}

  public void testReentrantLock_tryLock() throws Exception {
    LockingThread thread = new LockingThread(lockA);
    thread.start();

    thread.waitUntilHoldingLock();
    assertFalse(lockA.tryLock());

    thread.releaseLockAndFinish();
    assertTrue(lockA.tryLock());
  }

  public void testReentrantWriteLock_tryLock() throws Exception {
    LockingThread thread = new LockingThread(writeLockA);

 */
public class HandlerTest extends PlainTestCase {
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        new StandardCrawlerContainer();
    }

    /**
     * Test that the storage protocol is correctly recognized.
     */
    public void test_protocol() throws Exception {
        URL url = new URL("storage://bucket/object");
        assertEquals("storage", url.getProtocol());

    if (isDone()) {
      throw new TimeoutException(message + " but future completed as timeout expired");
    }
    throw new TimeoutException(message + " for " + futureToString);
  }

  @ParametricNullness
  @SuppressWarnings("nullness") // TODO(b/147136275): Remove once our checker understands & and |.
  final V blockingGet() throws InterruptedException, ExecutionException {

    final List<State> transitionStates = new ArrayList<>();

    @Override
    protected void startUp() throws Exception {
      assertEquals(0, startUpCalled);
      assertEquals(0, shutDownCalled);
      startUpCalled++;
      assertEquals(State.STARTING, state());
    }

    @Override
    protected void shutDown() throws Exception {
      assertEquals(1, startUpCalled);
      assertEquals(0, shutDownCalled);

     *
     * @param in the input stream containing the LHA archive
     * @param params extraction parameters
     * @return the extracted text data
     * @throws CrawlerSystemException if the input stream is null
     * @throws ExtractException if an error occurs during extraction
     * @throws MaxLengthExceededException if the extracted content size exceeds the maximum limit
     */
    @Override

      Callable<T> callable, long timeoutDuration, TimeUnit timeoutUnit) throws ExecutionException {
    checkNotNull(callable);
    checkNotNull(timeoutUnit);
    try {
      return callable.call();
    } catch (RuntimeException e) {
      throw new UncheckedExecutionException(e);
    } catch (Exception e) {
      restoreInterruptIfIsInterruptedException(e);
      throw new ExecutionException(e);
    } catch (Error e) {

     *
     * @param client the FTPClient instance to validate
     * @throws CrawlingAccessException if the FTP request failed
     */
    private void validateRequest(final FTPClient client) {
        final int replyCode = client.getReplyCode();
        if (replyCode >= 200 && replyCode < 300) {
            return;
        }

        infoField.set(msrpcShareGetInfo, info502);

        // Test getSecurity with empty descriptor - should throw exception
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> {
            msrpcShareGetInfo.getSecurity();
        });
    }

    @Test
    void testGetSecurityWithLargeSecurityDescriptor() throws Exception {
        // Test with large valid security descriptor

          break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

  public void testFutureGetThrowsFunctionException() throws Exception {
    inputFuture.set(EXCEPTION_DATA);
    listener.assertException(EXCEPTION);
  }

  public void testFutureGetThrowsCancellationIfInputCancelled() throws Exception {
    inputFuture.cancel(true); // argument is ignored

          break;
        case EXCEPTION_DATA:
          throw EXCEPTION;
      }
      return outputFuture;
    }
  }

  public void testFutureGetThrowsFunctionException() throws Exception {
    inputFuture.set(EXCEPTION_DATA);
    listener.assertException(EXCEPTION);
  }

  public void testFutureGetThrowsCancellationIfInputCancelled() throws Exception {
    inputFuture.cancel(true); // argument is ignored