// The important part is that the storage is marked as destroyed
        }

        assertTrue(storage.isDestroyed(), "Storage should be marked as destroyed");

        // Operations should fail after destroy
        assertThrows(IllegalStateException.class, () -> {
            storage.encryptCredentials(plaintext);
        }, "Should throw IllegalStateException after destroy");

    }

    /**
     * Check if storage has been destroyed
     */
    private void checkNotDestroyed() {
        if (destroyed) {
            throw new IllegalStateException("SecureCredentialStorage has been destroyed");
        }
    }

    @Override
    public void destroy() throws DestroyFailedException {
        if (!destroyed) {
            boolean failedToDestroy = false;

        }, "ThumbnailGenerator");
        thumbnailQueueThread.start();
    }

    /**
     * Cleans up resources when the thumbnail manager is destroyed.
     * Stops background processing and waits for threads to complete.
     */
    @PreDestroy
    public void destroy() {
        generating = false;
        thumbnailQueueThread.interrupt();
        try {
            thumbnailQueueThread.join(10000);

        // Initialize without container
        emptyGenerator = new EmptyGenerator();

        // Test that destroy method can be called without error
        emptyGenerator.destroy();
        // Call destroy multiple times to ensure it's safe
        emptyGenerator.destroy();
        emptyGenerator.destroy();
    }

    public void test_isAvailable() {
        // Initialize without container

        }

        @Override
        public void destroy() {
            // Override to avoid null pointer issues with thread
            generating = false;
        }
    }

    @Override
    public void tearDown() throws Exception {
        if (thumbnailManager != null) {
            try {
                thumbnailManager.destroy();
            } catch (Exception e) {

        assertTrue(generator.isGenerateCalled());
    }

    public void test_destroy() {
        // Test destroy method is called correctly
        generator = new TestThumbnailGenerator();

        assertFalse(generator.isDestroyCalled());
        generator.destroy();
        assertTrue(generator.isDestroyCalled());
    }

    public void test_expandPath() {
        // Test expandPath method

        // Test availability check
        assertTrue(thumbnailGenerator.isAvailable());
    }

    public void test_destroy() {
        // Test destroy method - should not throw exception
        thumbnailGenerator.destroy();
        // After destroy, generator should not be available
        assertFalse(thumbnailGenerator.isAvailable());
    }

    public void test_createTask_withValidParams() {

        if (rawKey != null) {
            Arrays.fill(rawKey, (byte) 0);
        }

        // Destroy the SecretKey if possible
        if (secretKey instanceof Destroyable) {
            try {
                ((Destroyable) secretKey).destroy();
            } catch (DestroyFailedException e) {
                log.warn("Failed to destroy SecretKey: {}", e.getMessage());
            }
        }

        // Remove from KeyStore

        assertDoesNotThrow(() -> filter.init(filterConfig));
    }

    @Test
    void testDestroy() {
        // Test that destroy method executes without errors
        assertDoesNotThrow(() -> filter.destroy());
    }

    @Test
    void testDoFilter_noAuthorizationHeader_shouldChallengeClient() throws Exception {
        // Initialize filter first
        initializeFilter();

    }

    // Test destroy when crawling is not finished
    public void test_destroy_notFinished() {
        final List<Crawler> crawlerList = new ArrayList<>();
        final TestCrawler crawler = new TestCrawler();
        crawlerList.add(crawler);
        indexUpdater.setCrawlerList(crawlerList);
        indexUpdater.finishCrawling = false;

        indexUpdater.destroy();