int flags = NegTokenInit.DELEGATION | NegTokenInit.INTEGRITY;
            byte[] mechToken = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
            byte[] mic = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC };

            NegTokenInit original = new NegTokenInit(mechs, flags, mechToken, mic);
            byte[] firstEncoding = original.toByteArray();

     */
    public static final byte[] UNSPECIFIED_FILEID =
            { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                    (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF };

    /**
     * Unspecified tree ID value
     */

    static void writeInt2(final int val, final byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) (val >> 8 & 0xFF);
        dstIndex++;
        dst[dstIndex] = (byte) (val & 0xFF);
    }

    static void writeInt4(final int val, final byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) (val >> 24 & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (val >> 16 & 0xFF);

    private static final int TEST_CONTROL_CODE = Smb2IoctlRequest.FSCTL_DFS_GET_REFERRALS;
    private static final byte[] TEST_FILE_ID = new byte[16];
    private static final byte[] TEST_OUTPUT_BUFFER = new byte[1024];

    @BeforeEach
    void setUp() {
        Arrays.fill(TEST_FILE_ID, (byte) 0x42);
    }

    private void setupMockConfig() {
        when(mockConfig.getTransactionBufferSize()).thenReturn(65536);
    }

        }

        @Test
        @DisplayName("Should throw IOException for fragment length exceeding max")
        void testDoSendReceiveFragment_FragmentTooLarge() throws Exception {
            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();

            byte[] buf = new byte[50];
            byte[] inB = new byte[100];

    private int state = 1;

    private final CIFSContext transportContext;

    private String targetName;
    private byte[] type1Bytes;

    private byte[] signKey;
    private byte[] verifyKey;
    private byte[] sealClientKey;
    private byte[] sealServerKey;

    private Cipher sealClientHandle;
    private Cipher sealServerHandle;

    /**

    void testWriteSetupWireFormat() {
        byte[] dst = new byte[10];
        int result = netServerEnum2.writeSetupWireFormat(dst, 0);
        assertEquals(0, result);
    }

    /**
     * Test the writeParametersWireFormat method for NET_SERVER_ENUM2.
     */
    @Test
    void testWriteParametersWireFormat_Enum2() throws UnsupportedEncodingException {
        byte[] dst = new byte[100];

    }

    /**
     * Finds the null termination in a single-byte encoded string buffer.
     *
     * @param buffer the byte buffer to search
     * @param bufferIndex the starting position in the buffer
     * @param maxLen the maximum length to search
     * @return position of terminating null byte
     */
    public static int findTermination(final byte[] buffer, final int bufferIndex, final int maxLen) {
        int len = 0;

        byte[] buffer = new byte[10];
        int written = response.writeDataWireFormat(buffer, 0);

        assertEquals(0, written);
    }

    @Test
    void testReadSetupWireFormat() {
        // Test readSetupWireFormat returns 0
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[10];

  public void testCollisionsDueToIncorrectSignExtension() {
    byte[] col1 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x80};
    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(