassandra.db.partition;
  
  import org.apache.cassandra.UpdateBuilder;
  import org.apache.cassandra.schema.TableMetadata;
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.db.RowUpdateBuilder;
  import org.apache.cassandra.db.partitions.PartitionUpdate;
  import org.apache.cassandra.utils.FBUtilities;
  import org.junit.Test;
  
  import org.junit.Assert;
  
  public class PartitionUpdateTest extends CQLTester
  {
      @Test
      public void testOperationCount()
      {
          createTable("CREATE TABLE %s (key text, clustering int, a int, s int static, PRIMARY KEY(key, clustering))");
          TableMetadata cfm = currentTableMetadata();
  
          UpdateBuilder builder = UpdateBuilder.create(cfm, "key0");
          Assert.assertEquals(0, builder.build().operationCount());
          Assert.assertEquals(1, builder.newRow(1).add("a", 1).build().operationCount());
  
          builder = UpdateBuilder.create(cfm, "key0");
          Assert.assertEquals(1, builder.newRow().add("s", 1).build().operationCount());
  
          builder = UpdateBuilder.create(cfm, "key0");
          builder.newRow().add("s", 1);
          builder.newRow(1).add("a", 1);
          Assert.assertEquals(2, builder.build().operationCount());
      }
  
      @Test
      public void testMutationSize()
      {
          createTable("CREATE TABLE %s (key text, clustering int, a int, s int static, PRIMARY KEY(key, clustering))");
          TableMetadata cfm = currentTableMetadata();
  
          UpdateBuilder builder = UpdateBuilder.create(cfm, "key0");
          builder.newRow().add("s", 1);
          builder.newRow(1).add("a", 2);
          int size1 = builder.build().dataSize();
          Assert.assertEquals(102, size1);
  
          builder = UpdateBuilder.create(cfm, "key0");
          builder.newRow(1).add("a", 2);
          int size2 = builder.build().dataSize();
          Assert.assertTrue(size1 != size2);
  
          builder = UpdateBuilder.create(cfm, "key0");
          int size3 = builder.build().dataSize();
          Assert.assertTrue(size2 != size3);
  
      }
  
      @Test
      public void testUpdateAllTimestamp()
      {
          createTable("CREATE TABLE %s (key text, clustering int, a int, b int, c int, s int static, PRIMARY KEY(key, clustering))");
          TableMetadata cfm = currentTableMetadata();
  
          long timestamp = FBUtilities.timestampMicros();
          RowUpdateBuilder rub = new RowUpdateBuilder(cfm, timestamp, "key0").clustering(1).add("a", 1);
          PartitionUpdate pu = rub.buildUpdate();
          PartitionUpdate pu2 = new PartitionUpdate.Builder(pu, 0).updateAllTimestamp(0).build();
  
          Assert.assertTrue(pu.maxTimestamp() > 0);
          Assert.assertTrue(pu2.maxTimestamp() == 0);
      }
  }
  