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From Martin Sebor <>
Subject Re: [jira] Updated: (STDCXX-536) allow thread safety tests to time out without failing
Date Wed, 12 Sep 2007 19:29:36 GMT
Travis Vitek wrote:
> Martin Sebor wrote:
>> We could eliminate some of the overhead due to building
>> these tests by building just one binary and rigging our test driver
>> to invoke it two or more times with different options (I like this
>> feature in and of itself a lot) but I fear there is little we can
>> do to deal with the overhead of running the test(s) multiple times.
> Are you talking about modifying the nightly build infrastructure so that
> it will invoke a test several times with different command line
> arguments to run the test differently, or are you thinking about having
> the test invoke itself with different arguments or something? I don't
> think any option other than the first will work.

The former. I'm envisioning changing the exec utility (which runs
the tests) to look for some "command" file corresponding to each
test from which it would figure out how many times to run it and
with what options. If the file didn't exist exec would run the
test the same way it does now.

This approach could even be extended to compiling and linking
certain tests with special options, or to implement negative
testing, i.e., to exercise the ability of the library to reject
invalid programs. It would even let us deal with the increasing
disk space problem by compiling and linking each test on demand
just before running it and then immediately deleting it to free
up disk space.

What do you think about this?


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