if err != nil {
		return err
	}
	if scaledDown {
		// Update DeploymentStatus.
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

	// Do not process a deployment when it has old pods running.
	if oldPodsRunning(newRS, oldRSs, podMap) {
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

	// If we need to create a new RS, create it now.
	if newRS == nil {

	}
	if scaledUp {
		// Update DeploymentStatus
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

	// Scale down, if we can.
	scaledDown, err := dc.reconcileOldReplicaSets(ctx, allRSs, controller.FilterActiveReplicaSets(oldRSs), newRS, d)
	if err != nil {
		return err
	}
	if scaledDown {
		// Update DeploymentStatus
		return dc.syncRolloutStatus(ctx, allRSs, newRS, d)
	}

	"k8s.io/kubernetes/pkg/controller/deployment/util"
)

// syncRolloutStatus updates the status of a deployment during a rollout. There are
// cases this helper will run that cannot be prevented from the scaling detection,
// for example a resync of the deployment after it was scaled up. In those cases,
// we shouldn't try to estimate any progress.

			dc := &DeploymentController{
				client: &fake,
			}

			if test.newRS != nil {
				test.allRSs = append(test.allRSs, test.newRS)
			}
			_, ctx := ktesting.NewTestContext(t)
			err := dc.syncRolloutStatus(ctx, test.allRSs, test.newRS, test.d)
			if err != nil {
				t.Error(err)
			}

			newCond := util.GetDeploymentCondition(test.d.Status, test.conditionType)
			switch {
			case newCond == nil: