directoryLeaseManager.updateDirectoryCache(directoryPath, files);

        // Step 6: Verify cache is complete and populated
        assertTrue(cacheEntry.isComplete());
        assertEquals(2, cacheEntry.getChildren().size());
        assertTrue(cacheEntry.hasChild("document.txt"));
        assertTrue(cacheEntry.hasChild("subfolder"));

        // Step 7: Verify cached directory listing

        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, entry.getScope());
        assertFalse(entry.isComplete());
        assertFalse(entry.hasChanges());
        assertTrue(entry.getChildren().isEmpty());
    }

    @Test
    public void testUpdateChild() {
        String childName = "file1.txt";
        long size = 1024L;
        long lastModified = System.currentTimeMillis();

        assertNotNull(cacheEntry);
        assertTrue(cacheEntry.isComplete());
        assertEquals(2, cacheEntry.getChildren().size());

        // Verify the cached files have correct names
        List<DirectoryCacheEntry.FileInfo> children = cacheEntry.getChildren();
        assertTrue(children.stream().anyMatch(f -> "file1.txt".equals(f.getName())));

    entry.updateChild("file1.txt", attrs);
    
    assertTrue(entry.hasChild("file1.txt"));
    assertEquals(1, entry.getChildren().size());
    
    // Test removal
    entry.removeChild("file1.txt");
    assertFalse(entry.hasChild("file1.txt"));
    assertEquals(0, entry.getChildren().size());
}

@Test
public void testDirectoryLeaseManager() {

        if (entry == null || !entry.isComplete()) {
            return null;
        }

        List<SmbFile> files = new ArrayList<>();
        for (DirectoryCacheEntry.FileInfo fileInfo : entry.getChildren()) {
            try {
                // Create SmbFile objects from cached info
                SmbFile file = createSmbFileFromCache(directoryPath, fileInfo);
                files.add(file);

        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Get all children
     *
     * @return list of child file info
     */
    public List<FileInfo> getChildren() {
        lock.readLock().lock();
        try {
            lastAccessTime = System.currentTimeMillis();
            return new ArrayList<>(children.values());
        } finally {