lean4-htt/tests/elab/skipKernelTC.lean
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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import Lean
open Lean Meta Elab Tactic in
elab "my_tac" : tactic =>
liftMetaTactic1 fun mvarId => do
mvarId.assign (mkConst ``True.intro)
return none
example : True := by
my_tac -- should work
/--
error: (kernel) declaration type mismatch, '_example' has type
True
but it is expected to have type
1 = 2
-/
#guard_msgs in
example : 1 = 2 := by
my_tac -- generates invalid proof that is rejected by the kernel
set_option debug.skipKernelTC true in
example : 1 = 2 := by
my_tac -- generates invalid proof that is **not** checked by the kernel