*
     * @param buffer buffer to read data into
     * @param remoteAddress remote memory address for RDMA read
     * @param remoteKey remote memory key
     * @param length number of bytes to read
     * @return number of bytes actually read
     * @throws IOException if read operation fails
     */
    public abstract int read(ByteBuffer buffer, long remoteAddress, int remoteKey, int length) throws IOException;

    /**

            // Given
            byte[] dst = new byte[100];
            int dstIndex = 10;

            // When
            Method method = SmbComNtCancel.class.getDeclaredMethod("writeParameterWordsWireFormat", byte[].class, int.class);
            method.setAccessible(true);
            int result = (int) method.invoke(cancel, dst, dstIndex);

            // Then
            assertEquals(0, result);

        lengthField.setAccessible(true);
        int actualLength = (int) lengthField.get(response);

        assertEquals(expectedLength, actualLength);
    }

    @DisplayName("Test readParametersWireFormat with various lengths")
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 100, 1000, 65535, Integer.MAX_VALUE })
    void testReadParametersWireFormatWithVariousLengths(int expectedLength) throws Exception {

     *
     * @param line the line to analyze
     * @param ch the character to count
     * @return the number of occurrences
     */
    protected int countOccurrences(final String line, final char ch) {
        int count = 0;
        boolean inQuotes = false;

        for (int i = 0; i < line.length(); i++) {
            final char c = line.charAt(i);
            if (c == '"') {
                inQuotes = !inQuotes;

        // writeInt2 writes in little-endian format (LSB first)
        int written = (buffer[0] & 0xFF) | ((buffer[1] & 0xFF) << 8);
        int expected = level & 0xFFFF;
        assertEquals(expected, written);
    }

    // Helper method to extract string from buffer
    private String extractStringFromBuffer(byte[] buffer, int offset, int maxLen) {
        int end = offset;
        while (end < offset + maxLen && buffer[end] != 0) {

    }

    @ParameterizedTest
    @ValueSource(ints = { FileSystemInformation.SMB_INFO_ALLOCATION, FileSystemInformation.FS_SIZE_INFO,
            FileSystemInformation.FS_FULL_SIZE_INFO })
    void testConstructorWithDifferentInformationLevels(int informationLevel) {
        // Test constructor with different information levels

    }

    @ParameterizedTest
    @DisplayName("getPipeType echoes constructor input (edge values)")
    @ValueSource(ints = { 0, SmbPipeResource.PIPE_TYPE_RDONLY, SmbPipeResource.PIPE_TYPE_WRONLY, SmbPipeResource.PIPE_TYPE_DCE_TRANSACT })
    void getPipeTypeEchoesInput(int pipeType) throws Exception {
        // Arrange & Act
        SmbNamedPipe pipe = new SmbNamedPipe("smb://server/IPC$/foo", pipeType, ctx());

     * @return the number of bytes actually read
     * @throws IOException if an I/O error occurs
     */
    public static int readn(final InputStream in, final byte[] b, final int off, final int len) throws IOException {
        int i = 0, n = -5;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;

        int dstIndex = 5; // Start at offset 5
        int bytesEncoded = fileInternalInfo.encode(destinationBuffer, dstIndex);

        // Verify
        assertEquals(8, bytesEncoded);
        assertEquals(expectedIndexNumber, SMBUtil.readInt8(destinationBuffer, dstIndex));

        // Verify surrounding bytes are untouched
        for (int i = 0; i < dstIndex; i++) {

        buffer[6] = 0;
        buffer[7] = 0;

        return buffer;
    }

    private byte[] createDfsReferralBufferWithMultipleReferrals(int numReferrals) {
        // Each referral structure needs 20 bytes, plus string data
        int referralSize = 20;
        int referralsDataSize = numReferrals * referralSize;

        // Add space for string data for each referral
        String testPath = "\\server\\share";