HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidStorageClass: {
		Code:           "InvalidStorageClass",
		Description:    "Invalid storage class.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidRequestBody: {
		Code:           "InvalidArgument",
		Description:    "Body shouldn't be set for this request.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidMaxUploads: {

		// Expecting StatusBadRequest (400).
		{
			bucketName:         bucketName,
			bucketPolicyReader: bytes.NewReader(fmt.Appendf(nil, bucketPolicyTemplate, bucketName, bucketName)),

			policyLen:          maxBucketPolicySize + 1,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 3.

	for k, v := range h {
		if stringsHasPrefixFold(k, trim) {
			w.Header()[k[len(trim):]] = v
		}
	}
}

func fwdStatusToAPIError(statusCode int, resp *http.Response) *APIError {
	if statusCode < http.StatusBadRequest {
		return nil
	}
	desc := resp.Header.Get(xhttp.AmzFwdErrorMessage)
	if strings.TrimSpace(desc) == "" {
		apiErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		return &apiErr
	}

		Code:       "XMinioAdminTierTypeUnsupported",
		Message:    "Specified tier type is unsupported",
		StatusCode: http.StatusBadRequest,
	}

	errTierBackendNotEmpty = AdminError{
		Code:       "XMinioAdminTierBackendNotEmpty",
		Message:    "Specified remote backend is not empty",
		StatusCode: http.StatusBadRequest,
	}

	errTierInvalidConfig = AdminError{
		Code:       "XMinioAdminTierInvalidConfig",

			Description:    "Unsupported batch expire API version",
			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if r.Bucket == "" {
		return batchExpireJobError{
			Code:           "InvalidArgument",
			Description:    "Bucket argument missing",
			HTTPStatusCode: http.StatusBadRequest,
		}
	}

	if _, err := o.GetBucketInfo(ctx, r.Bucket, BucketOptions{}); err != nil {

			secretKey:          "",
			malformedBody:      false,
		},
		// Bad case malformed input.
		{
			objectName:         "test",
			data:               []byte("Hello, World"),
			expectedRespStatus: http.StatusBadRequest,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			malformedBody:      true,
		},
	}

	for i, testCase := range testCasesV4 {

			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				getAPIError(ErrInvalidObjectName),
				getGetObjectURL("", bucketName, "../../etc"), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 8.
		// Case with strange components but returning error as not found.
		{
			bucketName: bucketName,
			objectName: ". ./. ./etc",
			byteRange:  "",

	c.Assert(err, nil)
	// execute the HTTP request.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusBadRequest)
	verifyError(c, response, "KeyTooLongError", "Your key is too long", http.StatusBadRequest)

	// make object name as unsupported
	longObjName = fmt.Sprintf("%0256d", 1)
	buffer = bytes.NewReader([]byte("hello world"))

		{
			bucket:             bucketName,
			prefix:             "",
			keyMarker:          "",
			uploadIDMarker:     "",
			delimiter:          "",
			maxUploads:         "-1",
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusBadRequest,
			shouldPass:         false,
		},

		}

		writeErrorResponse(r.Context(), w, APIError{
			Code: "BadRequest",
			Description: fmt.Sprintf("An unsupported API call for method: %s at '%s'",
				r.Method, r.URL.Path),
			HTTPStatusCode: http.StatusBadRequest,
		}, r.URL)
	}
}

// gets host name for current node
func getHostName(r *http.Request) (hostName string) {
	if globalIsDistErasure {
		hostName = globalLocalNodeName
	} else {