void testIsRootAndShare() {
        assertTrue(locator("smb://server/").isRoot());
        assertFalse(locator("smb://server/share/").isRoot());
        assertTrue(locator("smb://server/").isRootOrShare());
        assertTrue(locator("smb://server/share/").isRootOrShare());
        assertFalse(locator("smb://server/share/path").isRootOrShare());
    }

    @Test

            SmbFile parent = mock(SmbFile.class, RETURNS_DEEP_STUBS);
            SmbResourceLocator locator = mock(SmbResourceLocator.class);
            when(parent.getLocator()).thenReturn(locator);
            when(locator.getURL()).thenReturn(new URL("file:/"));
            when(locator.getAddress()).thenThrow(new CIFSException("no master", new UnknownHostException("MB")));

    void overlapsReturnsTrueThenFalse() throws Exception {
        when(locator.overlaps(other)).thenReturn(true, false);

        assertTrue(locator.overlaps(other));
        assertFalse(locator.overlaps(other));

        verify(locator, times(2)).overlaps(other);
        verifyNoMoreInteractions(locator);
    }

    // Error path: overlaps may throw a CIFSException per signature
    @Test

    void testConstructor_NonWorkgroupType_ThrowsException() throws Exception {
        // Given: A non-workgroup type with a host
        when(locator.getType()).thenReturn(SmbConstants.TYPE_SERVER);
        when(locator.getURL()).thenReturn(createSmbURL("smb://server/"));

        // When & Then: Constructor should throw SmbException

            final ResourceNameFilter fnf, final ResourceFilter ff) throws CIFSException {
        // clone the locator so that the address index is not modified
        final SmbResourceLocatorImpl locator = parent.fileLocator.clone();
        final CIFSContext tc = parent.getContext();
        final URL u = locator.getURL();

        FileEntry[] entries;

        if (u.getPath().lastIndexOf('/') != u.getPath().length() - 1) {

            final ResourceNameFilter filter) throws CIFSException {
        this.parent = parent;
        this.nameFilter = filter;
        final SmbResourceLocator locator = parent.getLocator();
        this.workgroup = locator.getType() == SmbConstants.TYPE_WORKGROUP;
        if (locator.getURL().getHost().isEmpty()) {
            this.request = new NetServerEnum2(th.getConfig(), th.getOEMDomainName(), NetServerEnum2.SV_TYPE_DOMAIN_ENUM);

    void happyPath_enumerates_and_closes(String wildcard) throws Exception {
        // Setup required for this test
        when(parent.getLocator()).thenReturn(locator);
        when(locator.getUNCPath()).thenReturn("\\\\server\\share\\dir\\");
        when(tree.getConfig()).thenReturn(config);
        when(config.getMaximumBufferSize()).thenReturn(65535);

        lenient().when(parent.getLocator()).thenReturn(locator);
        lenient().when(locator.getUNCPath()).thenReturn("\\\\SERVER\\Share\\dir\\"); // ends with \\

        // Create URL with registered handler
        URL smbUrl = new URL("smb://server/share/dir/");
        lenient().when(locator.getURL()).thenReturn(smbUrl);
    }

        lenient().when(session.getAttribute(anyString())).thenReturn(null);

        // Setup SmbFile mock
        lenient().when(smbFile.getLocator()).thenReturn(locator);
        lenient().when(locator.getCanonicalURL()).thenReturn("smb://server/share/");
    }

    /**
     * Test servlet initialization with default parameters
     */
    @Test

            when(resource.getLocator()).thenReturn(mockLocator);

            // When
            SmbResourceLocator locator = resource.getLocator();

            // Then
            assertNotNull(locator, "Locator should not be null");
            assertSame(mockLocator, locator, "Should return the expected locator");
        }

        @Test
        @DisplayName("getContext should return CIFSContext")