  @Test
  public void testSizeRounding() {

    OoaBFilter filter = new OoaBFilter(3, 0);
    assertEquals("3 should round to 4", 4, filter.getSize());
    filter = new OoaBFilter(4, 0);
    assertEquals("4 should round to 4", 4, filter.getSize());
    filter = new OoaBFilter(129, 0);
    assertEquals("129 should round to 256", 256, filter.getSize());
  }