*/
    @Test
    @DisplayName("Decode single AvPair with EOL")
    void testDecodeSinglePair() throws CIFSException {
        // Create test data: AvFlags with value 0x12345678 + EOL
        byte[] flagData = new byte[4];
        SMBUtil.writeInt4(0x12345678, flagData, 0);
        byte[] avPairData = createAvPairData(AvPair.MsvAvFlags, flagData);
        byte[] eolData = createEolData();

        byte[] data = new byte[8];
        ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);

        // Test with a positive value
        buffer.putInt(0, 0x12345678);
        assertEquals(0x12345678, NtlmMessage.readULong(data, 0), "Should read positive ULong correctly.");

        // Test with zero
        buffer.putInt(0, 0);

                (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, // 0xFFFFFFFF
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, // 0x00000000
                (byte) 0xEF, (byte) 0xCD, (byte) 0xAB, (byte) 0x89 // 0x89ABCDEF
        };

        assertEquals(0x12345678, SMBUtil.readInt4(src, 0));

    public void testContextWithFlags() {
        CompressionNegotiateContext contextWithFlags =
                new CompressionNegotiateContext(config, new int[] { CompressionNegotiateContext.COMPRESSION_LZ77 }, 0x12345678);

        assertEquals(0x12345678, contextWithFlags.getFlags());
    }

    @Test
    @DisplayName("Test toString representation")
    public void testToString() {
        String str = context.toString();

        @DisplayName("Should encode UUID correctly")
        void testUuidTEncode() throws NdrException {
            // Given: A UUID with test values
            rpc.uuid_t uuid = new rpc.uuid_t();
            uuid.time_low = 0x12345678;
            uuid.time_mid = (short) 0x9ABC;
            uuid.time_hi_and_version = (short) 0xDEF0;
            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;

        serverData.encryptedPasswords = true;
        serverData.encryptionKey = new byte[8];

        // Configure mock transport
        mockTransport.server = serverData;
        mockTransport.sessionKey = 0x12345678;
        mockTransport.capabilities = SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS;
        mockTransport.snd_buf_size = 16644;
        mockTransport.maxMpxCount = 50;

        // Configure mock session

        response.getServerData().maxNumberVcs = 1;
        response.getServerData().maxBufferSize = 16384;
        response.getServerData().maxRawSize = 4096;
        response.getServerData().sessKey = 0x12345678;
        response.getServerData().scapabilities = SmbConstants.CAP_UNICODE;
        response.getServerData().serverTime = new Date().getTime();
        response.getServerData().serverTimeZone = -300;

     */
    @Test
    void testConstructorWithError_unknownCode() {
        int errorCode = 0x12345678; // An arbitrary unknown error code
        DcerpcException exception = new DcerpcException(errorCode);

        assertEquals(errorCode, exception.getErrorCode(), "Error code should match the input.");
        assertEquals("0x12345678", exception.getMessage(), "Message should be hex string for unknown error code.");
    }

    /**

    /**
     * Test setting and getting int fields
     */
    @Test
    @DisplayName("Test int fields with various values")
    public void testIntFields() {
        // When
        serverData.sflags2 = 0x12345678;
        serverData.smaxMpxCount = 50;
        serverData.maxBufferSize = 65536;
        serverData.sessKey = 0xABCDEF01;
        serverData.scapabilities = 0x80000000;
        serverData.securityMode = 0x0F;

    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x12345678, pdis.readInt());
    }

    @Test
    public void testReadLong() throws IOException {