From 97fefe1fcca363a1317e066e7f4b99b9c1e9987b Mon Sep 17 00:00:00 2001 From: Stephane Glondu Date: Thu, 12 Jan 2012 16:02:20 +0100 Subject: Imported Upstream version 8.4~beta --- test-suite/success/ltac.v | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'test-suite/success/ltac.v') diff --git a/test-suite/success/ltac.v b/test-suite/success/ltac.v index 02618c2c..7387add6 100644 --- a/test-suite/success/ltac.v +++ b/test-suite/success/ltac.v @@ -244,6 +244,29 @@ reflexivity. apply I. Qed. +(* Test binding of open terms with non linear matching *) + +Ltac f_non_linear t := + match t with + (forall x y, ?u = 0) -> (forall y x, ?u = 0) => + assert (forall x y:nat, u = u) + end. + +Goal True. +f_non_linear ((forall x y, x+y = 0) -> (forall x y, y+x = 0)). +reflexivity. +f_non_linear ((forall a b, a+b = 0) -> (forall a b, b+a = 0)). +reflexivity. +f_non_linear ((forall a b, a+b = 0) -> (forall x y, y+x = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall a b, b+a = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall y x, x+y = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall y x, y+x = 0)) (* should fail *) +|| exact I. +Qed. + (* Test regular failure when clear/intro breaks soundness of the interpretation of terms in current environment *) @@ -275,3 +298,7 @@ evar(foo:nat). let evval := eval compute in foo in not_eq evval 1. let evval := eval compute in foo in not_eq 1 evval. Abort. + +(* Check that this returns an error and not an anomaly (see r13667) *) + +Fail Local Tactic Notation "myintro" := intro. -- cgit v1.2.3