}
          buffer.add(e);
          added++;
        }
      }
    } finally {
      if (interrupted) {
        Thread.currentThread().interrupt();
      }
    }
    return added;
  }

  /**
   * Returns a synchronized (thread-safe) queue backed by the specified queue. In order to guarantee

     */
    Waiter(boolean unused) {}

    Waiter() {
      // avoid volatile write, write is made visible by subsequent CAS on waiters field
      ATOMIC_HELPER.putThread(this, Thread.currentThread());
    }

    // non-volatile write to the next field. Should be made visible by subsequent CAS on waiters
    // field.
    void setNext(@CheckForNull Waiter next) {
      ATOMIC_HELPER.putNext(this, next);

    String oldName = Thread.currentThread().getName();
    renamingExecutor.execute(
        new Runnable() {
          @Override
          public void run() {
            assertEquals("FooBar", Thread.currentThread().getName());
          }
        });
    assertEquals(oldName, Thread.currentThread().getName());
  }

  public void testExecutors_nullCheck() throws Exception {

            // this simply delays executing listeners
            try {
              Thread.sleep(TimeUnit.SECONDS.toMillis(10));
            } catch (InterruptedException ignored) {
              Thread.currentThread().interrupt(); // preserve status
            }
          }
        };
    Thread t =
        new Thread() {
          @Override
          public void run() {
            f.set("foo");

        service.awaitTermination(halfTimeoutNanos, TimeUnit.NANOSECONDS);
      }
    } catch (InterruptedException ie) {
      // Preserve interrupt status
      Thread.currentThread().interrupt();
      // (Re-)Cancel if current thread also interrupted
      service.shutdownNow();
    }
    return service.isTerminated();
  }

  /**

              combinerCompletedWithoutInterrupt.countDown();
            } catch (InterruptedException e) {
              // Ensure the thread's interrupt status is preserved.
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
          }
        };

    ListenableFuture<?> futureResult =

            directExecutor());
      } catch (Throwable t) {
        ListenableFuture<V> result = setException(t) ? futureValue : fullyFailedFuture(t);
        if (t instanceof InterruptedException) {
          Thread.currentThread().interrupt();
        }
        return result;
      }
    }

    @CheckForNull
    public V compute(

              combinerCompletedWithoutInterrupt.countDown();
            } catch (InterruptedException e) {
              // Ensure the thread's interrupt status is preserved.
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
          }
        };

    ListenableFuture<?> futureResult =

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload
      threadAboutToBlockForRefresh.set(Thread.currentThread());
      assertThat(cache.getOrLoad("test")).isEqualTo("testReload");
    } finally {
      refreshExecutor.shutdown();
    }
  }

  public void testSetRemovalListener() {

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload
      threadAboutToBlockForRefresh.set(Thread.currentThread());
      assertThat(cache.getOrLoad("test")).isEqualTo("testReload");
    } finally {
      refreshExecutor.shutdown();
    }
  }

  public void testSetRemovalListener() {