Patrick Steinhardt <ps@xxxxxx> writes: >> Yes, it is a very good question. I do not mind if the answer is "it >> should, and the make and prove shouldn't let unexpected pass go >> unnoticed". The difference between the build systems bothers me > > Indeed, a good question. The TAP specification [1] has this to say: > > Should a todo test point begin succeeding, the harness may report it > in some way that indicates that whatever was supposed to be done has > been, and it should be promoted to a normal Test Point. > > Harnesses must not treat failing TODO test points as a test failure. > > Harneses should report TODO test points found as a list of items > needing work, if that is appropriate for their use case. > > So if my reading of this is correct then Meson isn't wrong in reporting > this as an error -- "in some way" basically gives it full permission to > do so. So this is plain old undefined behaviour we rely on :/ So, what should happen to succeeding TODO is left unspecified.