[phobos] FreeBSD test machine

[Sean Kelly]

On Sep 25, 2011, at 11:45 PM, Jonathan M Davis wrote:

> On Sunday, September 25, 2011 23:39:00 Brad Roberts wrote:
>> 
>> 
>> Frankly, if the tests are that sensitive, the problem is the tests.  A Joe
>> Random downloader of the source should be able to expect the code to
>> compile and past tests on a reasonably modern os.  I'd argue that 8.x is
>> modern enough (more so given that last I checked, 8.2 was the most recent
>> 8.x release).  The job of the unit tests is to test the code, not how up to
>> date the distribution is.
> 
> True, but the problem is that in order to test the correctness of the code, 
> the tests must be quite exact. If the tests were Posix-only, it would be 
> relatively easy to do. However, Windows is seriously messed up with regards to 
> its DST information. It's almost always off outside of the US - especially with 
> dates that are farther back - so it becomes quite difficult to test DST switches 
> across OSes. Windows generally seems to do a better job with the current year, 
> which is why I ended up testing 2011 for America/Santiago. I guess that I'll 
> just have to see if I can rework the tests a bit. Worse comes to worst, 
> Windows will get its own set of tests for DST, but I'm loathe to do that if I 
> can avoid it.

I don't suppose you can just verify that the computations are correct for the timezone data provided?  It shouldn't matter how out of date my input is.  What I care about is whether the math sorts out correctly.