private async Task PostAsync()

in WindowsDevicePortalWrapper/UnitTestProject/WDPMockImplementations/RestPost.cs [49:92]
36 lines of code
3 McCabe index (conditional complexity)

        private async Task<Stream> PostAsync(
            Uri uri,
            HttpContent requestContent)
        {
            MemoryStream dataStream = null;
            WebRequestHandler requestSettings = new WebRequestHandler();
            requestSettings.UseDefaultCredentials = false;
            requestSettings.Credentials = this.deviceConnection.Credentials;
            requestSettings.ServerCertificateValidationCallback = this.ServerCertificateValidation;

            using (HttpClient client = new HttpClient(requestSettings))
            {
                this.ApplyHttpHeaders(client, HttpMethods.Post);

                Task<HttpResponseMessage> postTask = TestHelpers.MockHttpResponder.PostAsync(uri, requestContent);
                await postTask.ConfigureAwait(false);
                postTask.Wait();

                using (HttpResponseMessage response = postTask.Result)
                {
                    if (!response.IsSuccessStatusCode)
                    {
                        throw await DevicePortalException.CreateAsync(response);
                    }

                    if (response.Content != null)
                    {
                        using (HttpContent content = response.Content)
                        {
                            dataStream = new MemoryStream();

                            Task copyTask = content.CopyToAsync(dataStream);
                            await copyTask.ConfigureAwait(false);
                            copyTask.Wait();

                            // Ensure we return with the stream pointed at the origin.
                            dataStream.Position = 0;
                        }
                    }
                }
            }

            return dataStream;
        }