t.Errorf("len(podMap) = %v, want %v", got, want)
	}
	if got, want := len(podMap[rs1.UID]), 2; got != want {
		t.Errorf("len(podMap[rs1]) = %v, want %v", got, want)
	}
	expect := map[string]struct{}{"rs1-pod": {}, "pod4": {}}
	for _, pod := range podMap[rs1.UID] {
		if _, ok := expect[pod.Name]; !ok {
			t.Errorf("unexpected pod name for rs1: %s", pod.Name)
		}
	}
	if got, want := len(podMap[rs2.UID]), 1; got != want {

			Replicas: int32(replicas),
		}
		return rs
	}

	// for all test cases, creationTimestamp order keeps as: rs1 < rs2 < rs3 < r4
	tests := []struct {
		oldRSs               []*apps.ReplicaSet
		revisionHistoryLimit int32
		expectedDeletedRSs   sets.String
	}{
		{
			// revision order: rs1 < rs2, delete rs1
			oldRSs: []*apps.ReplicaSet{

					RestartPolicy: examplev1.RestartPolicy("never"),
				},
			},
		},
		"convert example#replicaset to example2/v1#replicaset": {
			obj: &example.ReplicaSet{
				ObjectMeta: metav1.ObjectMeta{
					Name: "rs1",
					Labels: map[string]string{
						"key": "value",
					},
				},
				Spec: example.ReplicaSetSpec{
					Replicas: 1,
				},
			},
			gvk: example2v1.SchemeGroupVersion.WithKind("ReplicaSet"),

				t.Errorf("In test case %q, expected %#v, got %#v", test.Name, test.expectedRequire, requireRS)
			}
		})
	}
}

func TestGetReplicaCountForReplicaSets(t *testing.T) {
	rs1 := generateRS(generateDeployment("foo"))
	*(rs1.Spec.Replicas) = 1
	rs1.Status.Replicas = 2
	rs2 := generateRS(generateDeployment("bar"))
	*(rs2.Spec.Replicas) = 2
	rs2.Status.Replicas = 3

	tests := []struct {
		Name           string