Re: [boost] Unit tests for functors?

From: Jeremy Siek (jsiek_at_[hidden])
Date: 2001-07-10 12:38:13

This is a fantastic idea... I'd really like to see a full suite of generic
tests for various of the common concepts. There's the start of a set of
iterator tests in boost/pending/iterator_tests.hpp. Tests for functors
would complement that nicely.

On Tue, 10 Jul 2001, Thomas Matelich wrote:
> jpanzer_at_[hidden] wrote:
>
> > Are there any unit tests for functors in the works for the Boost test
> > library?  Specifically, to test whether they really meet complex
> > requirements, such as strict weak ordering, for a given set of inputs?
> > This is something that static concept checking clearly can't do, but
> > it's important to get right, and I think it's expensive or impossible
> > for library code to try to validate such requirements.
> >
> > I don't see anything like this in the current beta or published
> > libraries.  The Boost Test Library looks like a good platform to build
> > such a thing on top of, though.
> >
> > Motivation: Recently an engineer in my group tracked down a mysterious
> > random crash problem to a bug in the comparison predicate used with a
> > map<> container.  Unfortunately this was my code :^).  I would love to
> > be able to write, as part of my unit test, something like this:
> >
> > test_functor_concept<StrictWeakOrdering>(MyLessThan(),
> > ArgumentGenerator());
> >
> > where I supply the functor (MyLessThan) and a generator functor that
> > creates test objects in a reproducible way for use by the test harness.
> > Perhaps a third argument specifying the amount of time to spend on the
> > testing would be useful. Anything like this already out there?
> >
> > If not, and people think it useful, I might write it myself.  Please let
> > me know what you think.
>
> I'm having trouble picturing how it would work, but it sounds useful.
> I'd be happy to review any code you come up with.
>
> On a side note, it has been a while since anyone pestered Beman about Boost.Test.  How
> is that coming, esp. regarding the unit test framework?
>
> --
> Thomas O Matelich
> Senior Software Designer
> Zetec, Inc.
> sosedada_at_[hidden]
> tmatelich_at_[hidden]
>
>
>
>
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----------------------------------------------------------------------
 Jeremy Siek                        www: http://www.lsc.nd.edu/~jsiek/
 Ph.D. Candidate, IU B'ton          email: jsiek_at_[hidden]
 Summer Manager, AT&T Research      phone: [phone]
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