ServiceStack.WebHost.Endpoints.Tests.PartialContentResultTests.Can_use_fileStream C# (CSharp) Method

        public async Task Can_use_fileStream()
        {
            byte[] fileBytes = uploadedTextFile.ReadFully();
            string fileText = Encoding.ASCII.GetString(fileBytes);

            "File content size {0}".Print(fileBytes.Length);
            "File content is {0}".Print(fileText);

            var mockRequest = new MockHttpRequest();
            var mockResponse = new MockHttpResponse(mockRequest);
            mockRequest.Headers.Add("Range", "bytes=6-8");

            var httpResult = new HttpResult(uploadedTextFile, "audio/mpeg");

            bool reponseWasAutoHandled = await mockResponse.WriteToResponse(mockRequest, httpResult);
            Assert.That(reponseWasAutoHandled, Is.True);

            string writtenString = mockResponse.ReadAsString();
            Assert.That(writtenString, Is.EqualTo(fileText.Substring(6, 3)));

            Assert.That(mockResponse.Headers["Content-Range"], Is.EqualTo("bytes 6-8/33"));
            Assert.That(mockResponse.Headers["Content-Length"], Is.EqualTo(writtenString.Length.ToString()));
            Assert.That(mockResponse.Headers["Accept-Ranges"], Is.EqualTo("bytes"));
            Assert.That(mockResponse.StatusCode, Is.EqualTo(206));
        }