long newValue;
      do {
        oldValue = data.get(longIndex);
        newValue = oldValue | mask;
        if (oldValue == newValue) {
          return false;
        }
      } while (!data.compareAndSet(longIndex, oldValue, newValue));

      // We turned the bit on, so increment bitCount.
      bitCount.increment();
      return true;
    }

    boolean get(long bitIndex) {

      }
    } finally {
      readCompleteLatch.countDown()
    }
  }

  abstract fun listSource(): Source

  override fun ensureLoaded() {
    if (!listRead.get() && listRead.compareAndSet(false, true)) {
      readTheListUninterruptibly()
    } else {
      try {
        readCompleteLatch.await()
      } catch (_: InterruptedException) {

  }

  public void testOrdering() throws Exception {
    AtomicInteger integer = new AtomicInteger();
    for (int i = 0; i < 10; i++) {
      int expectedCount = i;
      list.add(() -> integer.compareAndSet(expectedCount, expectedCount + 1), directExecutor());
    }
    list.execute();
    assertEquals(10, integer.get());
  }

  private static final class MockRunnable implements Runnable {

            log.trace("Acquire session " + usage + " " + this);
        }

        if (usage == 1) {
            synchronized (this) {
                if (this.transportAcquired.compareAndSet(false, true)) {
                    log.debug("Reacquire transport");
                    this.transport.acquire();
                }
            }
        }

        return this;
    }

        long windowStart = currentWindowStart.get();

        // Check if we need to reset the window (1 minute window)
        if (now - windowStart > 60000) {
            currentWindowStart.compareAndSet(windowStart, now);
            globalAttemptsInCurrentWindow.set(0);
        }

        int attempts = globalAttemptsInCurrentWindow.incrementAndGet();
        return attempts <= maxGlobalAttemptsPerMinute;
    }

   * test case failure. Only the first failure is recorded; subsequent calls to this method from
   * within the same test have no effect.
   */
  final void threadRecordFailure(Throwable t) {
    threadFailure.compareAndSet(null, t);
  }

  /**
   * Extra checks that get done for all test cases.
   *
   * <p>Triggers test case failure if any thread assertions have failed, by rethrowing, in the test

        this.updater = new Thread(this::feedConsumer, "simplex-transfer-listener");
        updater.setDaemon(true);
        updater.start();
    }

    @Override
    public void close() {
        if (closed.compareAndSet(false, true)) {
            updater.interrupt();
        }
    }

    public TransferListener getDelegate() {
        return delegate;
    }

    private void feedConsumer() {

      executionList.add(listener, exec);

      // When a listener is first added, we run a task that will wait for the delegate to finish,
      // and when it is done will run the listeners.
      if (hasListeners.compareAndSet(false, true)) {
        if (delegate.isDone()) {
          // If the delegate is already done, run the execution list immediately on the current
          // thread.
          executionList.execute();

            }
        }

        if (usage == 1) {
            synchronized (this) {
                if (this.sessionAcquired.compareAndSet(false, true)) {
                    log.debug("Reacquire session");
                    this.session.acquire();
                }
            }
        }
        return this;
    }

    /**

   * test case failure. Only the first failure is recorded; subsequent calls to this method from
   * within the same test have no effect.
   */
  final void threadRecordFailure(Throwable t) {
    threadFailure.compareAndSet(null, t);
  }

  /**
   * Extra checks that get done for all test cases.
   *
   * <p>Triggers test case failure if any thread assertions have failed, by rethrowing, in the test