mock.assertLastMethodCalled("isShutdown");
    testExecutor.shutdown();
    mock.assertLastMethodCalled("shutdown");
    List<Runnable> list = testExecutor.shutdownNow();
    mock.assertLastMethodCalled("shutdownNow");
    assertEquals(ImmutableList.of(), list);
  }

  public void testExecute() {
    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);

    mock.assertLastMethodCalled("isShutdown");
    testExecutor.shutdown();
    mock.assertLastMethodCalled("shutdown");
    List<Runnable> list = testExecutor.shutdownNow();
    mock.assertLastMethodCalled("shutdownNow");
    assertEquals(ImmutableList.of(), list);
  }

  public void testExecute() {
    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);

      }
    }
  }

  public void testDirectExecutorService_shutdownNow() {
    ExecutorService executor = newDirectExecutorService();
    assertEquals(ImmutableList.of(), executor.shutdownNow());
    assertTrue(executor.isShutdown());
  }

  public void testExecuteAfterShutdown() {
    ExecutorService executor = newDirectExecutorService();
    executor.shutdown();

      return delegate.isTerminated();
    }

    @Override
    public final void shutdown() {
      delegate.shutdown();
    }

    @Override
    public final List<Runnable> shutdownNow() {
      return delegate.shutdownNow();
    }

    /*
     * TODO: https://github.com/google/guava/issues/2143 - In addition to overriding `execute`, also

      }
    }
  }

  public void testDirectExecutorService_shutdownNow() {
    ExecutorService executor = newDirectExecutorService();
    assertEquals(ImmutableList.of(), executor.shutdownNow());
    assertTrue(executor.isShutdown());
  }

  public void testExecuteAfterShutdown() {
    ExecutorService executor = newDirectExecutorService();
    executor.shutdown();

        cleanupExecutor.shutdown();
        try {
            if (!cleanupExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                cleanupExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            cleanupExecutor.shutdownNow();
            Thread.currentThread().interrupt();
        }

        // Log final statistics

    public void shutdown() {
        executor.shutdown();
        try {
            if (!executor.awaitTermination(10, TimeUnit.SECONDS)) {
                executor.shutdownNow();
            }
        } catch (InterruptedException e) {
            executor.shutdownNow();
            Thread.currentThread().interrupt();
        }
    }

    private void redistributePendingOperations(ChannelInfo failedChannel) {

    public void shutdown() {
        scheduler.shutdown();
        try {
            if (!scheduler.awaitTermination(5, TimeUnit.SECONDS)) {
                scheduler.shutdownNow();
            }
        } catch (InterruptedException e) {
            scheduler.shutdownNow();
            Thread.currentThread().interrupt();
        }

        // Stop all change watchers
        for (String path : directoryCache.keySet()) {

            try {
                if (!cleanupExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                    cleanupExecutor.shutdownNow();
                }
            } catch (InterruptedException e) {
                cleanupExecutor.shutdownNow();
                Thread.currentThread().interrupt();
            }
        }

        // Clean up expired weak references

        healthCheckExecutor.shutdown();
        try {
            if (!healthCheckExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                healthCheckExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            healthCheckExecutor.shutdownNow();
            Thread.currentThread().interrupt();
        }

        // Close all connections without synchronization - concurrent collections are thread-safe