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-rw-r--r--test-suite/success/CasesDep.v22
1 files changed, 22 insertions, 0 deletions
diff --git a/test-suite/success/CasesDep.v b/test-suite/success/CasesDep.v
index 8fde93c1ba..05554bed7b 100644
--- a/test-suite/success/CasesDep.v
+++ b/test-suite/success/CasesDep.v
@@ -26,6 +26,28 @@ Fixpoint foldrn (n : nat) (bs : listn B n) {struct bs} : C :=
end.
End Folding.
+(** Testing post-processing of nested dependencies *)
+
+Check fun x:{x|x=0}*nat+nat => match x with
+ | inl ((exist 0 eq_refl),0) => None
+ | _ => Some 0
+ end.
+
+Check fun x:{_:{x|x=0}|True}+nat => match x with
+ | inl (exist (exist 0 eq_refl) I) => None
+ | _ => Some 0
+ end.
+
+Check fun x:{_:{x|x=0}|True}+nat => match x with
+ | inl (exist (exist 0 eq_refl) I) => None
+ | _ => Some 0
+ end.
+
+Check fun x:{_:{x|x=0}|True}+nat => match x return option nat with
+ | inl (exist (exist 0 eq_refl) I) => None
+ | _ => Some 0
+ end.
+
(* -------------------------------------------------------------------- *)
(* Example to test patterns matching on dependent families *)
(* This exemple extracted from the developement done by Nacira Chabane *)