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authorGravatar Stephane Glondu <steph@glondu.net>2010-07-21 09:46:51 +0200
committerGravatar Stephane Glondu <steph@glondu.net>2010-07-21 09:46:51 +0200
commit5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 (patch)
tree631ad791a7685edafeb1fb2e8faeedc8379318ae /test-suite/bugs/closed/shouldsucceed/2255.v
parentda178a880e3ace820b41d38b191d3785b82991f5 (diff)
Imported Upstream snapshot 8.3~beta0+13298
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diff --git a/test-suite/bugs/closed/shouldsucceed/2255.v b/test-suite/bugs/closed/shouldsucceed/2255.v
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+(* Check injection in presence of dependencies hidden in applicative terms *)
+
+Inductive TupleT : nat -> Type :=
+ nilT : TupleT 0
+| consT {n} A : (A -> TupleT n) -> TupleT (S n).
+
+Inductive Tuple : forall n, TupleT n -> Type :=
+ nil : Tuple _ nilT
+| cons {n} A (x : A) (F : A -> TupleT n) : Tuple _ (F x) -> Tuple _ (consT A F).
+
+Goal forall n A F x X n0 A0 x0 F0 H0 (H : existT (fun n0 : nat => {H0 : TupleT
+n0 & Tuple n0 H0})
+ (S n0)
+ (existT (fun H0 : TupleT (S n0) => Tuple (S n0) H0)
+ (consT A0 F0) (cons A0 x0 F0 H0)) =
+ existT (fun n0 : nat => {H0 : TupleT n0 & Tuple n0 H0})
+ (S n)
+ (existT (fun H0 : TupleT (S n) => Tuple (S n) H0)
+ (consT A F) (cons A x F X))), False.
+intros.
+injection H.