lean4-htt/tests/lean/run/whileRepeat.lean
Kim Morrison 3a457e6ad6
chore: use #guard_msgs in run tests (#4175)
Many of our tests in `tests/lean/run/` produce output from `#eval` (or
`#check`) statements, that is then ignored.

This PR tries to capture all the useful output using `#guard_msgs`. I've
only done a cursory check that the output is still sane --- there is a
chance that some "unchecked" tests have already accumulated regressions
and this just cements them!

In the other direction, I did identify two rotten tests:
* a minor one in `setStructInstNotation.lean`, where a comment says `Set
Nat`, but `#check` actually prints `?_`. Weird?
* `CompilerProbe.lean` is generating empty output, apparently indicating
that something is broken, but I don't know the signficance of this file.

In any case, I'll ask about these elsewhere.

(This started by noticing that a recent `grind` test file had an
untested `trace_state`, and then got carried away.)
2024-05-16 00:38:31 +00:00

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Text

def test2 : IO Unit := do
let mut i := 0
repeat
println! "{i}"
i := i + 1
until i >= 10
println! "test2 done {i}"
/--
info: 0
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test2 done 10
-/
#guard_msgs in
#eval test2
def test3 : IO Unit := do
let mut i := 0
repeat
println! "{i}"
if i > 10 && i % 3 == 0 then break
i := i + 1
println! "test3 done {i}"
/--
info: 0
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test3 done 12
-/
#guard_msgs in
#eval test3