});
    thread.start();
    enterLatch.await();
    assertFalse(task.isDone());
    task.cancel(true);
    assertTrue(task.isDone());
    assertTrue(task.isCancelled());
    assertTrue(task.wasInterrupted());
    try {
      task.get();
      fail();
    } catch (CancellationException expected) {
    }
    exitLatch.await();
    assertTrue(interruptedExceptionThrown.get());
  }

                functionBlocking.await();
                return immediateFuture(null);
              }
            });

    ExecutorService executor = Executors.newSingleThreadExecutor();
    try {
      ListenableFuture<?> output =
          Futures.transformAsync(immediateFuture(null), function, executor);
      functionCalled.await();
      assertThat(output.toString()).contains(function.toString());

            ByteArrayOutputStream stderr = connectStream(process.getErrorStream(), latch);

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);
            return new ExecResult(args, process.exitValue(), stdout.toString(), stderr.toString());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

            });
    thread.start();
    enterLatch.await();
    assertFalse(task.isDone());
    task.cancel(true);
    assertTrue(task.isDone());
    assertTrue(task.isCancelled());
    assertTrue(task.wasInterrupted());
    try {
      task.get();
      fail();
    } catch (CancellationException expected) {
    }
    exitLatch.await();
    assertTrue(interruptedExceptionThrown.get());
  }

  //      */
  //     public void await(AtomicBoolean flag) {
  //         await(flag, LONG_DELAY_MS);
  //     }

  //     /**
  //      * Spin-waits up to the specified timeout until flag becomes true.
  //      */
  //     public void await(AtomicBoolean flag, long timeoutMillis) {
  //         long startTime = System.nanoTime();
  //         while (!flag.get()) {

                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-output-" + sessionId).start();

            try {
                latch.await(10, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                logger.warn("Interrupted to wait a process.", e);
            }
            try {

                } else {
                    latch.countDown();
                }
            }
            try {
                latch.await();
            } catch (InterruptedException e) {
                result.addErrorArtifactException(
                        new ArtifactResolutionException("Resolution interrupted", rootArtifact, e));
            }

  //      */
  //     public void await(AtomicBoolean flag) {
  //         await(flag, LONG_DELAY_MS);
  //     }

  //     /**
  //      * Spin-waits up to the specified timeout until flag becomes true.
  //      */
  //     public void await(AtomicBoolean flag, long timeoutMillis) {
  //         long startTime = System.nanoTime();
  //         while (!flag.get()) {

 * Object x = new MyClass() {
 *   ...
 *   protected void finalize() { latch.countDown(); ... }
 * };
 * x = null;  // Hint to the JIT that x is stack-unreachable
 * GcFinalization.await(latch);
 * }</pre>
 *
 * <p>Here's an example that uses a user-defined finalization predicate:
 *
 * <pre>{@code
 * final WeakHashMap<Object, Object> map = new WeakHashMap<>();
 * map.put(new Object(), Boolean.TRUE);

                functionBlocking.await();
                return immediateFuture(null);
              }
            });

    ExecutorService executor = Executors.newSingleThreadExecutor();
    try {
      ListenableFuture<?> output =
          Futures.transformAsync(immediateFuture(null), function, executor);
      functionCalled.await();
      assertThat(output.toString()).contains(function.toString());