void testEncodeMultipleChunks() {
            // Given
            SrvCopychunk chunk1 = new SrvCopychunk(100, 200, 300);
            SrvCopychunk chunk2 = new SrvCopychunk(400, 500, 600);
            SrvCopychunk chunk3 = new SrvCopychunk(700, 800, 900);
            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, chunk1, chunk2, chunk3);

            // When

            // Given
            SrvCopychunk chunk1 = new SrvCopychunk(100, 200, 300);
            SrvCopychunk chunk2 = new SrvCopychunk(400, 500, 600);
            SrvCopychunk chunk3 = new SrvCopychunk(700, 800, 900);
            byte[] buffer = new byte[EXPECTED_SIZE * 3];

            // When
            int offset1 = chunk1.encode(buffer, 0);
            int offset2 = chunk2.encode(buffer, offset1);

		},
		// Test - 2 no chunk extension, return same buffer.
		{
			[]byte("10000;"),
			[]byte("10000;"),
			nil,
		},
		// Test - 3 no chunk size, return error.
		{
			[]byte(";chunk-signature="),
			nil,
			nil,
		},
		// Test - 4 removes trailing slash.
		{

 * copy operations with multiple chunk specifications.
 *
 * @author mbechler
 *
 */
public class SrvCopychunkCopy implements Encodable {

    private final byte[] sourceKey;
    private final SrvCopychunk[] chunks;

    /**
     * Constructs a server copy chunk operation request
     * @param sourceKey the resume key identifying the source file
     * @param chunks the array of copy chunk descriptors
     */

        }

        @Test
        @DisplayName("Should handle mismatched chunk and total bytes")
        void testMismatchedValues() throws SMBProtocolDecodingException {
            // This could happen if the last chunk is smaller
            byte[] buffer = createValidCopyChunkResponse(10, // 10 chunks
                    65536, // Last chunk size (not average)
                    589824 // Total less than 10 * 65536
            );

// lineTooLong is generated as chunk header is bigger than 4KiB.
var errLineTooLong = errors.New("header line too long")

// malformed encoding is generated when chunk header is wrongly formed.
var errMalformedEncoding = errors.New("malformed chunked encoding")

// chunk is considered too big if its bigger than > 16MiB.
var errChunkTooBig = errors.New("chunk too big: choose chunk size <= 16MiB")

      for (int remaining = len; remaining >= 3; remaining -= 3) {
        int chunk = (bytes[i++] & 0xFF) << 16 | (bytes[i++] & 0xFF) << 8 | (bytes[i++] & 0xFF);
        target.append(alphabet.encode(chunk >>> 18));
        target.append(alphabet.encode((chunk >>> 12) & 0x3F));
        target.append(alphabet.encode((chunk >>> 6) & 0x3F));
        target.append(alphabet.encode(chunk & 0x3F));
      }
      if (i < off + len) {

/**
 * SMB2 SRV_COPYCHUNK data structure. This structure represents a single chunk specification
 * for server-side copy operations.
 *
 * @author mbechler
 *
 */
public class SrvCopychunk implements Encodable {

    private final long sourceOffset;
    private final long targetOffset;
    private final int length;

    /**
     * Constructs a server copy chunk descriptor
     * @param soff the source file offset

    private int totalBytesWritten;

    /**
     * Gets the number of bytes written in the last chunk
     * @return the chunkBytesWritten
     */
    public int getChunkBytesWritten() {
        return this.chunkBytesWritten;
    }

    /**
     * Gets the number of chunks successfully written
     * @return the chunksWritten
     */
    public int getChunksWritten() {

    /**
     * Function code to transceive data on a named pipe
     */
    public static final int FSCTL_PIPE_TRANSCEIVE = 0x0011C017;
    /**
     * Function code for server-side copy chunk operation
     */
    public static final int FSCTL_SRV_COPYCHUNK = 0x001440F2;
    /**
     * Function code to enumerate volume shadow copy snapshots
     */