StorageVersions:       []v1alpha1.ServerStorageVersion{ssv1},
				CommonEncodingVersion: &v1,
				Conditions:            commonVersionTrueCondition(),
			},
			expectLastTransitionTimeUpdate: true,
		},
		{
			old: v1alpha1.StorageVersionStatus{
				StorageVersions:       []v1alpha1.ServerStorageVersion{ssv1, ssv2},
				CommonEncodingVersion: &v1,
				Conditions:            commonVersionTrueCondition(),
			},

}

// SetCommonEncodingVersion updates the CommonEncodingVersion and the AllEncodingVersionsEqual
// condition based on the StorageVersions.
func SetCommonEncodingVersion(sv *v1alpha1.StorageVersion) {
	var oldCommonEncodingVersion *string
	if sv.Status.CommonEncodingVersion != nil {
		version := *sv.Status.CommonEncodingVersion
		oldCommonEncodingVersion = &version
	}
	sv.Status.CommonEncodingVersion = nil
	if len(sv.Status.StorageVersions) != 0 {

		return field.Invalid(fldPath.Child("commonEncodingVersion"), svs.CommonEncodingVersion, fmt.Sprintf("the common encoding version is %s", *actualCommonVersion))
	}
	if actualCommonVersion != nil && svs.CommonEncodingVersion != nil && *actualCommonVersion != *svs.CommonEncodingVersion {

// with apply.
type StorageVersionStatusApplyConfiguration struct {
	StorageVersions       []ServerStorageVersionApplyConfiguration    `json:"storageVersions,omitempty"`
	CommonEncodingVersion *string                                     `json:"commonEncodingVersion,omitempty"`
	Conditions            []StorageVersionConditionApplyConfiguration `json:"conditions,omitempty"`
}

		t.Logf("got: %+v", storageVersion)
		t.Logf("expected: %+v", expectedServerStorageVersions)
	}

	if *storageVersion.Status.CommonEncodingVersion != "v2" {
		t.Errorf("unexpected common encoding version")
		t.Logf("got: %q", *storageVersion.Status.CommonEncodingVersion)
		t.Logf("expected: %q", "v2")
	}

	if len(storageVersion.Status.Conditions) != 1 {

				EncodingVersion: "v1alpha1",
			}},
			CommonEncodingVersion: func() *string { a := "v1alpha1"; return &a }(),
		},
		expectedErr: "",
	}, {
		status: apiserverinternal.StorageVersionStatus{
			StorageVersions: []apiserverinternal.ServerStorageVersion{{
				APIServerID:     "1",
				EncodingVersion: "v1alpha1",
			}},
			CommonEncodingVersion: func() *string { a := "v1alpha1"; return &a }(),
		},

	// API servers should finish updating its storageVersionStatus entry before
	// serving write operations, so that this field will be in sync with the reality.
	// +optional
	CommonEncodingVersion *string `json:"commonEncodingVersion,omitempty" protobuf:"bytes,2,opt,name=commonEncodingVersion"`

	// The latest available observations of the storageVersion's state.
	// +optional
	// +listType=map
	// +listMapKey=type

		*out = make([]ServerStorageVersion, len(*in))
		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.CommonEncodingVersion != nil {
		in, out := &in.CommonEncodingVersion, &out.CommonEncodingVersion
		*out = new(string)
		**out = **in
	}
	if in.Conditions != nil {
		in, out := &in.Conditions, &out.Conditions
		*out = make([]StorageVersionCondition, len(*in))

    controller: true
    kind: kindValue
    name: nameValue
    uid: uidValue
  resourceVersion: resourceVersionValue
  selfLink: selfLinkValue
  uid: uidValue
spec: {}
status:
  commonEncodingVersion: commonEncodingVersionValue
  conditions:
  - lastTransitionTime: "2004-01-01T01:01:01Z"
    message: messageValue
    observedGeneration: 3
    reason: reasonValue
    status: statusValue
    type: typeValue

        "decodableVersions": [
          "decodableVersionsValue"
        ],
        "servedVersions": [
          "servedVersionsValue"
        ]
      }
    ],
    "commonEncodingVersion": "commonEncodingVersionValue",
    "conditions": [
      {
        "type": "typeValue",
        "status": "statusValue",
        "observedGeneration": 3,
        "lastTransitionTime": "2004-01-01T01:01:01Z",