// Given - Create a complete SMB2 message with header
        byte[] buffer = new byte[512];
        int headerStart = 0;
        int bodyStart = Smb2Constants.SMB2_HEADER_LENGTH;

        // Write SMB2 header (64 bytes)
        // Protocol ID
        System.arraycopy(new byte[] { (byte) 0xFE, 'S', 'M', 'B' }, 0, buffer, headerStart, 4);
        // Structure size (64)

        );
    }

    // Creates a deterministic byte sequence [0,1,2,...,n-1]
    private static byte[] makeSeq(int n) {
        byte[] a = new byte[n];
        for (int i = 0; i < n; i++) {
            a[i] = (byte) i;
        }
        return a;
    }

    @ParameterizedTest
    @MethodSource("byteEncodableArgs")
    @DisplayName("encode() copies bytes correctly and returns size")

	// 1: Echo
	errFatal(local.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("1: server payload: ", len(payload), "bytes.")
		return append([]byte{}, payload...), nil
	}))
	// 2: Return as error
	errFatal(local.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("2: server payload: ", len(payload), "bytes.")
		err := RemoteErr(payload)
		return nil, &err
	}))

    }

    @ParameterizedTest
    @DisplayName("Test reserved bytes are properly skipped")
    @ValueSource(bytes = { 0x00, 0x01, (byte) 0xFF, 0x7F, (byte) 0x80 })
    void testReservedBytesSkipped(byte reservedValue) throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        // Set reserved bytes to non-zero values (should be ignored)
        buffer[bufferIndex] = reservedValue;

        }
    }

    @Override
    public byte[] decompress(byte[] compressedData, int algorithm) throws CIFSException {
        if (compressedData == null) {
            throw new CIFSException("Compressed data cannot be null");
        }
        return decompress(compressedData, 0, compressedData.length, algorithm);
    }

    @Override

        assertEquals(1, response.setupCount);
    }

    // Helper method to write a 4-byte integer to a byte array.
    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
        dst[dstIndex + 2] = (byte) (val >> 16);
        dst[dstIndex + 3] = (byte) (val >> 24);
    }

    }

    // Test constructor with external hashes
    @Test
    void testConstructorWithExternalHashes() {
        byte[] challenge = new byte[8];
        byte[] ansiHash = new byte[24];
        byte[] unicodeHash = new byte[24];
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication("DOMAIN", "user", challenge, ansiHash, unicodeHash);
        assertEquals("DOMAIN", auth.getDomain());

            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // NextCommand
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // MessageId
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // Reserved / AsyncId
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // TreeId / AsyncId

    @DisplayName("Test writeUTime with zero time")
    void testWriteUTimeWithZeroTime() {
        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")

     */
    public static int enc_uint32le(final int i, final byte[] dst, int di) {
        dst[di] = (byte) (i & 0xFF);
        di++;
        dst[di++] = (byte) (i >> 8 & 0xFF);
        dst[di++] = (byte) (i >> 16 & 0xFF);
        dst[di] = (byte) (i >> 24 & 0xFF);
        return 4;
    }

    /* Decode integers
     */

    /**