@Deprecated
public class GraphTest {

    @Test
    void testCycle() throws Graph.CycleDetectedException {
        Graph graph = new Graph();
        graph.addEdge("a1", "a2");
        assertThrows(Graph.CycleDetectedException.class, () -> graph.addEdge("a2", "a1"));
    }

    @Test
    public void testPerf() throws IOException {
        List<String[]> data = new ArrayList<>();
        String k = null;

    @Override
    protected URLConnection openConnection(URL url) throws IOException {
        url = new URL(url, url.toExternalForm(), getDefaultStreamHandler(url.getProtocol()));
        return new NtlmHttpURLConnection((HttpURLConnection) url.openConnection(), this.transportContext);
    }

    private static URLStreamHandler getDefaultStreamHandler(final String protocol) throws IOException {
        synchronized (PROTOCOL_HANDLERS) {

  }

  /**
   * Removes and returns the greatest element of this queue.
   *
   * @throws NoSuchElementException if the queue is empty
   */
  @CanIgnoreReturnValue
  public E removeLast() {
    if (isEmpty()) {
      throw new NoSuchElementException();
    }
    return removeAndGet(getMaxElementIndex());
  }

  /**

  boolean isEmpty();

  /**
   * Returns the minimal range which {@linkplain Range#encloses(Range) encloses} all ranges in this
   * range set.
   *
   * @throws NoSuchElementException if this range set is {@linkplain #isEmpty() empty}
   */
  Range<C> span();

  // Views

  /**

      decodeException.initCause(e);
      throw decodeException;
    }
  }

  /**
   * Returns the unsigned {@code int} value represented by the given decimal string.
   *
   * <p><b>Java 8+ users:</b> use {@link Integer#parseUnsignedInt(String)} instead.
   *
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code int} value

     * @return the info cast to the specified type
     * @throws CIFSException if the information cannot be cast to the specified type
     */
    @SuppressWarnings("unchecked")
    public <T extends FileInformation> T getInfo(final Class<T> type) throws CIFSException {
        if (!type.isAssignableFrom(this.info.getClass())) {
            throw new CIFSException("Incompatible file information class");
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, 5, 10 })
        @DisplayName("Reads structure size 4 and returns 4 for various start indexes")
        void returnsFour_whenStructureSizeIsFour(int start) throws Exception {
            // Arrange: build a buffer that has the little-endian value 4 at 'start'
            int len = start + 2; // need at least two bytes from start
            byte[] buffer = new byte[len + 3];

    this.iterator = iterator;
  }

  @Override
  public Iterator<E> iterator() {
    if (iterator == null) {
      // TODO: throw something else? Do we worry that people's code and tests
      // might be relying on this particular type of exception?
      throw new IllegalStateException();
    }
    try {
      return iterator;
    } finally {
      iterator = null;
    }
  }

      return certificates.single() as X509Certificate
    } catch (e: NoSuchElementException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    } catch (e: IllegalArgumentException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    } catch (e: GeneralSecurityException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    }
  }
}

    }

    @Override
    protected URLConnection openConnection(URL url) throws IOException {
        url = new URL(url, url.toExternalForm(), getDefaultStreamHandler(url.getProtocol()));
        return new NtlmHttpURLConnection((HttpURLConnection) url.openConnection());
    }

    private static URLStreamHandler getDefaultStreamHandler(final String protocol) throws IOException {
        synchronized (PROTOCOL_HANDLERS) {