public void AsyncShouldWriteParameterPayloadInRequestWithoutModelAndWithoutFunctionImport() { Action <ODataJsonLightOutputContext> test = outputContext => { var parameterWriter = new ODataJsonLightParameterWriter(outputContext, operation: null); parameterWriter.WriteStartAsync().Wait(); parameterWriter.WriteValueAsync("primitive", Guid.Empty).Wait(); var complexWriter = parameterWriter.CreateResourceWriterAsync("complex").Result; complexWriter.WriteStartAsync(new ODataResource { Properties = new[] { new ODataProperty { Name = "prop1", Value = 1 } } }).Wait(); complexWriter.WriteEndAsync().Wait(); var collectionWriter = parameterWriter.CreateCollectionWriterAsync("collection").Result; collectionWriter.WriteStartAsync(new ODataCollectionStart()).Wait(); collectionWriter.WriteItemAsync("item1").Wait(); collectionWriter.WriteEndAsync().Wait(); parameterWriter.WriteEndAsync().Wait(); parameterWriter.FlushAsync().Wait(); }; WriteAndValidate(test, "{\"primitive\":\"00000000-0000-0000-0000-000000000000\",\"complex\":{\"prop1\":1},\"collection\":[\"item1\"]}", writingResponse: false, synchronous: false); }