Excellent!
It is cool to see people having fun like that and also doing it the  
right way :)

Stef
>
>     The truth is that Luciano is doing all the work in NetSqueak. And
> yes, he's doing lots of tests (lots and interesting). Let me copy here
> he's last commit log to http://www.squeaksource.com/Net.html. For  
> every
> thing he does, he does tests. The last thing he implemented for  
> testing
> is the RealisticLoopback InternalNetworkDevice. A subclass of Loopback
> which implements drops, corruption and delays. To test how the stack
> behaves in this cases.
>     On the other side, for SqueakNOS I'm not writing no tests. I don't
> really know how to write tests for the HardwareDevices, but the  
> truth is
> that I have not yet felt the magic of tests, so I'm not pushing it too
> hard... mea culpa.
>
>     ok, the commit log for your pleasure:
>
> Name: Net-len.13
> Author: len
> Time: 1 August 2006, 2:02:21 pm
> UUID: dcfbc174-bcdb-4690-8af7-b46ab4704681
> Ancestors: Net-len.12
>
> - Implemented delayed ACKs in TCP.
> - New tests for TCP.
> - Timers now are working.
> - Refactored InterfaceConduit/ProtocolStack... the two of them are now
> one: NetInterface. I don't know yet if this is good enough, but I  
> had to
> do this change because I needed to start and stop timers (TCP, IP
> reassembly and ARP timers), and the same object that understands  
> #up and
> #down (the interface) and manages the process that handles incomming
> packets seems to be the right object to start and stop timers. All
> processes that are required for the networking stack are started and
> stopped sending #up and #down to the network interface.