[tlaplus] Request for comment: adding EXPECT statements to model files

[Andrew Helwer <andrew.helwer@xxxxxxxxx>]

Hi all,

I've implemented a feature in TLC to accept an EXPECT statement in model files. This lets you assert that a given model file is expected to produce a violation. You can see the PR here; please leave feedback if you have any! https://github.com/tlaplus/tlaplus/pull/1269

Currently all this does is make TLC exit with code 0 if the expected violation is generated. It exits with a nonzero code if a different violation was generated, or if no violation was generated. You can assert one of the following in your model file:

• EXPECT NO_VIOLATION
• EXPECT ASSUMPTION_VIOLATION
• EXPECT DEADLOCK_VIOLATION
• EXPECT SAFETY_VIOLATION
• EXPECT LIVENESS_VIOLATION
• EXPECT ASSERT_VIOLATION

If feedback all seems positive I will write some tests for the feature.

Andrew Helwer

-- 
You received this message because you are subscribed to the Google Groups "tlaplus" group.
To unsubscribe from this group and stop receiving emails from it, send an email to tlaplus+unsubscribe@xxxxxxxxxxxxxxxx.
To view this discussion visit https://groups.google.com/d/msgid/tlaplus/CABj%3DxUU5jdVyndxSsyXSi17cjra9R%2B8%3DM5vtXaUwAyGmKgx4JQ%40mail.gmail.com.