int result = -1;

        synchronized (lock) {
            try {
                while (used == 0) {
                    lock.wait();
                }
            } catch (final InterruptedException ie) {
                throw new IOException(ie.getMessage());
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = (beg_idx + 1) % pipe_buf.length;
        }

        final int start = bufferIndex;

        final int len = readStringLength(buffer, bufferIndex, 32);
        try {
            this.service = new String(buffer, bufferIndex, len, "ASCII");
        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }
        bufferIndex += len + 1;
        // win98 observed not returning nativeFileSystem

        try {
            try (ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token))) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        } catch (IOException e) {
            throw new PACDecodingException("Malformed Kerberos Ticket", e);
        }
        return sequence;
    }

    /**
     * Creates a Kerberos AP request from an ASN.1 sequence.
     *

            } else if (this.server.encryptedPasswords) {
                // encrypted
                try {
                    this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
                } catch (final GeneralSecurityException e) {
                    throw new RuntimeCIFSException("Failed to encrypt password", e);
                }
                this.passwordLength = this.password.length;

            constructor.setAccessible(true);
            SystemUtil instance = constructor.newInstance();
            assertNotNull(instance);

        } catch (NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e) {
            fail("Should be able to access private constructor: " + e.getMessage());
        }
    }

    public void test_executePython_blankFilename() {
        pythonJob.filename("");

        try {
            pythonJob.executePython();
            fail("Should throw JobProcessingException");
        } catch (JobProcessingException e) {
            assertEquals("Python script is not specified.", e.getMessage());
        }
    }

    // Test executePython with null filename

    val secondRequest = "/bar"
    val firstRequest = "/foo"
    val latch = CountDownLatch(1)
    val dispatcher: Dispatcher =
      object : Dispatcher() {
        override fun dispatch(request: RecordedRequest): MockResponse {
          if (request.url.encodedPath == firstRequest) {
            latch.await()
          }
          return MockResponse()
        }
      }

      fail(message);
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void expectReturnsFalseOrThrows(Target target) {
    String message = Platform.format("retainAll(%s) should return false or throw", target);
    try {
      assertFalse(message, collection.retainAll(target.toRetain));
    } catch (UnsupportedOperationException tolerated) {
    }
  }

        }

        byte[] content;
        try (ASN1InputStream stream = new ASN1InputStream(token)) {
            content = ASN1Util.readUnparsedTagged(0, 0x8000, stream);
        } catch (IOException e) {
            throw new PACDecodingException("Malformed kerberos token", e);
        }

        try (ASN1InputStream stream = new ASN1InputStream(content)) {

  private final CountDownLatch latch;

  public ListenableFutureTester(ListenableFuture<?> future) {
    this.exec = newCachedThreadPool();
    this.future = checkNotNull(future);
    this.latch = new CountDownLatch(1);
  }

  public void setUp() {
    future.addListener(
        new Runnable() {
          @Override
          public void run() {
            latch.countDown();
          }
        },