Hi Tobias,
On Nov 23, 2007, at 8:32 AM, Tobias Crawley wrote:
Chuck:
What tools do you (or anyone else on the list) use for DBC? In your
book you discuss Jass, and you provide Jass4Eclipse (http://
www.gvcsitemaker.com/jass4eclipse/ant_builder). Is that what you
still use?
Not exactly. That plugin was for Eclipse 2. I never converted it to
the Eclipse 3 API (tried, failed, was too busy to learn the rest of
the API, never got back to it...). So now we have a custom Ant build
that we run that builds Jass. It is somewhat slow but better than no
DBC.
It would be nice to have something that did not require
preprocessing, and Contract4j5 (http://www.contract4j.org/) seems
to provide that (after a cursory look).
I was so excited when I found Contract4J5. I ripped out all the Jass
contracts from a project, replaced them all with C4J annotations.
Everything was great! Then I started running some tests. Wow. Slow
does not even begin to describe it. Glacial. Seconds of unit tests
without DBC became HOURS with Contract4J. There has to be a bug in
there, it is insanely slow. I have been corresponding with the
author but so far he has not found a / the problem and I have not had
time to dig into it. It is a very nice implementation, but unusable
for me.
There is an annotation based version of Jass out, http://
modernjass.sourceforge.net/
However, sigh, it is only for Java 6. So trying that out will have
to wait for Apple to release Java 6 on OS X.
Chuck
On Nov 22, 2007, at 9:45 PM, Chuck Hill wrote:
I also use Design by Contract with greatly reduces the need to
write unit tests as much of the code tests itself. I try to keep
in mind "only test what can break" as "only test what you might
have possibly written incorrectly" and don't write tests for very
simple methods. Test what is useful to test, don't test things
just because you can.
--
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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