public void EncodingFromAcceptCharsetTest() { // It takes over a minute to run all combinations. CombinatorialEngine engine = CombinatorialEngine.FromDimensions( new Dimension("EncodingData", EncodingData.Values), new Dimension("StringData", StringData.Values), new Dimension("SerializationFormatData", SerializationFormatData.StructuredValues), new Dimension("WebServerLocation", new object[] { WebServerLocation.InProcess })); engine.Mode = CombinatorialEngineMode.EveryElement; TestUtil.RunCombinatorialEngineFail(engine, delegate(Hashtable table) { EncodingData encodingData = (EncodingData)table["EncodingData"]; StringData stringData = (StringData)table["StringData"]; WebServerLocation location = (WebServerLocation)table["WebServerLocation"]; SerializationFormatData format = (SerializationFormatData)table["SerializationFormatData"]; if (encodingData.Encoding == null) { return; } if (!EncodingHandlesString(encodingData.Encoding, "<>#&;\r\n")) { return; } // Transliteration of ISCII characters and Unicode is possible, but round-tripping from // Unicode will not work because all phonetic sounds share an ISCII value, but have // distinct Unicode points depending on the language. if (encodingData.Name.StartsWith("x-iscii") && stringData.TextScript != null && stringData.TextScript.SupportsIscii) { return; } using (CustomDataContext.CreateChangeScope()) using (TestWebRequest request = TestWebRequest.CreateForLocation(location)) { request.DataServiceType = typeof(CustomDataContext); request.HttpMethod = "POST"; request.RequestUriString = "/Customers"; request.RequestContentType = UnitTestsUtil.JsonLightMimeType; request.SetRequestStreamAsText("{ " + "@odata.type : \"AstoriaUnitTests.Stubs.Customer\" ," + "ID: 100," + "Name: " + System.Data.Test.Astoria.Util.JsonPrimitiveTypesUtil.PrimitiveToString(stringData.Value, typeof(string)) + " }"); request.SendRequest(); request.HttpMethod = "GET"; request.AcceptCharset = encodingData.Name; request.Accept = format.MimeTypes[0]; request.RequestUriString = "/Customers(100)"; bool encoderCanHandleData = EncodingHandlesString(encodingData.Encoding, stringData.Value); Trace.WriteLine("Encoding handles string: " + encoderCanHandleData); Exception exception = TestUtil.RunCatching(request.SendRequest); XmlDocument document = null; Stream byteStream = new MemoryStream(); if (exception == null) { using (Stream stream = request.GetResponseStream()) { IOUtil.CopyStream(stream, byteStream); } byteStream.Position = 0; Trace.WriteLine(TestUtil.BuildHexDump(byteStream)); byteStream.Position = 0; if (format == SerializationFormatData.Atom) { document = new XmlDocument(TestUtil.TestNameTable); using (StreamReader reader = new StreamReader(byteStream, encodingData.Encoding)) { document.Load(reader); } TestUtil.TraceXml(document); XmlElement nameElement = TestUtil.AssertSelectSingleElement(document, "//ads:Name"); if (stringData.Value == null) { Assert.IsTrue(UnitTestsUtil.HasElementNullValue(nameElement, new System.Net.Mime.ContentType(request.ResponseContentType).MediaType)); } else { Assert.AreEqual(stringData.Value, nameElement.InnerText); } } } else { TestUtil.AssertExceptionExpected(exception, !encoderCanHandleData); } } }); }