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-rw-r--r--test-suite/success/Case13.v64
1 files changed, 50 insertions, 14 deletions
diff --git a/test-suite/success/Case13.v b/test-suite/success/Case13.v
index 71c9191d..f19e24b8 100644
--- a/test-suite/success/Case13.v
+++ b/test-suite/success/Case13.v
@@ -1,33 +1,69 @@
(* Check coercions in patterns *)
Inductive I : Set :=
- C1 : nat -> I
-| C2 : I -> I.
+ | C1 : nat -> I
+ | C2 : I -> I.
Coercion C1 : nat >-> I.
(* Coercion at the root of pattern *)
-Check [x]Cases x of (C2 n) => O | O => O | (S n) => n end.
+Check (fun x => match x with
+ | C2 n => 0
+ | O => 0
+ | S n => n
+ end).
(* Coercion not at the root of pattern *)
-Check [x]Cases x of (C2 O) => O | _ => O end.
+Check (fun x => match x with
+ | C2 O => 0
+ | _ => 0
+ end).
(* Unification and coercions inside patterns *)
-Check [x:(option nat)]Cases x of None => O | (Some O) => O | _ => O end.
+Check
+ (fun x : option nat => match x with
+ | None => 0
+ | Some O => 0
+ | _ => 0
+ end).
(* Coercion up to delta-conversion, and unification *)
-Coercion somenat := (Some nat).
-Check [x]Cases x of None => O | O => O | (S n) => n end.
+Coercion somenat := Some (A:=nat).
+Check (fun x => match x with
+ | None => 0
+ | O => 0
+ | S n => n
+ end).
(* Coercions with parameters *)
-Inductive listn : nat-> Set :=
- niln : (listn O)
-| consn : (n:nat)nat->(listn n) -> (listn (S n)).
+Inductive listn : nat -> Set :=
+ | niln : listn 0
+ | consn : forall n : nat, nat -> listn n -> listn (S n).
Inductive I' : nat -> Set :=
- C1' : (n:nat) (listn n) -> (I' n)
-| C2' : (n:nat) (I' n) -> (I' n).
+ | C1' : forall n : nat, listn n -> I' n
+ | C2' : forall n : nat, I' n -> I' n.
Coercion C1' : listn >-> I'.
-Check [x:(I' O)]Cases x of (C2' _ _) => O | niln => O | _ => O end.
-Check [x:(I' O)]Cases x of (C2' _ niln) => O | _ => O end.
+Check (fun x : I' 0 => match x with
+ | C2' _ _ => 0
+ | niln => 0
+ | _ => 0
+ end).
+Check (fun x : I' 0 => match x with
+ | C2' _ niln => 0
+ | _ => 0
+ end).
+
+(* Check insertion of coercions around matched subterm *)
+
+Parameter A:Set.
+Parameter f:> A -> nat.
+
+Inductive J : Set := D : A -> J.
+
+Check (fun x => match x with
+ | D 0 => 0
+ | D _ => 1
+ end).
+