What about using ThreadLocal generators? On Sun, Dec 11, 2011 at 11:42 AM, Sean Owen <sro...@gmail.com> wrote: > On Sun, Dec 11, 2011 at 7:35 PM, Ted Dunning <ted.dunn...@gmail.com> wrote: > >> The right way to handle this is to have instances get a random number >> generator that works like it should. Magic resets in the middle of >> operation are not a good idea. >> > > Why would the caller care? It's all random numbers, whether "reset" or not. > > >> >> I think we need a better way to inject generators that doesn't involve >> statics. >> >> > There is no way to control and reset Randoms other than what's done in > RandomWrapper (with statics). If you think deterministic tests are a good > goal, there's no argument with this, as it's the only way to do it. (And if > you don't agree that's another conversation -- but we do need this.) > > To be clear: the injection is not at all the issue here. I'm happy to write > an essay on this, but, the punchline is: there is virtually no way to have > deterministic tests in one JVM while running all the tests in parallel. We > were pursuing means to execute subsets of the tests in parallel in > different JVMs, which can work and does work. We haven't yet found a way to > do it in Maven.
-- Lance Norskog goks...@gmail.com
