public boolean hasAccess(RdmaAccess access) {
        return accessFlags.contains(access);
    }

    /**
     * Check if memory region is still valid
     *
     * @return true if valid, false if invalidated
     */
    public boolean isValid() {
        return valid;
    }

    /**
     * Invalidate this memory region
     *
     * After invalidation, the region cannot be used for RDMA operations.

        // Test excessive maxTransactSize (> 16MB)
        SMBUtil.writeInt4(20 * 1024 * 1024, buffer, 28); // 20MB
        SMBUtil.writeInt4(1024 * 1024, buffer, 32); // 1MB read size - valid
        SMBUtil.writeInt4(1024 * 1024, buffer, 36); // 1MB write size - valid

        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> {
            response.readBytesWireFormat(buffer, 0);
        });

    @CsvSource({ "50, 0, 100, true", "0, 0, 100, true", "100, 0, 100, true", "-1, 0, 100, false", "101, 0, 100, false" })
    void testRangeValidation(long value, long min, long max, boolean valid) {
        if (valid) {
            assertDoesNotThrow(() -> InputValidator.validateRange(value, min, max, "test"));
        } else {

	// Check if range string contains delimiter '-', else return error. eg. "bytes=8"
	sepIndex := strings.Index(byteRangeString, "-")
	if sepIndex == -1 {
		return nil, fmt.Errorf("'%s' does not have a valid range value", rangeString)
	}

	offsetBeginString := byteRangeString[:sepIndex]
	offsetBegin := int64(-1)
	// Convert offsetBeginString only if its not empty.
	if len(offsetBeginString) > 0 {

        }

        @Test
        @DisplayName("Should verify valid signature")
        void testVerifyValidSignature() throws Exception {
            // Set signed flag
            SMBUtil.writeInt4(ServerMessageBlock2.SMB2_FLAGS_SIGNED, data, 16);

            // Create valid signature using HmacSHA256
            Mac mac = Mac.getInstance("HmacSHA256");

		})
	}
}

// TestSipHashMod - test sip hash.
func TestSipHashMod(t *testing.T) {
	testCases := []struct {
		objectName string
		sipHash    int
	}{
		// cases which should pass the test.
		// passing in valid object name.
		{"object", 37},
		{"The Shining Script <v1>.pdf", 38},
		{"Cost Benefit Analysis (2009-2010).pptx", 59},
		{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 35},
		{"SHØRT", 49},

	if err != nil {
		// This should not happen because bucketPolicy is valid to convert to JSON data.
		return nil, err
	}

	var policyInfo miniogopolicy.BucketAccessPolicy
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if err = json.Unmarshal(data, &policyInfo); err != nil {
		// This should not happen because data is valid to JSON data.
		return nil, err
	}

	return &policyInfo, nil
}

}

func getAndValidateAttributesOpts(ctx context.Context, w http.ResponseWriter, r *http.Request, bucket, object string) (opts ObjectOptions, valid bool) {
	var argumentName string
	var argumentValue string
	var apiErr APIError
	var err error
	valid = true

	defer func() {
		if valid {
			return
		}

		errResp := objectAttributesErrorResponse{
			ArgumentName:  &argumentName,
			ArgumentValue: &argumentValue,

		{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.

func TestIsValidBucketName(t *testing.T) {
	testCases := []struct {
		bucketName string
		shouldPass bool
	}{
		// cases which should pass the test.
		// passing in valid bucket names.
		{"lol", true},
		{"1-this-is-valid", true},
		{"1-this-too-is-valid-1", true},
		{"this.works.too.1", true},
		{"1234567", true},
		{"123", true},
		{"s3-eu-west-1.amazonaws.com", true},
		{"ideas-are-more-powerful-than-guns", true},