}

  public void testParseLongFails() {
    assertThrows(
        NumberFormatException.class, () -> UnsignedLongs.parseUnsignedLong("18446744073709551616"));
  }

  public void testDecodeLong() {
    assertThat(UnsignedLongs.decode("0xffffffffffffffff")).isEqualTo(0xffffffffffffffffL);
    assertThat(UnsignedLongs.decode("01234567")).isEqualTo(01234567); // octal