// 3. Event notifications
        mockService.sendNotification(WitnessEventType.RESOURCE_CHANGE, "\\\\cluster\\share");
        mockService.sendNotification(WitnessEventType.CLIENT_MOVE, "\\\\cluster\\share");
        mockService.sendNotification(WitnessEventType.NODE_AVAILABLE, "\\\\cluster\\share");

        // 4. Cleanup and unregistration
        assertTrue(mockService.unregisterWitness(regId));

        void testGetShare() {
            // Act & Assert
            assertEquals("share", smbFile.getShare());
        }

        @Test
        void testGetUncPath() {
            // Arrange
            doReturn("\\localhost\share\file.txt").when(smbFile).getUncPath();

            // Act & Assert
            assertEquals("\\localhost\share\file.txt", smbFile.getUncPath());
        }
    }

    @Nested

    private final List<StackTraceElement[]> releases;

    private DfsReferralData treeReferral;

    SmbTreeImpl(final SmbSessionImpl session, final String share, final String service) {
        this.session = session.acquire();
        this.share = share.toUpperCase();
        if (service != null && !service.startsWith("??")) {
            this.service = service;
        }
        this.service0 = this.service;

        assertFalse(protocolHelper.isValidFileProtocol("smb://server/share"));

        protocolHelper.addFileProtocol("smb");
        assertEquals(2, protocolHelper.getFileProtocols().length);
        assertEquals("smb:", protocolHelper.getFileProtocols()[1]);
        assertTrue(protocolHelper.isValidFileProtocol("smb://server/share"));
    }

    @Test
    public void test_addFileProtocol_duplicateProtocol() {

    private int pathConsumed;
    private long ttl;
    private String server; // Server
    private String share; // Share
    private String link;
    private String path; // Path relative to tree from which this referral was thrown

    private long expiration;
    private int rflags;

    private boolean resolveHashes;

    private DfsReferralDataImpl next;

        // Test different share types and their transformations
        // Type 0 (disk share) -> TYPE_SHARE (8)
        srvsvc.ShareInfo1 diskShare = new srvsvc.ShareInfo1();
        diskShare.netname = "DiskShare";
        diskShare.type = 0;
        diskShare.remark = "Disk share";

        // Type 1 (printer share) -> TYPE_PRINTER (4)

  CHECK_EQ(TF_OK, TF_GetCode(status_)) << TF_Message(status_);

  // Infer shape when everything is known.
  CheckOutputShapes(matmul_op,
                    /*input_shapes*/ {make_shape({3, 2}), make_shape({2, 4})},
                    /*input_tensors*/ {},
                    /*expected_shape*/ make_shape({3, 4}));

  // Infer shape when second operand has unknown shape.
  CheckOutputShapes(matmul_op,

        t1.url = "smb://server1/share/file.txt";

        t2.numThreads = 5;
        t2.url = "smb://server2/share/file.txt";

        // Verify independence
        assertEquals(2, t1.numThreads, "t1 should have its own numThreads value");
        assertEquals(5, t2.numThreads, "t2 should have its own numThreads value");
        assertEquals("smb://server1/share/file.txt", t1.url, "t1 should have its own URL");

            throw new SmbException("Invalid server name in UNC path");
        }

        // Validate share name
        String share = parts[1];
        if (share.isEmpty() || share.endsWith("$") && share.length() == 1) {
            throw new SmbException("Invalid share name in UNC path");
        }
    }

    /**
     * Validate individual path components
     */

                () -> new SmbFileHandleImpl(cfg, new byte[] { 1, 2 }, null, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test
    @DisplayName("Constructor with null cfg throws NPE")
    void constructor_nullCfg_throwsNPE() {
        stubValidTree(7L, true, true);
        assertThrows(NullPointerException.class, () -> new SmbFileHandleImpl(null, 42, tree, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test