@Override
        protected int writeSetupWireFormat(byte[] dst, int dstIndex) {
            return setupWireFormatReturn;
        }

        @Override
        protected int writeParametersWireFormat(byte[] dst, int dstIndex) {
            return parametersWireFormatReturn;
        }

        @Override
        protected int writeDataWireFormat(byte[] dst, int dstIndex) {
            return dataWireFormatReturn;

        index += SmbConstants.SIGNATURE_OFFSET;
        final byte[] sequence = new byte[8];
        SMBUtil.writeInt4(msg.getSignSeq(), sequence, 0);
        update(sequence, 0, sequence.length);
        index += 8;
        if (msg.getCommand() == ServerMessageBlock.SMB_COM_READ_ANDX) {
            /*
             * SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */

		src      io.Reader
		skipLen  int64
		expected string
	}{
		{bytes.NewBuffer([]byte("")), 0, ""},
		{bytes.NewBuffer([]byte("")), 1, ""},
		{bytes.NewBuffer([]byte("abc")), 0, "abc"},
		{bytes.NewBuffer([]byte("abc")), 1, "bc"},
		{bytes.NewBuffer([]byte("abc")), 2, "c"},
		{bytes.NewBuffer([]byte("abc")), 3, ""},
		{bytes.NewBuffer([]byte("abc")), 4, ""},
	}
	for i, testCase := range testCases {

   * source created with some given bytes, this method would return a subsequence of the given
   * (byte[]) data.
   */
  T getExpected(T data);

  /** Cleans up anything created when creating the source or sink. */
  void tearDown() throws IOException;

  /** Factory for byte or char sources. */
  interface SourceFactory<S, T> extends SourceSinkFactory<S, T> {

     */
    public NdrBuffer deferred;

    /**
     * Constructs an NdrBuffer with the specified byte array and starting position.
     *
     * @param buf the byte array to use as the buffer
     * @param start the starting position in the buffer
     */
    public NdrBuffer(final byte[] buf, final int start) {
        this.buf = buf;
        this.start = this.index = start;
        this.length = 0;

        }

        @Override
        public byte[] getSessionKey() throws CIFSException {
            return sessionKey;
        }

        @Override
        protected void doSendFragment(byte[] buf, int off, int length) throws IOException {
            // Mock implementation for testing
        }

        @Override
        protected int doReceiveFragment(byte[] buf) throws IOException {

    }

    @Test
    @DisplayName("Test decode method with valid buffer")
    void testDecodeWithValidBuffer() throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[256];
        int bufferIndex = 0;
        int expectedLength = 100;

        when(messageBlock.decode(buffer, bufferIndex)).thenReturn(expectedLength);

        // When

        // Test reading parameter words from wire format
        response = new SmbComQueryInformationResponse(mockConfig, 0L);

        // Prepare test data
        byte[] buffer = new byte[256];
        int bufferIndex = 0;

        // Set wordCount to non-zero
        setFieldValue(response, "wordCount", 10);

        // Write test data to buffer

package cmd

import (
	"fmt"
	"time"

	"github.com/tinylib/msgp/msgp"
)

// unmarshalV unmarshals with a specific header version.
func (x *xlMetaV2VersionHeader) unmarshalV(v uint8, bts []byte) (o []byte, err error) {
	switch v {
	case 1:
		return x.unmarshalV1(bts)
	case 2:
		x2 := xlMetaV2VersionHeaderV2{xlMetaV2VersionHeader: x}
		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:

        return dstIndex - start;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    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;
    }