+ " see the Javadoc for Files.createTempDir().";

    @Override
    File createTempDir() {
      throw new IllegalStateException(MESSAGE);
    }

    @Override
    File createTempFile(String prefix) throws IOException {
      throw new IOException(MESSAGE);
    }
  }

  private TempFileCreator() {}

   *
   * @throws TimeoutException if this thread does not offer a response within a reasonable amount of
   *     time
   * @throws AssertionFailedError if the given method name does not match the name of the method
   *     this thread has called most recently
   */
  private Response getResponse(String methodName) throws Exception {
    Response response = responseQueue.poll(TIMEOUT_MILLIS, MILLISECONDS);

     * @return initialized Mac instance
     * @throws GeneralSecurityException if Mac cannot be created
     */
    private Mac createMacInstance() throws GeneralSecurityException {
        if (this.closed) {
            throw new IllegalStateException("SigningDigest is closed");
        }
        if (this.signingKey == null) {
            throw new IllegalStateException("Signing key has been wiped");
        }

    }
  }

  /**
   * @throws UnsupportedOperationException {@inheritDoc}
   * @throws ClassCastException {@inheritDoc}
   * @throws NullPointerException {@inheritDoc}
   * @throws IllegalArgumentException {@inheritDoc}
   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public int drainTo(Collection<? super E> c) {
    if (c == null) throw new NullPointerException();

    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);

  private static void rethrow(ExecutionException e) throws ExecutionException {
    Throwable wrapper = e.getCause();
    if (wrapper instanceof WrapperException) {
      Throwable cause = wrapper.getCause();
      if (cause instanceof RuntimeException) {
        throw (RuntimeException) cause;
      } else if (cause instanceof Error) {
        throw (Error) cause;
      }
    }
    throw e;
  }

  @Override

        throws InterruptedException {
      throw new UnsupportedOperationException();
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
        throws ExecutionException, InterruptedException {
      throw new UnsupportedOperationException();
    }

    @Override

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

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

     * @param smbFile the SmbFile directory to list
     * @return array of SmbFile objects representing the directory contents
     * @throws SmbException if an error occurs
     */
    public static SmbFile[] listFilesWithLeasing(SmbFile smbFile) throws SmbException {
        if (!smbFile.isDirectory()) {
            throw new SmbException("Not a directory: " + smbFile.getPath());
        }

        }

        // Act + Assert
        Throwable t = assertThrows(expected, () -> new MIEName(buf));
        // MIEName throws IllegalArgumentException without messages, so we don't assert on message presence
        assertNotNull(t, "Exception should be thrown");
    }

    @Nested
    @DisplayName("equals, hashCode, toString")
    class EqualityContract {

        @Test