public void ShouldNotAcknowledgeMessagesIfInvalid()
{
_source = new MessageSource <ITestMessage>(_lazyConnection, new[] { _deserializer }, _destination,
AcknowledgementMode.ClientAcknowledge);
var consumer = A.Fake <IMessageConsumer>();
A.CallTo(() => _session.CreateConsumer(_destination, null, false)).Returns(consumer);
IBytesMessage bytesMessage = A.Fake <IBytesMessage>();
A.CallTo(() => _deserializer.Deserialize(A <Stream> .Ignored)).Throws <Exception>();
_source.Messages.Subscribe(_observer);
consumer.Listener += Raise.FreeForm.With((Apache.NMS.IMessage)bytesMessage);
A.CallTo(() => bytesMessage.Acknowledge()).MustNotHaveHappened();
}
