* Test getMessageByDcerpcError() with an unknown error code.
     */
    @Test
    void testGetMessageByDcerpcError_unknownCode() {
        int unknownCode = 0x99999999;
        String message = DcerpcException.getMessageByDcerpcError(unknownCode);
        assertEquals("0x99999999", message, "Should return hex string for unknown error code.");
    }

    /**
     * Test getMessageByDcerpcError() with an error code smaller than any known.

    assertEquals(0x9999999999999999L, HashCode.fromLong(0x9999999999999999L).padToLong());
    assertEquals(0x0000000011111111L, HashCode.fromInt(0x11111111).padToLong());
    assertEquals(0x0000000099999999L, HashCode.fromInt(0x99999999).padToLong());
  }

  public void testPadToLongWith4Bytes() {
    assertEquals(0x0000000099999999L, HashCode.fromBytesNoCopy(byteArrayWith9s(4)).padToLong());
  }

  public void testPadToLongWith6Bytes() {

    assertEquals(0x9999999999999999L, HashCode.fromLong(0x9999999999999999L).padToLong());
    assertEquals(0x0000000011111111L, HashCode.fromInt(0x11111111).padToLong());
    assertEquals(0x0000000099999999L, HashCode.fromInt(0x99999999).padToLong());
  }

  public void testPadToLongWith4Bytes() {
    assertEquals(0x0000000099999999L, HashCode.fromBytesNoCopy(byteArrayWith9s(4)).padToLong());
  }

  public void testPadToLongWith6Bytes() {

  }

  public void testConsistentHash_ofHashCode() {
    checkSameResult(HashCode.fromLong(1), 1);
    checkSameResult(HashCode.fromLong(0x9999999999999999L), 0x9999999999999999L);
    checkSameResult(HashCode.fromInt(0x99999999), 0x0000000099999999L);
  }

  public void checkSameResult(HashCode hashCode, long equivLong) {
    assertEquals(Hashing.consistentHash(equivLong, 5555), Hashing.consistentHash(hashCode, 5555));
  }

  /**

  }

  public void testConsistentHash_ofHashCode() {
    checkSameResult(HashCode.fromLong(1), 1);
    checkSameResult(HashCode.fromLong(0x9999999999999999L), 0x9999999999999999L);
    checkSameResult(HashCode.fromInt(0x99999999), 0x0000000099999999L);
  }

  public void checkSameResult(HashCode hashCode, long equivLong) {
    assertEquals(Hashing.consistentHash(equivLong, 5555), Hashing.consistentHash(hashCode, 5555));
  }

  /**

		{"-1.999999", time.Unix(-1, -1e9+1e3), true},
		{"-1.999999999", time.Unix(-1, -1e9+1e0), true},
		{"0.000000001", time.Unix(0, 1e0+0e0), true},
		{"0.000001", time.Unix(0, 1e3+0e0), true},
		{"0.001000", time.Unix(0, 1e6+0e0), true},
		{"0", time.Unix(0, 0e0), true},
		{"0.999000", time.Unix(0, 1e9-1e6), true},
		{"0.999999", time.Unix(0, 1e9-1e3), true},
		{"0.999999999", time.Unix(0, 1e9-1e0), true},

    assertNull(Punycode.decode("xn--cat-ñ3h"))
  }

  @Test fun unterminatedCodePoint() {
    assertNull(Punycode.decode("xn--cat-n"))
  }

  @Test fun overflowI() {
    assertNull(Punycode.decode("xn--99999999"))
  }

  @Test fun overflowMaxCodePoint() {
    assertNull(Punycode.decode("xn--a-b.net"))
    assertNull(Punycode.decode("xn--a-9b.net"))
    assertEquals("a՚.net", Punycode.decode("xn--a-99b.net"))