verify(treeHandle, times(1)).release();
    }

    @Test
    @DisplayName("Iterator should handle filter that rejects all entries")
    void testIterator_FilterRejectsAll() throws Exception {
        // Given: A filter that rejects everything
        when(locator.getType()).thenReturn(SmbConstants.TYPE_WORKGROUP);
        when(locator.getURL()).thenReturn(createSmbURL("smb://"));