fail();
    } catch (TimeoutException expected) {
    } catch (ExecutionException e) {
      throw new AssertionError(e);
    }
  }

  static void verifyTimedGetOnPendingFuture(Future<?> future) {
    try {
      getUninterruptibly(future, 0, SECONDS);
      fail();
    } catch (TimeoutException expected) {
    } catch (ExecutionException e) {
      throw new AssertionError(e);
    }

            fail();
        } catch (ChildUrlsException e) {
            String[] values = e.getChildUrlList().stream().map(d -> d.getUrl()).sorted().toArray(n -> new String[n]);
            assertEquals(0, values.length);
        }
        try (final ResponseData responseData = gcsClient.doGet("")) {
            fail();
        } catch (CrawlerSystemException e) {
            // nothing
        }

                                tree.release();
                            } catch (Exception e) {
                                log.debug("Error during emergency tree cleanup", e);
                            }
                        }
                        this.trees.clear();
                    } catch (Exception e) {
                        log.debug("Error clearing trees during emergency cleanup", e);

      try {
        return input.readByte();
      } catch (EOFException e) {
        throw new IllegalStateException(e);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public int readUnsignedByte() {
      try {
        return input.readUnsignedByte();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

                responseData.setCharSet(charset);
                responseData.setContentLength(0);
            }
        } catch (final CrawlerSystemException e) {
            CloseableUtil.closeQuietly(responseData);
            throw e;
        } catch (final SmbException e) {
            CloseableUtil.closeQuietly(responseData);
            throw new CrawlingAccessException("Could not access " + uri, e);

                                    Thread.sleep(10);
                                } catch (InterruptedException ie) {
                                    // ignore
                                }
                                file.delete(); // if this fails, forget about it
                            }
                        }
                    } catch (TransferFailedException e) {
                        getLogger()

    } catch (UnsupportedOperationException expected) {
    }
  }

  private void assertSetCountDecreasingFailure(E element, int count) {
    try {
      setCountNoCheckReturnValue(element, count);
      fail("a call to multiset.setCount() to decrease an element's count should throw");
    } catch (UnsupportedOperationException expected) {
    }
  }

            if (blob == null) {
                throw new StorageException("Object not found: " + objectName);
            }
            blob.downloadTo(outputStream);
        } catch (final StorageException e) {
            throw e;
        } catch (final Exception e) {
            throw new StorageException("Failed to download " + objectName, e);
        }
    }

    @Override

    }

    public void test_preprocessUri_null() {
        try {
            fsClient.preprocessUri(null);
            fail();
        } catch (final CrawlerSystemException e) {}
        try {
            fsClient.preprocessUri("");
            fail();
        } catch (final CrawlerSystemException e) {}
    }

    public void test_doHead_file() throws Exception {

        try {
          result = invokeMethod(request.methodName, request.arguments);
        } catch (ThreadDeath death) {
          return;
        } catch (InvocationTargetException exception) {
          responseQueue.put(new Response(request.methodName, null, exception.getTargetException()));
          continue;
        } catch (Throwable throwable) {
          responseQueue.put(new Response(request.methodName, null, throwable));