Use the design recipe, Luke. On Feb 11, 2012, at 1:09 PM, John Clements wrote:
> My students have terrible trouble with handin tests that don't terminate / > exhaust memory. Specifically, the handin fails, and no test results are saved > with the file in a SUCCESS directory. > > I think the underlying problem is that I'm using (add-header-line! ...) to > record information about test case results, and these are lost if the sandbox > self-terminates. > > I can see a couple of ways of fixing this: one is to send my test case info > "out of channel," so that it's not lost when the sandbox explodes. The other > one is to enrich my standard 'test' form with a timeout thread that sleeps > for half a second then kills the test to allow the assignment to be saved. > > I favor the second of these, because it looks like less work and because > users could conceivably get useful information back on a looping program. > > I'm guessing that others have solved this problem: is there an obvious > solution? > > John > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
