assert (str.startsWith("TransTransactNamedPipeResponse["));
        assert (str.endsWith("]"));
    }
}

// We need to add a helper method to TransTransactNamedPipeResponse to make the test more precise
// Or create a visible subclass for testing.
// For now, let's assume we can modify the original class slightly for testability,
// or we accept the less precise testToStringFormat test.

        insecureBasic = Boolean.parseBoolean(Config.getProperty("jcifs.smb1.http.insecureBasic"));
        realm = Config.getProperty("jcifs.smb1.http.basicRealm");
        if (realm == null) {
            realm = "jCIFS";
        }
    }

    @Override

    private NtlmPasswordAuthentication mockAuth;

    private SmbComSessionSetupAndX setupAndX;

    @BeforeEach
    void setUp() throws Exception {
        MockitoAnnotations.openMocks(this);

        // Create a real ServerData instance as it's not mockable (inner class)
        SmbTransport.ServerData serverData = mockTransport.new ServerData();
        serverData.security = ServerMessageBlock.SECURITY_USER;

     * This demonstrates mocking capabilities for testing.
     */
    @Test
    @DisplayName("Mock interaction example with SmbTransport")
    void mockTransportInteraction() {
        // Create a mock of SmbTransport from jcifs package
        jcifs.SmbTransport mock = mock(jcifs.SmbTransport.class);
        // Stub the getRemoteHostName method
        when(mock.getRemoteHostName()).thenReturn("test-host");

        @DisplayName("getUserDomain: explicit realm overrides")
        void getUserDomain_fromExplicitRealm() {
            Kerb5Authenticator auth = new Kerb5Authenticator(new Subject());
            auth.setRealm("REALM.TEST");
            assertEquals("REALM.TEST", auth.getUserDomain());
        }

        @Test
        @DisplayName("getUserDomain: falls back to super domain when no realm/subject")

            try {
                // Create temporary directory structure for SMB shares
                Path tempDir = Files.createTempDirectory("smbtest");

                // Create directory structure
                Files.createDirectories(tempDir.resolve("public"));
                Files.createDirectories(tempDir.resolve("shared"));

                // Create some initial files

            this.insecureBasic = Config.getBoolean(p, "jcifs.http.insecureBasic", false);
            this.realm = p.getProperty("jcifs.http.basicRealm");
            if (this.realm == null) {
                this.realm = "jCIFS";
            }
            this.defaultDomain = p.getProperty("jcifs.smb.client.domain");

            this.insecureBasic = Boolean.parseBoolean(p.getProperty("jcifs.http.insecureBasic"));
            this.realm = p.getProperty("jcifs.http.basicRealm");
            if (this.realm == null) {
                this.realm = "jCIFS";
            }

            this.transportContext = new BaseContext(new PropertyConfiguration(p));

        } catch (final CIFSException ex) {

    @Test
    void testSend() throws SmbException {
        SmbTree tree = new SmbTree(session, "testShare", "A:");
        tree.connectionState = 2; // Connected state
        tree.tid = 123;

        // Create real request and response objects since they're not interfaces
        ServerMessageBlock request = new SmbComOpenAndX("testfile.txt", 0x01, 0, null);
        ServerMessageBlock response = new SmbComOpenAndXResponse();

    /**
     * Sent by the server in the Type 2 message to indicate that the
     * target authentication realm is a domain.
     */
    int NTLMSSP_TARGET_TYPE_DOMAIN = 0x00010000;

    /**
     * Sent by the server in the Type 2 message to indicate that the
     * target authentication realm is a server.
     */
    int NTLMSSP_TARGET_TYPE_SERVER = 0x00020000;

    /**