Yes, I was thinking of this approach... The paint events are sent to widgets when the widgets should "show themselves". Dumping some information in these paint methods can be good for comparison. The dumping also allows abstracting away some of the details which may prove as an overspecification.

Naturally, not the whole functionality can be tested this way. But IMHO the approach in testing should be inductive: (1) some testing is better than no testing, and (2) testing of N + 1 features is better than testing of N features.

In reply to Re^2: testing GUIs by spurperl
in thread testing GUIs by spurperl

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