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Re: Request for Assist on Limits for Tests

On Sun, Jan 07, 2018 at 03:57:59PM -0500, Randall S. Becker wrote:
> I'm looking for a proper (i.e. not sneaky) way to detect the platform I am
> on during testing so that some tests can be modified/skipped other than
> using the standard set of dependencies. In particular, the maximum path on
> current NonStop platforms is 8-bit 2048 bytes. It appears that there are
> some tests - at least from my preliminary "guessing" - that are beyond that
> limit once all of the path segments are put together. I would rather have
> something in git that specifies a path size limit so nothing exceeds it, but
> that may be wishing.

The way we usually skip tests automatically is with a test prerequisite.
You might look at t/test-lib.sh for the test_set_prereq and
test_lazy_prereq calls and synthesize one (maybe LONG_PATHS) that meets
your needs.  You can then annotate those tests with the appropriate

I expect that for long paths, you will hit a lot of the same issues as
occur on Windows, where PATH_MAX may be very small.  It might be
valuable to expose this information as a build option and then set an
appropriate variable in t/test-lib.sh.
brian m. carlson / brian with sandals: Houston, Texas, US
https://www.crustytoothpaste.net/~bmc | My opinion only
OpenPGP: https://keybase.io/bk2204

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