() -> 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

    static Stream<Arguments> portSpecs() {
        return Stream.of(
                // spec, expectedPort
                Arguments.of("smb://server/share", SmbConstants.DEFAULT_PORT), Arguments.of("smb://server:445/share", 445),
                Arguments.of("smb://server:139/share", 139));
    }

    @ParameterizedTest(name = "parseURL: {0} -> port {1}")
    @MethodSource("portSpecs")

    }

    /**
     * Retrieves the share associated with this SMB resource. In
     * the case of <code>smb://</code>, <code>smb://workgroup/</code>,
     * and <code>smb://server/</code> URLs which do not specify a share,
     * <code>null</code> will be returned.
     *
     * @return The share component or <code>null</code> if there is no share
     */
    public String getShare() {

    public int pathConsumed;
    /** Time to live for this referral in seconds */
    public long ttl;
    /** Target server for this referral */
    public String server; // Server
    /** Target share for this referral */
    public String share; // Share
    /** The complete UNC path link */
    public String link;
    /** Path relative to tree from which this referral was thrown */

    }

    @Test
    @DisplayName("Test getPath returns correct formatted path")
    void testGetPath() {
        request = new Smb2CreateRequest(mockConfig, "share\\file.txt");
        assertEquals("\\share\\file.txt", request.getPath());

        request.setPath("newpath\\newfile.txt");
        assertEquals("\\newpath\\newfile.txt", request.getPath());
    }

    @Test

        @ParameterizedTest
        @DisplayName("Should calculate correct size for various path lengths")
        @CsvSource({ "'', 4", "'a', 6", "'\\\\', 8", "'\\\\server', 20", "'\\\\server\\share', 32", "'\\\\server\\share\\path', 42",
                "'\\\\server\\share\\very\\long\\path\\with\\many\\segments', 100" })
        void testSizeCalculation(String path, int expectedSize) {
            buffer = new DfsReferralRequestBuffer(path, 3);

        // Write valid structure (16 bytes)
        SMBUtil.writeInt2(16, buffer, offset); // Structure size
        buffer[offset + 2] = (byte) 0x01; // Share type (DISK)
        buffer[offset + 3] = 0; // Reserved
        SMBUtil.writeInt4(0x8001, buffer, offset + 4); // Share flags (DFS | ENCRYPT_DATA)
        SMBUtil.writeInt4(0x28, buffer, offset + 8); // Capabilities (DFS | SCALEOUT)

     * @throws CIFSException if an error occurs retrieving the domain name
     */
    String getOEMDomainName() throws CIFSException;

    /**
     * Gets the name of the share this tree is connected to
     * @return the share we are connected to
     */
    String getConnectedShare();

    /**
     * Checks if this tree handle refers to the same tree as another
     * @param th the tree handle to compare with

     */
    CLIENT_MOVE(2),

    /**
     * Share moved to different node - share mobility event
     */
    SHARE_MOVE(3),

    /**
     * IP address changed - network configuration change
     */
    IP_CHANGE(4),

    /**
     * Share deleted - share removal notification
     */
    SHARE_DELETE(5),

    /**

        // Setup minimal mocks
        when(request.getRequestURI()).thenReturn("/explorer");
        when(request.getPathInfo()).thenReturn("/share/");
        when(locator.getCanonicalURL()).thenReturn("smb://server/share/");

        // Mock directory listing
        SmbFile file1 = mock(SmbFile.class);
        when(file1.getName()).thenReturn("document.pdf");