t.Fatal(failTestStr(anonTestStr, "error response bucket name differs from expected value"))
		}

		if actualError.Key != objectName {
			t.Fatal(failTestStr(anonTestStr, "error response object name differs from expected value"))
		}
	}

	// test for unknown auth case.
	anonReq.Body = readerTwo
	// Setting the `Authorization` header to a random value so that the signature falls into unknown auth case.

		if input == nil && clone != nil {
			t.Errorf("Clone(%#v) return value should be equal to nil slice.", input)
		}

		if input != nil && clone == nil {
			t.Errorf("Clone(%#v) return value should not be equal to nil slice.", input)
		}

		if cap(input) != 0 && unsafe.SliceData(input) == unsafe.SliceData(clone) {
			t.Errorf("Clone(%q) return value should not reference inputs backing memory.", input)
		}
	}

		{bucketName: "------", objName: "obj", PartID: 1, expectedError: fmt.Errorf("%s", "Bucket name invalid: ------")},
		{
			bucketName: "$this-is-not-valid-too", objName: "obj", PartID: 1,
			expectedError: fmt.Errorf("%s", "Bucket name invalid: $this-is-not-valid-too"),
		},
		{bucketName: "a", objName: "obj", PartID: 1, expectedError: fmt.Errorf("%s", "Bucket name invalid: a")},
		// Test case - 5.

			// Skip if entry is neither a directory not a valid volume name.
			continue
		}
		volsInfo = append(volsInfo, VolInfo{
			Name: pathutil.Clean(entry),
		})
	}
	return volsInfo, nil
}

// StatVol - get volume info.
func (s *xlStorage) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
	// Verify if volume is valid and it exists.
	volumeDir, err := s.getVolDir(volume)

	TotalRefreshFailures            uint64

	sync.Mutex

	iamRefreshInterval time.Duration

	LDAPConfig   xldap.Config  // only valid if usersSysType is LDAPUsers
	OpenIDConfig openid.Config // only valid if OpenID is configured
	STSTLSConfig xtls.Config   // only valid if STS TLS is configured

	usersSysType UsersSysType

	rolesMap map[arn.ARN]string

	// Persistence layer for IAM subsystem

		// Testing for negative value of maxKey, this should set maxKeys to listObjectsLimit (19).
		{"test-bucket-list-object", "", "", "", -1, resultCases[0], nil, true},
		// Testing for very large value of maxKey, this should set maxKeys to listObjectsLimit (20).
		{"test-bucket-list-object", "", "", "", 1234567890, resultCases[0], nil, true},
		// Testing for trancated value (21-24).

	if group == "" {
		return updatedAt, errInvalidArgument
	}

	cache := store.lock()
	defer store.unlock()

	// Validate that all members exist.
	for _, member := range members {
		u, ok := cache.iamUsersMap[member]
		if !ok {
			return updatedAt, errNoSuchUser
		}
		cr := u.Credentials

	},
	ErrInvalidBucketName: {
		Code:           "InvalidBucketName",
		Description:    "The specified bucket is not valid.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidDigest: {
		Code:           "InvalidDigest",
		Description:    "The Content-Md5 you specified is not valid.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidRange: {
		Code:           "InvalidRange",

			}, nil
		},
		RoleARN: roleARN,
	}

	value, err := webID.Retrieve()
	if err != nil {
		c.Fatalf("Expected to generate STS creds, got err: %#v", err)
	}
	// fmt.Printf("value: %#v\n", value)

	minioClient, err := minio.New(s.endpoint, &minio.Options{
		Creds:     cr.NewStaticV4(value.AccessKeyID, value.SecretAccessKey, value.SessionToken),
		Secure:    s.secure,

				setIndex:  er.setIndex,
				poolIndex: er.poolIndex,
			})
		}

		return
	}()

	validResp := 0
	totalResp := 0

	// minDisks value is only to reduce the number of calls
	// to the disks; this value is not accurate because we do
	// not know the storage class of the object yet
	minDisks := 0
	if p := globalStorageClass.GetParityForSC(""); p > -1 {
		minDisks = er.setDriveCount - p