type PreEnqueuePlugin interface {
	Plugin
	// PreEnqueue is called prior to adding Pods to activeQ.
	PreEnqueue(ctx context.Context, p *v1.Pod) *Status
}

// LessFunc is the function to sort pod info
type LessFunc func(podInfo1, podInfo2 *QueuedPodInfo) bool

// QueueSortPlugin is an interface that must be implemented by "QueueSort" plugins.

			f.preFunc(n, fname)
			if pkgconfig.Granularity == "perfunc" {
				walkBody = false
			}
		}
		if walkBody {
			ast.Walk(f, n.Body)
		}
		if *pkgcfg != "" {
			flit := false
			f.postFunc(n, fname, flit, n.Body)
		}
		return nil
	case *ast.FuncLit:
		// For function literals enclosed in functions, just glom the
		// code for the literal in with the enclosing function (for now).

		delete(expected, k)
		if _, ok := unexpected[k]; ok {
			t.Errorf("expected %s to be filtered out", k)
		}
	}
	if len(expected) > 0 {
		t.Errorf("did not include %v", expected)
	}
}

func TestRun(t *testing.T) {
	// source svc/cluster -> dest services -> number of subtests (should == num clusters)
	framework.NewTest(t).Run(func(t framework.TestContext) {
		tests := map[string]struct {

	ctx, cancelFunc := context.WithTimeout(ctx, timeoutForNodePodCIDR)
	defer cancelFunc()

	fieldSelector := fields.OneTermEqualSelector("metadata.name", nodeName).String()
	lw := &cache.ListWatch{
		ListFunc: func(options metav1.ListOptions) (object runtime.Object, e error) {
			options.FieldSelector = fieldSelector
			return client.CoreV1().Nodes().List(ctx, options)
		},

	Close()
	// Run starts the goroutines managing the queue.
	Run(logger klog.Logger)
}

// NewSchedulingQueue initializes a priority queue as a new scheduling queue.
func NewSchedulingQueue(
	lessFn framework.LessFunc,
	informerFactory informers.SharedInformerFactory,
	opts ...Option) SchedulingQueue {
	return NewPriorityQueue(lessFn, informerFactory, opts...)
}

// NominatedNodeName returns nominated node name of a Pod.

		t.Errorf("Expected medPriorityPodInfo and unschedulablePodInfo to be still present in nomindatePods: %v", q.nominator.nominatedPods["node1"])
	}
}

func newDefaultQueueSort() framework.LessFunc {
	sort := &queuesort.PrioritySort{}
	return sort.Less
}

func TestPriorityQueue_AddWithReversePriorityLessFunc(t *testing.T) {
	objs := []runtime.Object{medPriorityPodInfo.Pod, highPriorityPodInfo.Pod}