public int getSize() {
    return size;
  }
@Test
  public void testArraySizeConstructor() {
    ByteArrayHashIndex obj = new ByteArrayHashIndex( new RowMeta(), 1 );
    assertEquals( 1, obj.getSize() );

    obj = new ByteArrayHashIndex( new RowMeta(), 2 );
    assertEquals( 2, obj.getSize() );

    obj = new ByteArrayHashIndex( new RowMeta(), 3 );
    assertEquals( 4, obj.getSize() );

    obj = new ByteArrayHashIndex( new RowMeta(), 12 );
    assertEquals( 16, obj.getSize() );

    obj = new ByteArrayHashIndex( new RowMeta(), 99 );
    assertEquals( 128, obj.getSize() );
  }