lean4-htt/tests/elab/apply_error.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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Text

/--
error: Tactic `apply` failed: could not unify the conclusion of `h`
True
with the goal
False
Note: The full type of `h` is
1 = 1 → True
h : 1 = 1 → True
⊢ False
-/
#guard_msgs in
example (h : 1 = 1 → True) : False := by
apply h
/--
error: Tactic `apply` failed: could not unify the type of `h`
1 = 1 → True
with the goal
2 = 2 → False
h : 1 = 1 → True
⊢ 2 = 2 → False
-/
#guard_msgs in
example (h : 1 = 1 → True) : 2 = 2 → False := by
apply h
/--
error: Tactic `apply` failed: could not unify the conclusion of `h`
1 = 1 → True
with the goal
2 = 2 → False
Note: The full type of `h` is
3 = 3 → 1 = 1 → True
h : 3 = 3 → 1 = 1 → True
⊢ 2 = 2 → False
-/
#guard_msgs in
example (h : 3 = 3 → 1 = 1 → True) : 2 = 2 → False := by
apply h
/--
error: Tactic `apply` failed: could not unify the type of `h`
True
with the goal
False
h : True
⊢ False
-/
#guard_msgs in
example (h : True) : False := by
apply h