(byte) 0xBB,
                (byte) 0xAA,
                (byte) 0x99,
                (byte) 0x88))
        .isEqualTo(0xFFEEDDCCBBAA9988L);
  }

  public void testByteArrayRoundTrips() {
    Random r = new Random(5);
    byte[] b = new byte[Longs.BYTES];

    for (int i = 0; i < 1000; i++) {
      long num = r.nextLong();