aboutsummaryrefslogtreecommitdiffhomepage
path: root/test-suite/bugs/closed/1963.v
diff options
context:
space:
mode:
authorGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
committerGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
commite46ce40cee2c34f47acb55d2b24bd09f00987556 (patch)
tree696da31b3041d1b7c69244ab5a48f77b87ccf79b /test-suite/bugs/closed/1963.v
parent20bb249ed0e19cc0132519e3de06fafe2ba500c3 (diff)
Get rid of "shouldsucceed" subdirectory by moving tests to parent directory.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16797 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/bugs/closed/1963.v')
-rw-r--r--test-suite/bugs/closed/1963.v19
1 files changed, 19 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/1963.v b/test-suite/bugs/closed/1963.v
new file mode 100644
index 000000000..11e2ee44d
--- /dev/null
+++ b/test-suite/bugs/closed/1963.v
@@ -0,0 +1,19 @@
+(* Check that "dependent inversion" behaves correctly w.r.t to universes *)
+
+Require Import Eqdep.
+
+Set Implicit Arguments.
+
+Inductive illist(A:Type) : nat -> Type :=
+ illistn : illist A 0
+| illistc : forall n:nat, A -> illist A n -> illist A (S n).
+
+Inductive isig (A:Type)(P:A -> Type) : Type :=
+ iexists : forall x : A, P x -> isig P.
+
+Lemma inv : forall (A:Type)(n n':nat)(ts':illist A n'), n' = S n ->
+ isig (fun t => isig (fun ts =>
+ eq_dep nat (fun n => illist A n) n' ts' (S n) (illistc t ts))).
+Proof.
+intros.
+dependent inversion ts'.