int length = 0x12345678;
            SrvCopychunk chunk = new SrvCopychunk(sourceOffset, targetOffset, length);
            byte[] buffer = new byte[EXPECTED_SIZE];

            // When
            int bytesWritten = chunk.encode(buffer, 0);

            // Then
            assertEquals(EXPECTED_SIZE, bytesWritten);
            assertEquals(chunk.size(), bytesWritten);

            // Verify complete structure

        }

        @Test
        @DisplayName("Should return correct size with single chunk")
        void testSizeWithSingleChunk() {
            // Given
            byte[] sourceKey = new byte[SOURCE_KEY_SIZE];
            SrvCopychunk chunk = new SrvCopychunk(0, 0, 0);
            SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, chunk);

            // When
            int size = copy.size();

            // Then

 * 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

        }

        @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
            );

/**
 * 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

    public SrvCopyChunkCopyResponse() {
    }

    private int chunksWritten;
    private int chunkBytesWritten;
    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

        // Write 11MB of data
        try (FileOutputStream fos = new FileOutputStream(largeFile)) {
            final byte[] chunk = new byte[1024 * 1024]; // 1MB
            for (int i = 0; i < 11; i++) { // Write 11MB
                fos.write(chunk);
            }
        }

        try {
            FileUtil.readBytes(largeFile);
            fail("Expected IORuntimeException for large file");

 */
package jcifs.smb;

/**
 * This class represents the Secrity_Blob in SMB Block and is set to support
 * kerberos authentication.
 *
 * @author Shun
 *
 */
class SecurityBlob {

    private byte[] b = {};

    SecurityBlob() {
    }

    SecurityBlob(final byte[] b) {
        set(b);
    }

    void set(final byte[] b) {

    /**
     * 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
     */

import java.util.Objects;

import org.bouncycastle.asn1.ASN1ObjectIdentifier;

/**
 * This class is used to parse the name of context initiator and
 * context acceptor which are retrieved from GSSContext.
 *
 * @author Shun
 *
 */
class MIEName {

    private static byte[] TOK_ID = { 04, 01 };
    private static int TOK_ID_SIZE = 2;
    private static int MECH_OID_LEN_SIZE = 2;
    private static int NAME_LEN_SIZE = 4;