}

        @Test
        @DisplayName("Should encode input parameters correctly")
        void testEncodeIn() throws NdrException {
            // Given: Close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // When: Encoding input
            message.encode_in(mockNdrBuffer);

            // Then: Should encode handle

        }
    }

    /**
     * Reloads the stemmer override dictionary from an input stream.
     *
     * @param updater An optional updater to apply changes.
     * @param in      The input stream to read the dictionary from.
     * @throws DictionaryException if the input stream cannot be parsed.
     */
    protected void reload(final StemmerOverrideUpdater updater, final InputStream in) {

     * @param baseKey the base Kerberos key for key derivation
     * @param input the data to calculate the MAC for
     * @return the calculated MAC bytes (truncated to 12 bytes)
     * @throws GeneralSecurityException if cryptographic operations fail
     */
    public static byte[] calculateMacHMACAES(int usage, KerberosKey baseKey, byte[] input) throws GeneralSecurityException {

    }

    @Override
    protected void encodeWitnessParameters(NdrBuffer buf) throws NdrException {
        // Encode input parameters for WitnessUnregister

        // Context handle (20 bytes) - this is both input and output (modified)
        if (contextHandle != null) {
            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));

        assertEquals(0, exception.getErrorCode(), "Error code should be 0 for message and cause constructor.");
        assertEquals(message, exception.getMessage(), "Message should match the input.");
        assertEquals(cause, exception.getCause(), "Cause should match the input.");
        assertEquals(cause, exception.getRootCause(), "getRootCause() should return the same cause as getCause().");
    }

    /**
     * Test getErrorCode() method.
     */

    assertFailsToDecode(base64(), "12345", "Invalid input length 5");
    // These have a combination of invalid length, unrecognized characters and wrong padding.
    assertFailsToDecode(base64(), "AB=C", "Unrecognized character: =");
    assertFailsToDecode(base64(), "A=BCD", "Invalid input length 5");
    assertFailsToDecode(base64(), "?", "Invalid input length 1");
  }

  public void testBase64CannotUpperCase() {

    /**
     * Reads up to b.length bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *

    LockFreeBitArray(long bits) {
      checkArgument(bits > 0, "data length is zero!");
      // Avoid delegating to this(long[]), since AtomicLongArray(long[]) will clone its input and
      // thus double memory usage.
      this.data =
          new AtomicLongArray(Ints.checkedCast(LongMath.divide(bits, 64, RoundingMode.CEILING)));
      this.bitCount = LongAddables.create();
    }

    // Used by serialization

        // Verify the raw bytes are the UTF-16LE encoding of the input string
        assertArrayEquals(targetName.getBytes(StandardCharsets.UTF_16LE), avTargetName.getRaw(),
                "Raw bytes should be UTF-16LE encoded string");
    }

    /**
     * Test getTargetName() method with a string input.
     * Verifies that the original string is returned after encoding and decoding.
     */
    @Test

                final byte[] input = new byte[ciphertext.length + authTag.length];
                System.arraycopy(ciphertext, 0, input, 0, ciphertext.length);
                System.arraycopy(authTag, 0, input, ciphertext.length, authTag.length);

                final byte[] output = new byte[cipher.getOutputSize(input.length)];
                int len = cipher.processBytes(input, 0, input.length, output, 0);