cleanupInterval, enableLeakDetection, enableAutoCleanup);
    }

    /**
     * Force cleanup of all resources
     *
     * @return number of resources cleaned
     */
    public int forceCleanup() {
        log.info("Forcing cleanup of all resources");

        int cleaned = 0;
        for (ResourceHolder holder : activeResources.values()) {
            if (!holder.closed) {

        resourceManager.registerResource(resource2);

        assertFalse(resource1.isClosed());
        assertFalse(resource2.isClosed());

        int cleaned = resourceManager.forceCleanup();
        assertTrue(cleaned >= 2);

        assertTrue(resource1.isClosed());
        assertTrue(resource2.isClosed());
    }

    @Test
    @DisplayName("Test leak detection for unclosed resources")