when(negotiationResponse.canReuse(any(CIFSContext.class), anyBoolean())).thenReturn(true);

        // Use reflection to set the negotiated response
        Field negotiatedField = SmbTransportImpl.class.getDeclaredField("negotiated");
        negotiatedField.setAccessible(true);
        negotiatedField.set(initial, negotiationResponse);

        // When: Request connection with signing enforced

    /**
     * Constructs a new SmbUnsupportedOperationException with a default message
     */
    public SmbUnsupportedOperationException() {
        super("Operation is not supported with the negotiated capabilities");
    }

    /**
     * Constructs a new SmbUnsupportedOperationException with the specified message
     * @param msg the detail message
     */

        when(negotiateResponse.getSelectedPreauthHash()).thenReturn(1); // SHA-512
        setPrivateField(transport, "smb2", true);
        setPrivateField(transport, "negotiated", negotiateResponse);

        int threadCount = 10;
        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch doneLatch = new CountDownLatch(threadCount);

    }

    private void negotiate(int port, final ServerMessageBlock resp) throws IOException {
        /* We cannot use Transport.sendrecv() yet because
         * the Transport thread is not setup until doConnect()
         * returns and we want to supress all communication
         * until we have properly negotiated.
         */
        synchronized (sbuf) {
            if (port == 139) {

 */
package jcifs.smb;

import jcifs.CIFSException;

/**
 * Exception thrown when an SMB protocol downgrade attack is detected.
 * Indicates that the negotiated protocol version is lower than expected or required.
 *
 * @author mbechler
 *
 */
public class SMBProtocolDowngradeException extends CIFSException {

    /**

                log.debug("Multiple preauth negotiate contexts");
                return false;
            }
        }

        if (!foundPreauth) {
            log.error("Missing preauth negotiate context");
            return false;
        }
        if (!foundEnc && (caps & Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION) != 0) {
            log.error("Missing encryption negotiate context");
            return false;

        final int start = bufferIndex;

        pathConsumed = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        /* Samba 2.2.8a will reply with Unicode paths even though
         * ASCII is negotiated so we must use flags2 (probably
         * should anyway).
         */
        if ((flags2 & FLAGS2_UNICODE) != 0) {
            pathConsumed /= 2;
        }
        numReferrals = readInt2(buffer, bufferIndex);

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma;

/**
 * RDMA negotiation response parameters.
 *
 * Contains the negotiated parameters returned by the RDMA peer
 * during connection establishment.
 */
public class RdmaNegotiateResponse {

    private int status;
    private int selectedVersion;
    private int creditsGranted;

     * @param selectedMech the selected mechanism OID
     * @return whether the specified mechanism is preferred
     */
    boolean isPreferredMech(ASN1ObjectIdentifier selectedMech);

    /**
     * Gets the negotiated context flags.
     * @return context flags
     */
    int getFlags();

    /**
     * Gets the array of supported security mechanism OIDs.
     * @return array of supported mechanism OIDs
     */

        // Test that ChannelManager initializes properly
        assertNotNull(channelManager);
        assertNotNull(channelManager.getChannels());
        // Note: isUseMultiChannel() checks if actual multi-channel is negotiated with server
        // In mock environment, this will be false until we mock successful negotiation

        // Verify load balancer is initialized
        assertNotNull(channelManager.getLoadBalancer());
    }