* file and has not been subjected to inheritance, interpolation or profile/default injection.
     *
     * @param model The model to validate, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.

		}
	}
}

// Tests validate metadata extraction from http headers.
func TestExtractMetadataHeaders(t *testing.T) {
	testCases := []struct {
		header     http.Header
		metadata   map[string]string
		shouldFail bool
	}{
		// Validate if there a known 'content-type'.
		{
			header: http.Header{
				"Content-Type": []string{"image/png"},

	// Requires versioning to be enabled
	ExcludedPrefixes []ExcludedPrefix `xml:",omitempty"`
	ExcludeFolders   bool             `xml:",omitempty"`
}

// Validate - validates the versioning configuration
func (v Versioning) Validate() error {
	// Not supported yet
	// switch v.MFADelete {
	// case Enabled, Disabled:
	// default:
	// 	return Errorf("unsupported MFADelete state %s", v.MFADelete)
	// }

// isEmpty returns true if Tags field is null
func (a And) isEmpty() bool {
	return len(a.Tags) == 0 && !a.Prefix.set &&
		a.ObjectSizeGreaterThan == 0 && a.ObjectSizeLessThan == 0
}

// Validate - validates the And field
func (a And) Validate() error {
	// > This is used in a Lifecycle Rule Filter to apply a logical AND to two or more predicates.
	// ref: https://docs.aws.amazon.com/AmazonS3/latest/API/API_LifecycleRuleAndOperator.html

	AuthToken   string                `json:"authToken"`
	Transport   http.RoundTripper     `json:"-"`
	CloseRespFn func(r io.ReadCloser) `json:"-"`
}

// Validate - validate opa configuration params.
func (a *Args) Validate() error {
	req, err := http.NewRequest(http.MethodPost, a.URL.String(), bytes.NewReader([]byte("")))
	if err != nil {
		return err
	}

	req.Header.Set("Content-Type", "application/json")

		return errXMLNotWellFormed
	}

	if r.Filter.set {
		return r.Filter.Validate()
	}
	return nil
}

func (r Rule) validateTransition() error {
	return r.Transition.Validate()
}

func (r Rule) validateNoncurrentTransition() error {
	return r.NoncurrentVersionTransition.Validate()
}

// GetPrefix - a rule can either have prefix under <rule></rule>, <filter></filter>

	}
	// List all of all test cases to validate various cases of reduce errors.
	testCases := []struct {
		errs        []error
		ignoredErrs []error
		err         error
	}{
		// Validate if have reduced properly.
		{[]error{
			errDiskNotFound,
			errDiskNotFound,
			errDiskFull,
		}, []error{}, errErasureReadQuorum},
		// Validate if have no consensus.
		{[]error{
			errDiskFull,

			config.Rules[i].DeleteReplication = DeleteReplication{
				Status: Disabled,
			}
		}
	}
	return &config, nil
}

// Validate - validates the replication configuration
func (c Config) Validate(bucket string, sameTarget bool) error {
	// replication config can't have more than 1000 rules
	if len(c.Rules) > 1000 {
		return errReplicationTooManyRules
	}

	n = copy(p, r.data)
	r.eof = true
	return n, nil
}

// Wrapper for calling testMakeBucket for both Erasure and FS.
func TestMakeBucket(t *testing.T) {
	ExecObjectLayerTest(t, testMakeBucket)
}

// Tests validate bucket creation.
func testMakeBucket(obj ObjectLayer, instanceType string, t TestErrHandler) {
	err := obj.MakeBucket(context.Background(), "bucket-unknown", MakeBucketOptions{})
	if err != nil {

		},
	}

	for i, tc := range trTests {
		var tr Transition
		err := xml.Unmarshal([]byte(tc.input), &tr)
		if err != nil {
			t.Fatalf("%d: xml unmarshal failed with %v", i+1, err)
		}
		if err = tr.Validate(); err != tc.err {
			t.Fatalf("%d: Invalid transition %v: err %v", i+1, tr, err)
		}
	}

	ntrTests := []struct {
		input string
		err   error
	}{
		{
			input: `<NoncurrentVersionTransition>