public void ListConstraintsForPortfolioMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<ListConstraintsForPortfolioRequest>();
            var marshaller = new ListConstraintsForPortfolioRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest = UTF8Encoding.UTF8.GetString(internalRequest.Content);                        
            Comparer.CompareObjectToJson<ListConstraintsForPortfolioRequest>(request,jsonRequest);

            var webResponse = new WebResponseData
            {
                Headers = {
                    {"x-amzn-RequestId", Guid.NewGuid().ToString()},
                    {"x-amz-crc32","0"}
                }
            };
            var jsonResponse = new JsonSampleGenerator(service_model, service_model.FindOperation("ListConstraintsForPortfolio").ResponseStructure).Execute();
            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = ListConstraintsForPortfolioResponseUnmarshaller.Instance.Unmarshall(context)
                as ListConstraintsForPortfolioResponse;
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }