abstract public long[] getBlockListAsLongs();
@Test
  public void testFinalized() {
    BlockListAsLongs blocks = checkReport(
        new FinalizedReplica(b1, null, null));
    assertArrayEquals(
        new long[] {
            1, 0,
            1, 11, 111,
            -1, -1, -1 }, 
        blocks.getBlockListAsLongs());
  }