// Simulate a pod being popped by the scheduler,
	// At this time, unschedulable pod should be popped.
	p1, err := q.Pop(logger)
	if err != nil {
		t.Errorf("Error while popping the head of the queue: %v", err)
	}
	if p1.Pod != unschedulablePod {
		t.Errorf("Expected that test-pod-unscheduled was popped, got %v", p1.Pod.Name)
	}

                                test("throwsExceptionWhenPopped()") {
                                    operationDisplayName "throws EmptyStackException when popped"
                                    testDisplayName "throws EmptyStackException when popped"
                                }
                                testClass("org.example.TestingAStackDemo\$WhenNew\$AfterPushing") {

// source can change over time - i.e. for watchCache circular
// buffer. When the circular buffer is full and an event needs
// to be popped off, watchCache::startIndex is incremented. In
// this case, an interval tracking that popped event is valid
// only if it has already been copied to its internal buffer.
// However, for efficiency we perform that lazily and we mark

* Jeśli nie rozumiesz pytania, poproś o więcej **szczegółów**.

### Odtwórz problem

W większości przypadków problem wynika z **autorskiego kodu** osoby pytającej.

	s.pop(n.Pos())
	*s = append((*s), n)
}

// pop pops all nodes that appear lexically before pos
// (i.e., whose lexical extent has ended before or at pos).
// It returns the last node popped.
func (s *nodeStack) pop(pos token.Pos) (top Node) {
	i := len(*s)
	for i > 0 && (*s)[i-1].End() <= pos {
		top = (*s)[i-1]
		i--
	}
	*s = (*s)[0:i]
	return top
}

	// are popped from this heap before the scheduler looks at activeQ
	podBackoffQ *heap.Heap
	// unschedulablePods holds pods that have been tried and determined unschedulable.
	unschedulablePods *UnschedulablePods
	// schedulingCycle represents sequence number of scheduling cycle and is incremented
	// when a pod is popped.
	schedulingCycle int64

		Spec: api.PodSpec{
			Containers:          []api.Container{{}},
			InitContainers:      []api.Container{{}},
			EphemeralContainers: []api.EphemeralContainer{{}},
		},
	}

	var noPod *api.Pod

	testcases := []struct {
		description string
		enabled     bool
		oldPod      *api.Pod
		newPod      *api.Pod
		wantPod     *api.Pod
	}{
		{

	go w.processInterval(ctx, intervalFromEvents(initEvents), 0)
	watchInitializationSignal.Wait()

	// note that we can add three events even though the chanSize is two because
	// one event has been popped off from the input chan
	if !w.add(&watchCacheEvent{Object: makePod(5), ResourceVersion: 5}, time.NewTimer(1*time.Second)) {
		t.Fatal("failed adding an even to the watcher")
	}

	// A dependency on a grey object indicates a cycle which may or may not be
	// valid.
	//
	// When objects turn grey, they are pushed on the object path (a stack);
	// they are popped again when they turn black. Thus, if a grey object (a
	// cycle) is encountered, it is on the object path, and all the objects
	// it depends on are the remaining objects on that path. Color encoding

	// A dependency on a grey object indicates a cycle which may or may not be
	// valid.
	//
	// When objects turn grey, they are pushed on the object path (a stack);
	// they are popped again when they turn black. Thus, if a grey object (a
	// cycle) is encountered, it is on the object path, and all the objects
	// it depends on are the remaining objects on that path. Color encoding