You are quite vague about your situation, code-wise. There are no "somewhat OK" tests. Write all your tests so that they pass, fail, or skip if unapplicable.

I didn't think I was vague.

Function throws an exception if a particular parameter is a particular bad value: check. Exception string mentions the specific parameter in question: check. Exception carp's to the correct user-facing call: fail.

The last thing will not prevent the module from being used, and should not fail an installation. It should not prevent the module from being flagged as broken during CPAN testing. But I do want to find out about it during CPAN testing, as I want to exploit its ability to test on all platforms and versions.

So, what "situation" exists that I can use to determine whether or not the test runs?

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