when(mockAndxCommand.getCommand()).thenReturn(0x42);

        testBlock = new TestAndXServerMessageBlock(mockConfig, (byte) 0x25, mockAndxCommand);

        assertEquals(mockAndxCommand, testBlock.getAndx());
        assertEquals(mockAndxCommand, testBlock.getNext());
        assertEquals(mockAndxCommand, testBlock.getNextResponse());
    }

    @Test
    @DisplayName("Test constructor without andx command")

            this.andxCommand = (byte) andx.getCommand();
        }
    }

    /**
     * Gets the chained AndX command
     * @return the andx
     */
    public final ServerMessageBlock getAndx() {
        return this.andx;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#getNext()
     */
    @Override

            do {
                curReq.setResponse(curResp);

                final ServerMessageBlock nextReq = curReq.getAndx();
                if (nextReq == null) {
                    break;
                }
                final ServerMessageBlock nextResp = curResp.getAndx();
                nextReq.setResponse(nextReq);

        assertEquals(0, alignedBytes);
        assertEquals(4, ndrBuffer.getIndex());
    }

    @Test
    void testWriteOctetArray() {
        byte[] data = { 0x01, 0x02, 0x03, 0x04 };
        ndrBuffer.writeOctetArray(data, 0, data.length);

        assertEquals(data.length, ndrBuffer.getIndex());
        assertEquals(data.length, ndrBuffer.getLength());

    }

    @Override
    public void encode(final NdrBuffer buf) throws NdrException {
        final int start = buf.getIndex();
        int alloc_hint_index = 0;

        buf.advance(16); /* momentarily skip header */
        if (this.ptype == 0) { /* Request */
            alloc_hint_index = buf.getIndex();
            buf.enc_ndr_long(0); /* momentarily skip alloc hint */
            buf.enc_ndr_short(0); /* context id */

    }

    @Override
    public void encode(final NdrBuffer buf) throws NdrException {
        final int start = buf.getIndex();
        int alloc_hint_index = 0;

        buf.advance(16); /* momentarily skip header */
        if (ptype == 0) { /* Request */
            alloc_hint_index = buf.getIndex();
            buf.enc_ndr_long(0); /* momentarily skip alloc hint */
            buf.enc_ndr_short(0); /* context id */

        NdrShort ns = new NdrShort(original);
        buf.reset();
        ns.encode(buf); // should not throw

        // After encoding, check how many bytes were used
        int bytesUsed = buf.getIndex();
        // Should be 2 bytes for the short value (alignment may add padding)
        assertTrue(bytesUsed >= 2, "Should use at least 2 bytes for short");

        // Reset index to read back
        buf.reset();

	for i, ver := range x.versions {
		if key == ver.header.VersionID {
			obj, err := x.getIdx(i)
			return i, obj, err
		}
	}
	return -1, nil, errFileVersionNotFound
}

func (x *xlMetaV2) getIdx(idx int) (ver *xlMetaV2Version, err error) {
	if idx < 0 || idx >= len(x.versions) {
		return nil, errFileNotFound
	}
	var dst xlMetaV2Version

            message.ptype = DcerpcConstants.RPC_PT_REQUEST; // 0
            message.call_id = 1;
            message.opnumValue = 5;

            when(mockBuffer.getIndex()).thenReturn(0).thenReturn(16).thenReturn(20).thenReturn(24);
            lenient().doNothing().when(mockBuffer).advance(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_long(anyInt());

        length = 0;
        deferred = this;
    }

    /**
     * Returns the current index position in the buffer.
     *
     * @return the current index
     */
    public int getIndex() {
        return index;
    }

    /**
     * Sets the current index position in the buffer.
     *
     * @param index the new index position
     */
    public void setIndex(final int index) {