class UrlSourceTest {

    @Test
    void testUrlSource() {
        NullPointerException e = assertThrows(
                NullPointerException.class, () -> new UrlSource(null), "Should fail, since you must specify a url");
        assertEquals("url cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {

     */
    protected abstract void doSendFragment(byte[] buf, int off, int length, boolean isDirect) throws IOException;

    /**
     * Receives a DCERPC fragment from the remote endpoint
     * @param buf the buffer to receive the fragment
     * @param isDirect whether to use direct reception
     * @throws IOException if an I/O error occurs
     */

    }

    @Override
    protected void tearDown() throws Exception {
        minioServer.stop();
        super.tearDown();
    }

    public void test_doGet() throws Exception {
        try (final ResponseData responseData = storageClient.doGet("storage://fess/file1.txt")) {

     */
    public abstract void insert(T item);

    /**
     * Updates an existing dictionary item.
     *
     * @param item the item to update
     */
    public abstract void update(T item);

    /**
     * Deletes a dictionary item.
     *
     * @param item the item to delete
     */
    public abstract void delete(T item);

    /**

    /**
     * Sets the OSDD path.
     *
     * @param osddPath the OSDD path
     */
    public void setOsddPath(final String osddPath) {
        this.osddPath = osddPath;
    }

    /**
     * Sets the encoding.
     *
     * @param encoding the encoding
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

    /**

  /** Updates this hasher with the given byte. */
  protected abstract void update(byte b);

  /** Updates this hasher with the given bytes. */
  protected void update(byte[] b) {
    update(b, 0, b.length);
  }

  /** Updates this hasher with {@code len} bytes starting at {@code off} in the given buffer. */
  protected void update(byte[] b, int off, int len) {
    for (int i = off; i < off + len; i++) {

      this.checksum = checkNotNull(checksum);
    }

    @Override
    protected void update(byte b) {
      checksum.update(b);
    }

    @Override
    protected void update(byte[] bytes, int off, int len) {
      checksum.update(bytes, off, len);
    }

    @Override
    @J2ObjCIncompatible
    protected void update(ByteBuffer b) {
      if (!ChecksumMethodHandles.updateByteBuffer(checksum, b)) {

   *
   * @since 12.0
   */
  void putAll(Map<? extends K, ? extends V> m);

  /** Discards any cached value for key {@code key}. */
  void invalidate(@CompatibleWith("K") Object key);

  /**
   * Discards any cached values for keys {@code keys}.
   *
   * @since 11.0
   */
  // For discussion of <? extends Object>, see getAllPresent.
  void invalidateAll(Iterable<? extends Object> keys);

            }
            ThreadUtil.sleep(1000L);
        }
    }

    @Override
    protected void tearDown() throws Exception {
        if (sambaServer != null) {
            sambaServer.stop();
        }
        super.tearDown();
    }

    public void test_doGet() throws Exception {
        try (final ResponseData responseData = smbClient.doGet(baseUrl + "file1.txt")) {

    } else {
      throw new ExecutionException(cause);
    }
  }

  private void wrapAndThrowRuntimeExecutionExceptionOrError(Throwable cause) {
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else {
      throw new UncheckedExecutionException(cause);
    }
  }

  private static void checkPositiveTimeout(long timeoutDuration) {