Guidance about binary / data files for JTREG tests

Brian Burkhalter brian.burkhalter at
Mon Apr 28 19:01:17 UTC 2014

On Apr 28, 2014, at 11:52 AM, Florian Weimer <fweimer at> wrote:

> On 04/28/2014 07:53 PM, Brian Burkhalter wrote:
>> Meanwhile I suppose that I could convert my test file and use the sun.misc.UU{En,De}coder classes to handle it in the test.
> Uh-oh, we have java.util.Base64 these days.

D’oh. I should have known as I was working on something in the code base recently.

> But in this case, it's probably simpler to use this code snippet instead of adding 235 KiB of incompressible binary data to the source code.
>   […]
> (I hope it's correct, but you get the idea…)
> Anyway, for the first 100K primes, it runs in roughly 400 ms on my machine, including JVM startup and teardown.  That should be completely negligible compared to actually testing all the numbers for primality using a any non-sieve algorithm.

Thanks. I should have thought of that myself. I’ll re-work the thing and re-post an updated patch.



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