// Create copy with varying number of chunks
                SrvCopychunk[] chunks = Arrays.copyOf(testCases, numChunks);
                SrvCopychunkCopy copy = new SrvCopychunkCopy(sourceKey, chunks);
                byte[] buffer = new byte[500];

                // When
                int expectedSize = copy.size();
                int actualEncoded = copy.encode(buffer, 0);

                // Then

                        final Smb2IoctlRequest copy = new Smb2IoctlRequest(sh.getConfig(),
                                write ? Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK_WRITE : Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK, dfd.getFileId());
                        copy.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                        copy.setInputData(new SrvCopychunkCopy(resumeKey, chunkInfo));

        // This test assumes that the AvPair constructor does NOT make a defensive copy of the raw array.
        // If a defensive copy were made, this test would fail, and the behavior would be more robust.
        // Given the current implementation, direct modification of the passed array affects the AvPair.
        // If this is not desired, a defensive copy should be added in the AvPair constructor.

        }
        return defaultValue;
    }

    /**
     * Creates a new DataStoreParams instance with a copy of the current parameters.
     * This provides an independent copy that can be modified without affecting the original.
     *
     * @return a new DataStoreParams instance containing a copy of the current parameters
     */
    public DataStoreParams newInstance() {
        return new DataStoreParams(params);

 * 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

/**
 * SMB2 SRV_COPYCHUNK_COPY data structure. This structure is used to perform server-side
 * 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

    }

    // Ensures clone() returns a deep copy; mutations are independent across instances
    @Test
    @DisplayName("clone: returns deep copy and independent state")
    void clone_returnsDeepCopy() {
        // Arrange
        byte[] data = new byte[] { 10, 20, 30 };
        SecurityBlob original = new SecurityBlob(data);

        // Act

        assertArrayEquals(data, t.getMechanismToken(), "mechanismToken should round-trip");

        // Document current behavior: no defensive copy (reference exposed)
        data[0] = 9;
        assertEquals(9, t.getMechanismToken()[0], "no defensive copy; reflects external mutation");
    }

    @Test
    @DisplayName("Setter and getter for mechanismListMIC work")
    void setGetMechanismListMIC() {

 * and accessing SMB authentication credentials.
 *
 * @author mbechler
 */
public interface CredentialsInternal extends Cloneable, Credentials {

    /**
     * Create a copy of the credentials.
     * @return a copy of the credentials
     */
    CredentialsInternal clone();

    /**
     * Create an SSP context for authentication.
     * @param tc the CIFS context

        // Clone and verify basic fields copied
        JAASAuthenticator copy = (JAASAuthenticator) orig.clone();
        assertEquals(orig.getUsername(), copy.getUsername());
        assertEquals(orig.getUserDomain(), copy.getUserDomain());
        assertEquals(orig.getPassword(), copy.getPassword());

        // Test the cloning behavior with both null and non-null cached subjects