// Cache should be invalidated
        assertFalse(cacheEntry.isComplete());

        // Step 9: Test lease break
        // Re-populate cache
        directoryLeaseManager.updateDirectoryCache(directoryPath, files);
        assertTrue(cacheEntry.isComplete());

        // Simulate lease break with loss of read cache

        return leaseKey;
    }

    /**
     * Checks if the complete directory enumeration has been cached
     * @return true if full enumeration is cached
     */
    public boolean isComplete() {
        return isComplete;
    }

    /**
     * Gets the cache scope (ALL or IMMEDIATE_CHILDREN)
     * @return the cache scope
     */
    public DirectoryCacheScope getScope() {
        return scope;

        DirectoryCacheEntry cacheEntry = directoryLeaseManager.getCacheEntry(directoryPath);
        assertNotNull(cacheEntry);
        assertTrue(cacheEntry.isComplete());
        assertEquals(2, cacheEntry.getChildren().size());

        // Verify the cached files have correct names
        List<DirectoryCacheEntry.FileInfo> children = cacheEntry.getChildren();

        try {
            this.isComplete = true;
            this.hasChanges = false;
            this.lastUpdateTime = System.currentTimeMillis();
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public void invalidate() {
        lock.writeLock().lock();
        try {
            children.clear();
            isComplete = false;
            hasChanges = true;

     */
    public List<SmbFile> getCachedDirectoryListing(String directoryPath) {
        DirectoryCacheEntry entry = getCacheEntry(directoryPath);
        if (entry == null || !entry.isComplete()) {
            return null;
        }

        List<SmbFile> files = new ArrayList<>();
        for (DirectoryCacheEntry.FileInfo fileInfo : entry.getChildren()) {
            try {

    @Override
    public String getRealm() {
        return null;
    }

    @Override
    public boolean isConnectionBased() {
        return false;
    }

    @Override
    public boolean isComplete() {
        return false;
    }

    @Override
    public Header authenticate(final Credentials credentials, final HttpRequest request) throws AuthenticationException {
        return null;
    }