public void ContentEncoding()
        {
            const String contentEncoding = "UTF-16";
            var          message         = new OutboundMessage <Bar>(new Bar());

            message.SetContentEncoding(contentEncoding);
            var properties = message.BuildBasicProperties(StubResolver <Bar>(null).Object,
                                                          StubDateTimeProvider().Object,
                                                          new Mock <INewId>().Object);

            Assert.Equal(contentEncoding, properties.ContentEncoding);
        }