void testPooledVsNonPooledConnections() {
        // When: Create pooled and non-pooled connections
        SmbTransportImpl pooled = pool.getSmbTransport(ctx, address, 445, false);
        SmbTransportImpl nonPooled = pool.getSmbTransport(ctx, address, 445, true);

        // Then: Pool should track pooled but not non-pooled
        assertTrue(pool.contains(pooled), "Pooled connection should be tracked");

        }
    }

    @Test
    @DisplayName("getDefaultPort returns SMB default port 445")
    void testGetDefaultPort() {
        // Act
        int port = handler.getDefaultPort();

        // Assert
        assertEquals(445, port);
        assertEquals(SmbConstants.DEFAULT_PORT, port);
    }

    @Test
    @DisplayName("openConnection creates SmbFile for valid URL")

        transport.server = serverData;

        smbtStatic = mockStatic(SmbTransport.class);
        smbtStatic.when(() -> SmbTransport.getSmbTransport(addr, 445, inet, 0, null)).thenReturn(transport);
        smbtStatic.when(() -> SmbTransport.getSmbTransport(addr, 445)).thenReturn(transport);
    }

    @AfterEach
    void tearDown() {
        if (smbtStatic != null) {
            smbtStatic.close();
        }
    }

    }

    @Test
    public void testCreateConnection() throws Exception {
        InetSocketAddress remote = new InetSocketAddress("localhost", 445);
        InetSocketAddress local = null;

        RdmaConnection connection = provider.createConnection(remote, local);
        assertNotNull(connection, "Connection should not be null");

        when(address.getHostName()).thenReturn("localhost");

        // Create the transport with safe defaults (no real sockets)
        transport = new SmbTransportImpl(ctx, address, 445, null, 0, false);

        // Reset MID to a known starting point for deterministic behavior
        setField(transport, "mid", new AtomicLong());
    }

 * - rdma.test.port=445 (target port, defaults to 445)
 */
public class RdmaIntegrationTest {

    private String testServer;
    private int testPort;
    private CIFSContext testContext;

    @BeforeEach
    public void setUp() throws Exception {
        testServer = System.getProperty("rdma.test.server");
        String portStr = System.getProperty("rdma.test.port", "445");

        }

        if (ipv6) {
            // IPv6 sockaddr_in6 structure (Windows AF_INET6 = 23)
            SMBUtil.writeInt2(23, buffer, offset); // sa_family: AF_INET6
            SMBUtil.writeInt2(445, buffer, offset + 2); // sin6_port
            SMBUtil.writeInt4(0, buffer, offset + 4); // sin6_flowinfo
            System.arraycopy(address.getAddress(), 0, buffer, offset + 8, 16); // sin6_addr

        InetAddress remoteAddr = InetAddress.getByName("192.168.1.100");

        NetworkInterfaceInfo localNic = new NetworkInterfaceInfo(localAddr, 1);
        NetworkInterfaceInfo remoteNic = new NetworkInterfaceInfo(remoteAddr, 445);

        // Mock transport doesn't have isConnected, but we can work around it

        ChannelInfo channel = new ChannelInfo("test-channel", mockTransport, localNic, remoteNic);

    /**
     * Verify that the hard‑coded default values are present.
     */
    @Test
    @DisplayName("Default constant values match expectations")
    void defaultValues() {
        assertEquals(445, SmbConstants.DEFAULT_PORT);
        assertEquals(10, SmbConstants.DEFAULT_MAX_MPX_COUNT);
        assertEquals(30000, SmbConstants.DEFAULT_RESPONSE_TIMEOUT);
        assertEquals(35000, SmbConstants.DEFAULT_SO_TIMEOUT);

    void testContextInformation() {
        // Given
        Map<String, Object> initialContext = new HashMap<>();
        initialContext.put("host", "server.example.com");
        initialContext.put("port", 445);

        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Permission denied", null,
                SmbOperationException.RetryPolicy.DEFAULT, initialContext);

        // When