assertSame(transport, t);
        verify(transport, times(1)).acquire();
    }

    @Test
    @DisplayName("isSignatureSetupRequired depends on digest and negotiate flags")
    void testIsSignatureSetupRequired() throws Exception {
        SmbSessionImpl session = newSession();

        // Case 1: digest already set -> false

     *         context. This is used by the client to negotiate local
     *         authentication.
     */
    public byte[] getContext() {
        return this.context;
    }

    /**
     * Sets the local security context. This is used by the client
     * to negotiate local authentication.
     *
     * @param context
     *            The local security context.

 * 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
     */

     * both internally supplied passwords are equal. If one {@code NtlmPasswordAuthentication} object has external
     * hashes (meaning negotiated via NTLM HTTP Authentication) and the other does not they will not be equal. This is
     * technically not correct however the server 8 byte challenge would be required to compute and compare the password

        // TCP fallback doesn't support real RDMA write
        throw new UnsupportedOperationException("RDMA write not supported by TCP fallback");
    }

    @Override
    public RdmaNegotiateResponse negotiate(RdmaNegotiateRequest request) throws IOException {
        // For TCP fallback, we simulate successful negotiation
        RdmaNegotiateResponse response = new RdmaNegotiateResponse();
        response.setStatus(0); // Success

    /**
     * Function code to trim file level storage
     */
    public static final int FSCTL_FILE_LEVEL_TRIM = 0x00098208;
    /**
     * Function code to validate SMB2 negotiate information
     */
    public static final int FSCTL_VALIDATE_NEGOTIATE_INFO = 0x000140204;

    /**
     * Flag indicating this IOCTL is a file system control operation
     */

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;
            throw new IOException("DiSNI RDMA write failed", e);
        }
    }

    @Override
    public RdmaNegotiateResponse negotiate(RdmaNegotiateRequest request) throws IOException {
        // Simulate successful negotiation for skeleton implementation
        RdmaNegotiateResponse response = new RdmaNegotiateResponse();

        // 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());
    }

        assertTrue(context.isEstablished());
        assertArrayEquals(serverChallenge, context.getServerChallenge());
        // Signing key may or may not be generated depending on flags negotiation
        // The context negotiates flags with server, so we can't guarantee signing key
    }

    @Test
    void testInitSecContext_state2_withoutSigning() throws Exception {