hashCode.getBytesInternal()[0] = (byte) 0x00;

    assertEquals(0x0000ab00, hashCode.asInt());
    assertEquals("00ab0000", hashCode.toString());
  }

  public void testPadToLong() {
    assertEquals(0x1111111111111111L, HashCode.fromLong(0x1111111111111111L).padToLong());
    assertEquals(0x9999999999999999L, HashCode.fromLong(0x9999999999999999L).padToLong());