expected: &batchv1.Job{
				Spec: batchv1.JobSpec{
					Completions:    pointer.Int32(1),
					Parallelism:    pointer.Int32(1),
					BackoffLimit:   pointer.Int32(6),
					CompletionMode: completionModePtr(batchv1.NonIndexedCompletion),
					Suspend:        pointer.Bool(false),
					ManualSelector: pointer.Bool(false),
					PodFailurePolicy: &batchv1.PodFailurePolicy{
						Rules: []batchv1.PodFailurePolicyRule{
							{

	}{
		"valid NonIndexed": {
			spec: &batch.JobSpec{
				CompletionMode: completionModePtr(batch.NonIndexedCompletion),
				Template:       validPodTemplate,
			},
		},
		"NondIndexed with high completions and parallelism": {
			spec: &batch.JobSpec{
				CompletionMode: completionModePtr(batch.NonIndexedCompletion),
				Template:       validPodTemplate,
				Parallelism:    pointer.Int32(1_000_000_000),

	jm.podStoreSynced = alwaysReady
	jm.jobStoreSynced = alwaysReady

	job1 := newJob(1, 1, 6, batch.NonIndexedCompletion)
	job1.Name = "job1"
	job2 := newJob(1, 1, 6, batch.NonIndexedCompletion)
	job2.Name = "job2"
	job3 := newJob(1, 1, 6, batch.NonIndexedCompletion)
	job3.Name = "job3"
	job3.Spec.Selector.MatchLabels = map[string]string{"other": "labels"}

			backoffLimit := int32(c.Rand.Int31())
			j.Completions = &completions
			j.Parallelism = &parallelism
			j.BackoffLimit = &backoffLimit
			j.ManualSelector = pointer.Bool(c.RandBool())
			mode := batch.NonIndexedCompletion
			if c.RandBool() {
				mode = batch.IndexedCompletion
				j.BackoffLimitPerIndex = pointer.Int32(c.Rand.Int31())
				j.MaxFailedIndexes = pointer.Int32(c.Rand.Int31())
			}
			if c.RandBool() {

		}
	}
	labels := obj.Spec.Template.Labels
	if labels != nil && len(obj.Labels) == 0 {
		obj.Labels = labels
	}
	if obj.Spec.CompletionMode == nil {
		mode := batchv1.NonIndexedCompletion
		obj.Spec.CompletionMode = &mode
	}
	if obj.Spec.Suspend == nil {
		obj.Spec.Suspend = utilpointer.Bool(false)
	}
	if obj.Spec.PodFailurePolicy != nil {
		for _, rule := range obj.Spec.PodFailurePolicy.Rules {

		}
	}
	if spec.CompletionMode != nil {
		if *spec.CompletionMode != batch.NonIndexedCompletion && *spec.CompletionMode != batch.IndexedCompletion {
			allErrs = append(allErrs, field.NotSupported(fldPath.Child("completionMode"), spec.CompletionMode, []batch.CompletionMode{batch.NonIndexedCompletion, batch.IndexedCompletion}))
		}
		if *spec.CompletionMode == batch.IndexedCompletion {
			if spec.Completions == nil {

					Completions:    ptr.To[int32](5),
					CompletionMode: completionModePtr(batch.NonIndexedCompletion),
				},
			},
			newJob: &batch.Job{
				ObjectMeta: validObjectMeta,
				Spec: batch.JobSpec{
					Completions:    ptr.To[int32](5),
					CompletionMode: completionModePtr(batch.NonIndexedCompletion),
				},
				Status: batch.JobStatus{
					StartTime:        &now,

	return len(bci)
}

func completionModeStr(job *batch.Job) string {
	if job.Spec.CompletionMode != nil {
		return string(*job.Spec.CompletionMode)
	}
	return string(batch.NonIndexedCompletion)

		// below .spec.completions, however, this it is ok if the
		// status.completedIndexes go beyond completions just after a user scales
		// down a Job.
		isIndexed := ptr.Deref(newJob.Spec.CompletionMode, batch.NonIndexedCompletion) == batch.IndexedCompletion

		isJobFinishedChanged := batchvalidation.IsJobFinished(oldJob) != batchvalidation.IsJobFinished(newJob)

type CompletionMode string

const (
	// NonIndexedCompletion is a Job completion mode. In this mode, the Job is
	// considered complete when there have been .spec.completions
	// successfully completed Pods. Pod completions are homologous to each other.
	NonIndexedCompletion CompletionMode = "NonIndexed"

	// IndexedCompletion is a Job completion mode. In this mode, the Pods of a