assertThrows(CancellationException.class, () -> resultFuture.get());
  }

  public void testFutureGetThrowsCancellationIfOutputCancelled() throws Exception {
    inputFuture.set(SLOW_OUTPUT_VALID_INPUT_DATA);
    outputFuture.cancel(true); // argument is ignored
    assertThrows(CancellationException.class, () -> resultFuture.get());
  }

  public void testAsyncToString() throws Exception {

    assertThrows(CancellationException.class, () -> resultFuture.get());
  }

  public void testFutureGetThrowsCancellationIfOutputCancelled() throws Exception {
    inputFuture.set(SLOW_OUTPUT_VALID_INPUT_DATA);
    outputFuture.cancel(true); // argument is ignored
    assertThrows(CancellationException.class, () -> resultFuture.get());
  }

  public void testAsyncToString() throws Exception {

        }
    }

    /**
     * Get circuit breaker statistics
     *
     * @return statistics
     */
    public Statistics getStatistics() {
        return new Statistics(name, getState(), totalCalls.get(), totalSuccesses.get(), totalFailures.get(), rejectedCalls.get(),
                consecutiveFailures.get(), getSuccessRate());
    }

    /**
     * Calculate success rate

    }

    /**
     * Get the unique file identifier
     * @return the fileId
     */
    public final byte[] getFileId() {
        return this.fileId;
    }

    /**
     * Get the file name
     * @return the fileName
     */
    public final String getFileName() {
        return this.fileName;
    }

    /**
     * Get the create context responses

     */
    public long getTotalAllocated() {
        return totalAllocated.get();
    }

    /**
     * Get total number of regions released
     *
     * @return total released regions
     */
    public long getTotalReleased() {
        return totalReleased.get();
    }

    /**
     * Get number of currently active regions
     *
     * @return active regions (allocated - released)
     */

        assertNull(smbAuthenticationHolder.get(null));
        assertNull(smbAuthenticationHolder.get(""));
        assertNull(smbAuthenticationHolder.get(" "));
        assertNull(smbAuthenticationHolder.get("smb://"));
        assertNull(smbAuthenticationHolder.get("smb://hoge:1000/"));
        assertNull(smbAuthenticationHolder.get("smb://foo/"));
        assertNull(smbAuthenticationHolder.get("smb://foo:10000/"));
    }

  }

  enum TargetSupplier {
    STRING_WRITER {
      @Override
      Appendable get(int sz) {
        return new StringWriter(sz);
      }
    },
    STRING_BUILDER {
      @Override
      Appendable get(int sz) {
        return new StringBuilder(sz);
      }
    };

    abstract Appendable get(int sz);
  }

  @Param CopyStrategy strategy;
  @Param TargetSupplier target;

                .get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        nodeManager = new NodeManager(hosts, node -> request(new CurlRequest(Method.GET, node.getUrl("/"))));
        nodeManager.setHeartbeatInterval(fessConfig.getFesenHeartbeatInterval());
    }

    /**
     * Creates a GET request for the specified path.
     * @param path the request path

        MonotonicClock clock1 = MonotonicClock.get();
        MonotonicClock clock2 = MonotonicClock.get();

        assertSame(clock1, clock2, "Multiple calls to get() should return the same instance");
    }

    @Test
    @DisplayName("MonotonicClock should always use UTC timezone")
    void testClockTimezone() {
        MonotonicClock clock = MonotonicClock.get();

        }

        return leaseKey;
    }

    /**
     * Get cache entry for a directory
     *
     * @param directoryPath directory path
     * @return cache entry or null
     */
    public DirectoryCacheEntry getCacheEntry(String directoryPath) {
        DirectoryCacheEntry entry = directoryCache.get(directoryPath);

        // Check if cache entry is valid