copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
			metadata: map[string]string{
				"Content-Type": "application/json",
			},
			copySourceSame: true,
			metadataCopy:   true,
			accessKey:      credentials.AccessKey,
			secretKey:      credentials.SecretKey,

			expectedRespStatus: http.StatusBadRequest,
		},

		// Test case - 9.

		getNodeHealthMetrics(MetricsGroupOpts{dependGlobalNotificationSys: true}),
		getClusterStorageMetrics(MetricsGroupOpts{dependGlobalObjectAPI: true}),
		getClusterTierMetrics(MetricsGroupOpts{dependGlobalObjectAPI: true}),
		getClusterUsageMetrics(MetricsGroupOpts{dependGlobalObjectAPI: true}),
		getKMSMetrics(MetricsGroupOpts{dependGlobalObjectAPI: true, dependGlobalKMS: true}),
		getClusterHealthMetrics(MetricsGroupOpts{dependGlobalObjectAPI: true}),

					// this basically means that we do not have the Data for the object
					// cached yet
					update = true
				})
				if !update {
					// No update is needed means we have written already to the client just return here.
					return
				}
			}
		}

		if errors.Is(err, cache.ErrKeyMissing) {
			update = true
		}
	}

	// Validate pre-conditions if any.
	opts.CheckPrecondFn = func(oi ObjectInfo) bool {

			`<DeleteMarker><Key>file.1</Key>.*<IsLatest>true</IsLatest>.*</DeleteMarker>` +
			`<Version><Key>file.1</Key>.*<IsLatest>false</IsLatest>.*</Version>` +
			`<DeleteMarker><Key>file.2</Key>.*<IsLatest>true</IsLatest>.*</DeleteMarker>` +
			`<Version><Key>file.2</Key>.*<IsLatest>false</IsLatest>.*</Version>` +
			`</ListVersionsResult>`)

	c.Assert(r.MatchString(string(getContent)), true)
}

	f := callbackFuncs[i]
	callbackMutex.Unlock()

	if f == nil {
		panic("missing callback function")
	}
	f()
}

func testCallback(t *testing.T) {
	var x = false
	nestedCall(func() { x = true })
	if !x {
		t.Fatal("nestedCall did not call func")
	}
}

func testCallbackGC(t *testing.T) {
	nestedCall(runtime.GC)
}

func testCallbackPanic(t *testing.T) {

		return nil
	}

	optsMap := make(map[string]string)
	if opts.LockEnabled {
		optsMap["lockEnabled"] = "true"
		optsMap["versioningEnabled"] = "true"
	}
	if opts.VersioningEnabled {
		optsMap["versioningEnabled"] = "true"
	}
	if opts.ForceCreate {
		optsMap["forceCreate"] = "true"
	}
	createdAt, _ := globalBucketMetadataSys.CreatedAt(bucket)
	optsMap["createdAt"] = createdAt.UTC().Format(time.RFC3339Nano)

		replLogOnceIf(ctx, err, bucket)
		return false
	}
	for _, obj := range objects {
		if c.HasActiveRules(obj.ObjectName, true) {
			return true
		}
	}
	return false
}

// isStandardHeader returns true if header is a supported header and not a custom header
func isStandardHeader(matchHeaderKey string) bool {
	return equals(matchHeaderKey, standardHeaders...)
}