assertNotNull(stats);
    }

    @Test
    @DisplayName("Test force cleanup")
    @Timeout(value = 5, unit = TimeUnit.SECONDS)
    void testForceCleanup() {
        TestResource resource1 = new TestResource("cleanup1");
        TestResource resource2 = new TestResource("cleanup2");

        resourceManager.registerResource(resource1);
        resourceManager.registerResource(resource2);

        // Release the regions back to the pool before cleanup
        bufferManager.releaseSendRegion(region1);
        bufferManager.releaseReceiveRegion(region2);

        long allocatedBeforeCleanup = bufferManager.getTotalAllocated();

        // Cleanup should not throw exception
        assertDoesNotThrow(() -> bufferManager.cleanup());

        // After cleanup, all regions should be released (but the count may not match exactly

        protected int numOfThreads = 1;

        /**
         * Whether to run in cleanup mode to remove old thumbnails.
         */
        @Option(name = "-c", aliases = "--cleanup", usage = "Clean-Up mode")
        protected boolean cleanup;

        /**
         * Default constructor for command-line options.
         */
        protected Options() {

import org.junit.jupiter.api.Timeout;
import org.mockito.Mockito;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;

/**
 * Simple memory management tests to validate basic resource cleanup functionality
 */
public class SimpleMemoryManagementTest {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;

        }

        log.info("RDMA buffer manager cleanup complete. Total allocated: {}, released: {}", totalAllocated.get(), totalReleased.get());
    }

    /**
     * Close the buffer manager and release all resources
     *
     * @throws Exception if cleanup fails
     */
    @Override
    public void close() throws Exception {
        cleanup();
    }

    /**

  @SuppressWarnings("InfiniteLoopStatement")
  @Override
  public void run() {
    while (true) {
      try {
        if (!cleanUp(queue.remove())) {
          break;
        }
      } catch (InterruptedException e) {
        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs
   * all throwables.
   *

    }

    /**
     * Test for close() with resource cleanup.
     * Verifies that close properly cleans up resources.
     */
    @Test
    void testClose_withResourceCleanup() {
        // Create a mock that simulates resource cleanup
        doAnswer(invocation -> {
            // Simulate cleanup actions
            return null;
        }).when(smbTree).close();

import jakarta.annotation.Resource;

/**
 * A factory class for managing and creating crawler clients based on URL patterns.
 * This class implements AutoCloseable to properly handle resource cleanup.
 *
 * <p>The factory maintains a map of regular expression patterns to crawler clients,
 * allowing for URL-based client selection. Clients can be added with specific patterns

  public CacheStats stats() {
    return delegate().stats();
  }

  @Override
  public ConcurrentMap<K, V> asMap() {
    return delegate().asMap();
  }

  @Override
  public void cleanUp() {
    delegate().cleanUp();
  }

  /**
   * A simplified version of {@link ForwardingCache} where subclasses can pass in an already
   * constructed {@link Cache} as the delegate.
   *
   * @since 10.0
   */

        try {
            if (this.usageCount != null && this.usageCount.get() != 0 && this.open) {
                log.warn("File handle was not properly closed, performing emergency cleanup: " + this);
                if (this.creationBacktrace != null) {
                    log.warn(Arrays.toString(this.creationBacktrace));
                }
                emergencyCloseHandle();
            }