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

        public async Task Can_seek_from_beginning_to_end()
        {
            var mockRequest = new MockHttpRequest();
            var mockResponse = new MockHttpResponse(mockRequest);

            mockRequest.Headers[HttpHeaders.Range] = "bytes=0";

            string customText = "1234567890";
            byte[] customTextBytes = customText.ToUtf8Bytes();
            var ms = new MemoryStream();
            ms.Write(customTextBytes, 0, customTextBytes.Length);

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

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

            string writtenString = mockResponse.ReadAsString();
            Assert.That(writtenString, Is.EqualTo(customText));

            Assert.That(mockResponse.Headers["Content-Range"], Is.EqualTo("bytes 0-9/10"));
            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));
        }