code: package net.openhft.chronicle.hash.serialization.impl;
  
  import net.openhft.chronicle.map.SerializableTest;
  import org.junit.Test;
  
  import java.util.stream.Collectors;
  import java.util.stream.IntStream;
  
  import static org.junit.Assert.assertEquals;
  
  public class SerializableDataAccessTest {
  
      @Test
      public void testSerializableDataAccess() {
          SerializableDataAccess<SerializableTest.Foo> sda = new SerializableDataAccess<>();
          sda.initTransients(8192);
  
          String expected = IntStream.range(0, 4096)
                  .mapToObj(i -> i % 50 == 0 ? String.format("\n%04d", i) : "" + i % 10)
                  .collect(Collectors.joining(""));
  
          SerializableTest.Foo value = new SerializableTest.Foo(expected);
          sda.getData(value);
          SerializableTest.Foo foo = sda.getUsing(null);
          assertEquals(expected, foo.x);
      }
  }