public void DescribeNatGatewaysMarshallTest()
{
var operation = service_model.FindOperation("DescribeNatGateways");
var request = InstantiateClassGenerator.Execute<DescribeNatGatewaysRequest>();
var marshaller = new DescribeNatGatewaysRequestMarshaller();
var internalRequest = marshaller.Marshall(request);
var validator = new AWSQueryValidator(internalRequest.Parameters, request, service_model, operation);
validator.Validate();
var payloadResponse = new XmlSampleGenerator(service_model, operation).Execute();
UnmarshallerContext context = new EC2UnmarshallerContext(Utils.CreateStreamFromString(payloadResponse), false, new WebResponseData());
var response = DescribeNatGatewaysResponseUnmarshaller.Instance.Unmarshall(context)
as DescribeNatGatewaysResponse;
InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
}