}

  public void testListenerCalledOnCancelFromRunning() throws Exception {
    exec.execute(task);
    runLatch.await();

    // Task has started up, cancel it while it's running.
    task.cancel(true);
    assertTrue(task.isDone());
    assertTrue(task.isCancelled());
    assertEquals(1, taskLatch.getCount());

    // Wait for the listeners to be called.

    System.clearProperty("guava.concurrent.generate_cancellation_cause");
  }

  public void testCancel_notDoneNoInterrupt() throws Exception {
    Future<?> future = newFutureInstance();
    assertTrue(future.cancel(false));
    assertTrue(future.isCancelled());
    assertTrue(future.isDone());
    assertNull(tryInternalFastPathGetFailure(future));
    CancellationException e = assertThrows(CancellationException.class, () -> future.get());

    System.clearProperty("guava.concurrent.generate_cancellation_cause");
  }

  public void testCancel_notDoneNoInterrupt() throws Exception {
    Future<?> future = newFutureInstance();
    assertTrue(future.cancel(false));
    assertTrue(future.isCancelled());
    assertTrue(future.isDone());
    assertNull(tryInternalFastPathGetFailure(future));
    CancellationException e = assertThrows(CancellationException.class, () -> future.get());

	z.rebalMu.Lock()
	defer z.rebalMu.Unlock()

	r := z.rebalMeta
	if r == nil { // rebalance not running in this node, nothing to do
		return nil
	}

	if cancel := r.cancel; cancel != nil {
		// cancel != nil only on pool leaders
		r.cancel = nil
		cancel()
	}
	return nil
}

// for rebalance trace support
type rebalanceMetrics struct{}

var globalRebalanceMetrics rebalanceMetrics

	u.RawQuery = q.Encode()
	return u.String(), nil
}

// Put - Adds DNS entries into operator webhook server
func (c *OperatorDNS) Put(bucket string) error {
	ctx, cancel := context.WithTimeout(context.Background(), defaultOperatorContextTimeout)
	defer cancel()
	e, err := c.endpoint(bucket, false)
	if err != nil {
		return newError(bucket, err)
	}
	req, err := http.NewRequestWithContext(ctx, http.MethodPost, e, nil)

  fun noNewExchangesOnConnection() {
    codec.carrier.noNewExchanges()
  }

  fun cancel() {
    codec.cancel()
  }

  /**
   * Revoke this exchange's access to streams. This is necessary when a follow-up request is
   * required but the preceding exchange hasn't completed yet.
   */
  fun detachWithViolence() {
    codec.cancel()
    call.messageDone(this, requestDone = true, responseDone = true, e = null)
  }

		t.Errorf("Test: Expect \"nil\" but failed \"%#v\"", hashedOrder)
	}
}

func TestShuffleDisks(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	nDisks := 16
	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))

        .build()

    val startNanos = System.nanoTime()
    val call = client.newCall(request)

    // Schedule a job to cancel the call in 1 second.
    executor.schedule({
      System.out.printf("%.2f Canceling call.%n", (System.nanoTime() - startNanos) / 1e9f)
      call.cancel()
      System.out.printf("%.2f Canceled call.%n", (System.nanoTime() - startNanos) / 1e9f)
    }, 1, TimeUnit.SECONDS)

				expectedFilepath = filepath.Join(tempDir, c.expectedConfName)
			}

			if !c.chainedCNIPlugin {
				// Standalone CNI plugin
				parent := context.Background()
				ctx1, cancel := context.WithTimeout(parent, 100*time.Millisecond)
				defer cancel()
				result, err := getCNIConfigFilepath(ctx1, c.specifiedConfName, tempDir, c.chainedCNIPlugin)
				if err != nil {
					assert.Equal(t, result, "")

func (target *AMQPTarget) isActive() (bool, error) {
	ch, _, err := target.channel()
	if err != nil {
		return false, err
	}
	defer func() {
		ch.Close()
	}()
	return true, nil
}

func (target *AMQPTarget) channel() (*amqp091.Channel, chan amqp091.Confirmation, error) {
	var err error
	var conn *amqp091.Connection
	var ch *amqp091.Channel

	isAMQPClosedErr := func(err error) bool {