}
            } catch (Exception e) {
                session.getResult().addException(e);
                break;
            }
        }

        executor.shutdown();
        executor.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
    }

    private void multiThreadedProjectTaskSegmentBuild(
            ConcurrencyDependencyGraph analyzer,
            ReactorContext reactorContext,

                while (!at.compareAndSet(2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });

    assertTrue(at.compareAndSet(1.0, 2.0));
    awaitTermination(t);
    assertBitEquals(3.0, at.get());
  }

  /** repeated weakCompareAndSet succeeds in changing value when equal to expected */
  public void testWeakCompareAndSet() {
    double prev = Math.E;

                    } catch (RuntimeException e) {
                    }
                  }
                }
              });
    }

    threadPool.shutdown();
    threadPool.awaitTermination(300, SECONDS);

    // Since we're not doing any more cache operations, and the cache only expires/evicts when doing
    // other operations, the cache and the removal queue won't change from this point on.

    threadPool = newCachedThreadPool();
  }

  @Override
  public void tearDown() throws InterruptedException {
    threadPool.shutdown();
    assertTrue("Some worker didn't finish in time", threadPool.awaitTermination(10, SECONDS));
  }

  private static <T> int drain(
      BlockingQueue<T> q,
      Collection<? super T> buffer,
      int maxElements,
      long timeout,
      TimeUnit unit,

    @Override
    @PreDestroy
    public void close() throws Exception {
        if (executorService != null) {
            try {
                executorService.shutdown();
                executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }
            } finally {

    inputFuture.set("value");
    future.cancel(false);

    // Unpause the executor.
    beforeFunction.countDown();
    executor.shutdown();
    assertTrue(executor.awaitTermination(5, SECONDS));

    assertFalse(functionCalled.get());
  }

  public void testSubmitAsync_asyncCallable_error() throws InterruptedException {
    final Error error = new Error("deliberate");

    inputFuture.set("value");
    future.cancel(false);

    // Unpause the executor.
    beforeFunction.countDown();
    executor.shutdown();
    assertTrue(executor.awaitTermination(5, SECONDS));

    assertFalse(functionCalled.get());
  }

  public void testSubmitAsync_asyncCallable_error() throws InterruptedException {
    final Error error = new Error("deliberate");

    repeatedlyInterruptTestThread(20, tearDownStack);
    semaphore.tryAcquireUnsuccessfully(10, 70);
    assertInterrupted();
  }

  // executor.awaitTermination Testcases
  public void testTryAwaitTerminationUninterruptiblyLongTimeUnit_success() {
    ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(1000));

    repeatedlyInterruptTestThread(20, tearDownStack);
    semaphore.tryAcquireUnsuccessfully(10, 70);
    assertInterrupted();
  }

  // executor.awaitTermination Testcases
  public void testTryAwaitTerminationUninterruptiblyDuration_success() {
    ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(1000));

                    } catch (RuntimeException e) {
                    }
                  }
                }
              });
    }

    threadPool.shutdown();
    threadPool.awaitTermination(300, SECONDS);

    // Since we're not doing any more cache operations, and the cache only expires/evicts when doing
    // other operations, the cache and the removal queue won't change from this point on.