}

    // The basic MD4 atomic functions.

    private int FF(final int a, final int b, final int c, final int d, final int x, final int s) {
        final int t = a + (b & c | ~b & d) + x;
        return t << s | t >>> 32 - s;
    }

    private int GG(final int a, final int b, final int c, final int d, final int x, final int s) {
        final int t = a + (b & (c | d) | c & d) + x + 0x5A827999;

 */
public class SmbRandomAccessFile implements DataOutput, DataInput {

    private static final int WRITE_OPTIONS = 0x0842;

    private final SmbFile file;
    private long fp;
    private int openFlags, access = 0;

    private final int readSize;

    private final int writeSize;

    private int ch;

    private int options = 0;
    private final byte[] tmp = new byte[8];

        void testEncodeVariousCipherCounts(int cipherCount) {
            int[] ciphers = new int[cipherCount];
            for (int i = 0; i < cipherCount; i++) {
                ciphers[i] = i + 1;
            }
            EncryptionNegotiateContext context = new EncryptionNegotiateContext(mockConfig, ciphers);

            int bytesWritten = context.encode(buffer, 0);

    private static byte[] buildIoctlResponseBody(int ctlCode, byte[] fileId, int inputCount, byte[] inputBytes, int outputCount,
            byte[] outputBytes, int ioctlFlags) {
        final int headerLen = 64; // SMB2 header is 64 bytes
        final int bodyFixed = 48; // body size minus 1 for structure size field overlap
        final int payloadStart = headerLen + bodyFixed;
        final int bodyLen = bodyFixed + inputCount + outputCount;

        byte[] buffer = new byte[30]; // Extra space to test offset
        int bufferIndex = 5; // Start at offset 5
        long expectedAllocationSize = 2048L;
        long expectedEndOfFile = 1536L;
        int expectedNumberOfLinks = 5;
        boolean expectedDeletePending = true;
        boolean expectedDirectory = true;

        // Encode test data at offset
        int offset = bufferIndex;

            when(decodeBuffer.dec_ndr_short()).thenReturn((int) originalUuid.time_mid, (int) originalUuid.time_hi_and_version);
            when(decodeBuffer.dec_ndr_small()).thenReturn((int) originalUuid.clock_seq_hi_and_reserved, (int) originalUuid.clock_seq_low,
                    (int) originalUuid.node[0], (int) originalUuid.node[1], (int) originalUuid.node[2], (int) originalUuid.node[3],
                    (int) originalUuid.node[4], (int) originalUuid.node[5]);

     * @return the total number of bytes read into the buffer, or -1 if there is no more data
     * @throws IOException if an I/O error occurs
     */
    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        return inputStream.read(b, off, len);
    }

    /**
     * Reads some number of bytes from the input stream and stores them into the buffer array b.
     *

        addFieldDescs(interfaceClass);
        final Class<?>[] interfaces = interfaceClass.getInterfaces();
        for (final Class<?> intf : interfaces) {
            setupFieldDescsByInterface(intf);
        }
    }

    /**
     * Prepares the fields defined in the class.
     *
     * @param targetClass
     *            the target class
     */

    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {
            int[] pair = DosError.DOS_ERROR_CODES[i];
            assertEquals(2, pair.length, String.format("Error mapping at index %d should contain two integers", i));
        }

     */
    int read() throws SmbException;

    /**
     * Read into buffer from current position
     *
     * @param b
     *            buffer
     * @return number of bytes read
     * @throws SmbException if an I/O error occurs during read
     */
    int read(byte[] b) throws SmbException;

    /**
     * Read into buffer from current position
     *
     * @param b