return parent.isEmpty();
        }

        @Override
        public boolean contains(final Object o) {
            return parent.contains(o);
        }

        @Override
        public Iterator<E> iterator() {
            return parent.iterator();
        }

        @Override
        public Object[] toArray() {
            return parent.toArray();
        }

        // Verify filter interactions: not called for '.' and '..', called for others
        verify(nameFilter, never()).accept(parent, ".");
        verify(nameFilter, never()).accept(parent, "..");
        ArgumentCaptor<String> nameCaptor = ArgumentCaptor.forClass(String.class);
        verify(nameFilter, atLeast(1)).accept(eq(parent), nameCaptor.capture());
        assertTrue(nameCaptor.getAllValues().contains(acceptedName));

        }

        /**
         * Gets the parent SearchRequestParams object that this wrapper delegates to.
         *
         * @return the parent SearchRequestParams instance
         */
        public SearchRequestParams getParent() {
            return parent;
        }

        @Override
        public String getQuery() {
            return parent.getQuery();
        }

        @Override

    private final ResourceFilter filter;
    private final SmbResource parent;
    private SmbResource next;

    /**
     * @param parent
     * @param delegate
     * @param filter
     *
     */
    public ShareEnumIterator(final SmbResource parent, final Iterator<FileEntry> delegate, final ResourceFilter filter) {
        this.parent = parent;
        this.delegate = delegate;
        this.filter = filter;

            return doShareEnum(parent, wildcard, searchAttributes, fnf, ff);
        }

        try (SmbTreeHandleImpl th = parent.ensureTreeConnected()) {
            if (th.isSMB2()) {
                return new DirFileEntryAdapterIterator(parent, new DirFileEntryEnumIterator2(th, parent, wildcard, fnf, searchAttributes),
                        ff);
            }

        assertTrue(exception.getMessage().contains("invalid"));
        verify(treeHandle, never()).acquire();
    }

    @Test
    @DisplayName("Constructor should handle null parent")
    void testConstructor_NullParent_ThrowsNPE() {
        // When & Then: Null parent should cause NullPointerException

        // Test with normal URLs
        String parentUrl = "http://example.com/parent";
        String url = "http://example.com/child";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

        assertNotNull(exception);
        assertEquals("Not Found: http://example.com/child Parent: http://example.com/parent", exception.getMessage());
        assertNull(exception.getCause());
    }

    private final ResourceFilter filter;
    private final SmbResource parent;
    private SmbResource next;

    /**
     * @param parent
     * @param delegate
     * @param filter
     *
     */
    public FileEntryAdapterIterator(final SmbResource parent, final CloseableIterator<FileEntry> delegate, final ResourceFilter filter) {
        this.parent = parent;
        this.delegate = delegate;
        this.filter = filter;

class NetServerFileEntryAdapterIterator extends FileEntryAdapterIterator {

    /**
     * @param parent
     * @param delegate
     * @param filter
     */
    public NetServerFileEntryAdapterIterator(final SmbResource parent, final NetServerEnumIterator delegate, final ResourceFilter filter) {
        super(parent, delegate, filter);
    }

    /**
     * @param fe
     * @return
     * @throws MalformedURLException

        void nullDelegate_throwsNPE() throws Exception {
            SmbFile parent = newParent();
            assertThrows(NullPointerException.class, () -> new ShareEnumIterator(parent, null, null));
        }

        @Test
        @DisplayName("Null parent with non-empty iterator causes NullPointerException during adapt")
        void nullParent_throwsNPE() {