verify(session).getSessionKey();
    }

    // Happy path: transport is returned and verified
    @Test
    @DisplayName("getTransport returns mocked transport")
    void getTransport_happy() {
        when(session.getTransport()).thenReturn(transport);
        assertSame(transport, session.getTransport());
        verify(session).getTransport();
    }

    private RdmaConnection rdmaConnection;
    private final Object connectionLock = new Object();

    /**
     * Creates a new RDMA transport wrapping the given delegate transport.
     *
     * @param delegate the underlying SMB transport to wrap
     * @param context the CIFS context for configuration
     */
    public RdmaTransport(SmbTransportInternal delegate, CIFSContext context) {

    }

    @Test
    void testIsTrustedDomain_ConnectionFails() throws SmbAuthException {
        // Scenario: Transport connection fails
        when(mockCredentials.getUserDomain()).thenReturn("authdomain.com");
        // When transport fails, it should return false
        assertFalse(dfsImpl.isTrustedDomain(mockContext, "anydomain.com"));
    }

    // Tests for getDc
    @Test

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#error()
     */
    @Override
    public final void error() {
        this.error = true;
        synchronized (this) {
            notifyAll();
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#clearReceived()
     */
    @Override

    void testTreeConnectSmb2() throws CIFSException, IOException {
        when(transport.isSMB2()).thenReturn(true);
        when(transport.getContext()).thenReturn(context);
        when(session.getTargetHost()).thenReturn("localhost");

        // Mock negotiate response for SMB2
        Smb2NegotiateResponse nego = mock(Smb2NegotiateResponse.class);
        when(transport.getNegotiateResponse()).thenReturn(nego);

package jcifs.smb1.util.transport;

/**
 * Marker interface for transport layer request objects.
 * Represents a request that can be sent through the SMB1 transport layer.
 */
public interface Request {

 * Add URLStreamHandlerFactory support so that `URL.openConnection()` uses
   OkHttp.
 * Expose the transport ("http/1.1", "spdy/3", etc.) via magic request headers.
   Use `X-Android-Transports` to write the preferred transports and
   `X-Android-Selected-Transport` to read the negotiated transport.


## Version 1.0.2

_2013-05-11_

 * Fix: Remove use of Java 6-only APIs.

    }

    /**
     * Constructs a new signing digest using transport and authentication credentials.
     *
     * @param transport the SMB transport for this signing context
     * @param auth the NTLM password authentication credentials
     * @throws SmbException if MD5 algorithm is not available or key generation fails
     */
    public SigningDigest(final SmbTransport transport, final NtlmPasswordAuthentication auth) throws SmbException {

            || error.getMessage().contains("retry");
    }
    
    private void fallbackToTcp(RdmaConnection connection) {
        log.info("Falling back to TCP transport");
        // Switch transport to TCP
        // This would require transport factory modification
    }
}
```

## 10. Security Considerations

### 10.1 RDMA Security
```java
public class RdmaSecurityManager {

        this.macSigningKey = macSigningKey;
        this.signSequence = initialSequence;
    }

    /**
     * Constructs a signing digest from transport and authentication information
     *
     * @param transport
     *            The SMB transport containing server encryption key
     * @param auth
     *            The NTLM password authenticator containing user credentials
     * @throws SmbException