Braintree.Tests.ConfigurationTest.HttpRequestMessageFactory_AcceptsCustomDelegate C# (CSharp) Метод

        public void HttpRequestMessageFactory_AcceptsCustomDelegate()
        {
            Configuration configuration = new Configuration(
                Environment.DEVELOPMENT,
                "integration_merchant_id",
                "integration_public_key",
                "integration_private_key"
            );

#if netcore
            configuration.HttpRequestMessageFactory =
                delegate (HttpMethod method, string requestUriString)
                {
                    HttpRequestMessage httpRequestMessage = new HttpRequestMessage(method, requestUriString);
                    httpRequestMessage.Headers.Range = new RangeHeaderValue(1024, 2048);
                    return httpRequestMessage;
                };
            Assert.IsNotNull(configuration.HttpRequestMessageFactory);

            var btWebRequest = configuration.HttpRequestMessageFactory(HttpMethod.Get, configuration.Environment.GatewayURL + "/merchants/integration_merchant_id");
            HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Get, "http://webrequest.com");

            Assert.IsInstanceOf(requestMessage.GetType(), btWebRequest);
            var headerValue = btWebRequest.Headers.Range;
            StringAssert.Contains("1024", btWebRequest.Headers.Range.ToString());
#else
            configuration.HttpWebRequestFactory =
                delegate(String requestUriString)
                {
                    var webRequest = WebRequest.Create(requestUriString) as HttpWebRequest;
                    webRequest.AddRange(1024);
                    return webRequest;
                };

            Assert.IsNotNull(configuration.HttpWebRequestFactory);

            var btWebRequest = configuration.HttpWebRequestFactory(configuration.Environment.GatewayURL + "/merchants/integration_merchant_id");
            HttpWebRequest httpWebRequest = WebRequest.Create("http://webrequest.com") as HttpWebRequest;
            
            Assert.IsInstanceOf(httpWebRequest.GetType(), btWebRequest);
            StringAssert.Contains("1024", btWebRequest.Headers["Range"]);
#endif
        }
    }