// When - Release session to trigger cleanup
        session.release();

        // Then - Trees should be cleared (we can't directly verify as it's internal,
        // but the cleanup code with synchronized block ensures it happens atomically)
        // The important part is that no exception occurs and the operation is atomic
    }

    /**
     * Test concurrent acquire and release operations.
     */
    @Test

     * shouldn't)
     *
     * Our solution is for threads to CAS seenExceptionsField from null to a Set populated with _the
     * initial exception_, no matter which thread does the work. This ensures that
     * seenExceptionsField always contains not just the current thread's exception but also the
     * initial thread's.
     */
    Set<Throwable> seenExceptionsLocal = seenExceptionsField;

/**
 * ContentOutputStream is a custom output stream that extends DeferredFileOutputStream.
 * It writes data to a temporary file once the data size exceeds a specified threshold.
 *
 * <p>This class ensures that the temporary file is deleted if it is not needed.
 * It uses a logger to log warnings if there are issues deleting the temporary file.</p>
 *
 * <p>Fields:</p>
 * <ul>

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import org.codelibs.core.io.FileUtil;

/**
 * A custom InputStream that wraps a temporary file. This class ensures that the temporary file
 * is deleted when the stream is closed.
 */
public class TemporaryFileInputStream extends InputStream {

    private final File tempFile;

    private final FileInputStream fileInputStream;

     * @return whether the connection was in use
     * @throws IOException if an I/O error occurs during disconnection
     */
    boolean disconnect(boolean hard, boolean inuse) throws IOException;

    /**
     * Ensures the transport is connected to the remote server.
     *
     * @return whether the transport was connected
     * @throws SmbException if an SMB error occurs
     * @throws IOException if an I/O error occurs
     */

import java.util.logging.Logger
import okhttp3.TestUtil.threadFactory

/**
 * Runs a [TaskRunner] in a controlled environment so that everything is sequential and
 * deterministic.
 *
 * This class ensures that at most one thread is running at a time. This is initially the JUnit test
 * thread, which yields its execution privilege while calling [runTasks], [runNextTask], or

      .isEqualTo("<< 0x00000003 10000 HEADERS       PRIORITY")
    assertThat(frameLog(true, 3, 10000, TYPE_DATA, 0x20))
      .isEqualTo("<< 0x00000003 10000 DATA          COMPRESSED")
  }

  /**
   * Ensures that valid flag combinations appear visually correct, and invalid show in hex.  This
   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {

    }

    @Override
    public Lock writeLock() {
      return new WeakSafeLock(delegate.writeLock(), this);
    }
  }

  /** Lock object that ensures a strong reference is retained to a specified object. */
  private static final class WeakSafeLock extends ForwardingLock {
    private final Lock delegate;

    @SuppressWarnings("unused")

        } catch (RuntimeException e) {
            assertEquals("Simulated processing error", e.getMessage());
            // If InputStream wasn't properly closed, this would leak resources
            // try-with-resources ensures cleanup happens
        } catch (IOException e) {
            fail("Should not throw IOException: " + e.getMessage());
        }
    }

    /**
     * Test resource content integrity.

import org.codelibs.fess.crawler.exception.ExtractException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class to verify proper resource management in Extractor implementations.
 * This test ensures that resources are properly closed even when exceptions occur.
 */
public class ExtractorResourceManagementTest extends PlainTestCase {