now := UTCNow()
	credentialTemplate := "%s/%s/%s/s3/aws4_request"

	region := globalSite.Region
	accessKeyID := globalActiveCred.AccessKey
	testCases := []struct {
		queryParams map[string]string
		headers     map[string]string
		region      string
		expected    APIErrorCode
	}{
		// (0) Should error without a set URL query.
		{
			region:   globalMinioDefaultRegion,
			expected: ErrInvalidQueryParams,
		},

	// the system's local character encoding happens to be.
	//
	// This flag should only be set if the user intends to encode a non-portable
	// ZIP file for a specific localized region. Otherwise, the Writer
	// automatically sets the ZIP format's UTF-8 flag for valid UTF-8 strings.
	NonUTF8 bool

	CreatorVersion uint16
	ReaderVersion  uint16
	Flags          uint16

			t.Errorf("Test %d: Expected the result to `%v`, but instead got `%v`", i+1, testCase.expectedResult, actualResult)
		}
	}
}

// TestIsValidRegion - Tests validate the comparison logic for asserting whether the region from http request is valid.
func TestIsValidRegion(t *testing.T) {
	testCases := []struct {
		inputReqRegion  string
		inputConfRegion string

		expectedResult bool
	}{
		{"", "", true},

	}

	cred, _, errCode = checkKeyValid(r, signV4Values.Credential.accessKey)
	if errCode != ErrNone {
		return cred, "", "", time.Time{}, errCode
	}

	// Verify if region is valid.
	region = signV4Values.Credential.scope.region

	// Extract date, if not present throw error.
	var dateStr string
	if dateStr = req.Header.Get("x-amz-date"); dateStr == "" {
		if dateStr = r.Header.Get("Date"); dateStr == "" {

	if r == nil {
		return nil
	}

	region := globalSite.Region
	cred := getReqAccessCred(r, region)

	principalID := cred.AccessKey
	if cred.ParentUser != "" {
		principalID = cred.ParentUser
	}

	// Success.
	m := map[string]string{
		"region":          region,
		"principalId":     principalID,
		"sourceIPAddress": handlers.GetSourceIP(r),

	t := UTCNow()
	region := "us-east-1"
	policy := buildGenericPolicy(t, accessKey, region, bucketName, objectName, true)
	return newPostRequestV4Generic(endPoint, bucketName, objectName, objData, accessKey, secretKey, region, t, policy, nil, false, false, false)
}

	}

	switch err.Code {
	case "InvalidRegion":
		err.Description = fmt.Sprintf("Region does not match; expecting '%s'.", globalSite.Region)
	case "AuthorizationHeaderMalformed":
		err.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region)
	}

	// Similar check to http.checkWriteHeaderCode
	if err.HTTPStatusCode < 100 || err.HTTPStatusCode > 999 {

		{mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrNone},
	}

	// Validates all testcases.
	for i, testCase := range testCases {
		s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region, serviceS3)
		if s3Error != testCase.s3Error {
			if _, err := io.ReadAll(testCase.req.Body); toAPIErrorCode(ctx, err) != testCase.s3Error {

			if err != nil {
				return err
			}
			etcdClnt.Close()
		}
	case config.IdentityOpenIDSubSys:
		if _, err := openid.LookupConfig(s,
			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region); err != nil {
			return err
		}
	case config.IdentityLDAPSubSys:
		cfg, err := xldap.Lookup(s, globalRootCAs)
		if err != nil {
			return err
		}
		if cfg.Enabled() {

	case authTypeSigned, authTypePresigned:
		region := globalSite.Region
		switch action {
		case policy.GetBucketLocationAction, policy.ListAllMyBucketsAction:
			region = ""
		}
		if s3Err = isReqAuthenticated(ctx, r, region, serviceS3); s3Err != ErrNone {
			return s3Err
		}
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
	}
	if s3Err != ErrNone {
		return s3Err
	}