Résolution bug #1850 sur notations avec niveaux inconnus de

camlp4. Petit nettoyage en passant.


git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10987 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 15 insertions, 1 deletions

diff --git a/test-suite/success/Notations.v b/test-suite/success/Notations.v
index a9e2c59ab0..facd550997 100644
--- a/test-suite/success/Notations.v
+++ b/test-suite/success/Notations.v
@@ -1,5 +1,5 @@
 (* Check that "where" clause behaves as if given independently of the  *)
-(* definition (variant of bug #113? submitted by Assia Mahboubi) *)
+(* definition (variant of bug #1132 submitted by Assia Mahboubi) *)
 
 Fixpoint plus1 (n m:nat) {struct n} : nat :=
    match n with
@@ -7,3 +7,17 @@ Fixpoint plus1 (n m:nat) {struct n} : nat :=
    | S p => S (p+m)
    end
  where "n + m" := (plus1 n m) : nat_scope.
+
+(* Check behaviour wrt yet empty levels (see Stephane's bug #1850) *)
+
+Parameter P : Type -> Type -> Type -> Type.
+Notation "e |= t --> v" := (P e t v)     (at level 100, t at level 54).
+Check (nat |= nat --> nat).
+
+(* Check that first non empty definition at an empty level can be of any 
+   associativity *)
+
+Definition marker := O.
+Notation "x +1" := (S x) (at level 8, left associativity).
+Reset marker.
+Notation "x +1" := (S x) (at level 8, right associativity).