private void WriteParameters(ODataMessageWriterTestWrapper messageWriter, ODataParameters parameters, IEdmOperationImport functionImport) { ODataParameterWriter parameterWriter = messageWriter.CreateODataParameterWriter(functionImport); parameterWriter.WriteStart(); foreach (var parameter in parameters) { ODataCollectionStart collectionStart = parameter.Value as ODataCollectionStart; ODataFeed feed; ODataEntry entry; if (collectionStart != null) { ODataCollectionWriter collectionWriter = parameterWriter.CreateCollectionWriter(parameter.Key); this.WriteCollection(collectionWriter, collectionStart); collectionWriter.Flush(); } else if ((feed = parameter.Value as ODataFeed) != null) { this.WriteFeed(parameterWriter.CreateFeedWriter(parameter.Key), feed); } else if ((entry = parameter.Value as ODataEntry) != null) { this.WriteEntry(parameterWriter.CreateEntryWriter(parameter.Key), entry); } else { parameterWriter.WriteValue(parameter.Key, parameter.Value); } } parameterWriter.WriteEnd(); parameterWriter.Flush(); }