int bufferIndex = 0;
        int len = 10;
        when(mockDecodable.decode(buffer, bufferIndex, len)).thenReturn(10);

        // When
        int decodedLength = mockDecodable.decode(buffer, bufferIndex, len);

        // Then
        assertEquals(10, decodedLength);
        verify(mockDecodable).decode(buffer, bufferIndex, len);
    }

        i = pipe_buf.length - nxt_idx;
        if (len > i) {
            System.arraycopy(b, off, pipe_buf, nxt_idx, i);
            off += i;
            System.arraycopy(b, off, pipe_buf, 0, len - i);
        } else {
            System.arraycopy(b, off, pipe_buf, nxt_idx, len);
        }
        nxt_idx = (nxt_idx + len) % pipe_buf.length;
        used += len;
        return len;
    }

        align(4);
        int i = this.index;
        final int len = s.length();
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(0, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        System.arraycopy(Strings.getUNIBytes(s), 0, this.buf, i, len * 2);
        i += len * 2;
        this.buf[i] = (byte) '\0';
        i++;

     * @param len the number of bytes to write
     */
    public final void setParam(final int fid, final long offset, final int remaining, final byte[] b, final int off, final int len) {
        this.fid = fid;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        this.dataLength = len;
        this.digest = null; /*

    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        if (pipe.pipeIn != null) {

        return 0;
    }

    @Override
    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        available = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        int head = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    public String toString() {
        return ("TransWaitNamedPipe[" + super.toString() + ",pipeName=" + name + "]");

        if (Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while (i < len && Character.isDigit(data[i++])) {
                if (i == len && dots == 3) {
                    // probably an IP address

    int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    public String toString() {

        return 0;
    }

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, int bufferIndex, final int len) {
        final int start = bufferIndex;

        if (this.getSubCommand() == SmbComTransaction.TRANS2_FIND_FIRST2) {