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-rw-r--r--test-suite/failure/Tauto.v10
-rw-r--r--test-suite/failure/clash_cons.v10
-rw-r--r--test-suite/failure/fixpoint1.v10
-rw-r--r--test-suite/failure/fixpointeta.v70
-rw-r--r--test-suite/failure/guard.v10
-rw-r--r--test-suite/failure/illtype1.v10
-rw-r--r--test-suite/failure/positivity.v10
-rw-r--r--test-suite/failure/redef.v10
-rw-r--r--test-suite/failure/search.v10
9 files changed, 118 insertions, 32 deletions
diff --git a/test-suite/failure/Tauto.v b/test-suite/failure/Tauto.v
index 19976b41bd..81d5b6358e 100644
--- a/test-suite/failure/Tauto.v
+++ b/test-suite/failure/Tauto.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(**** Tactics Tauto and Intuition ****)
diff --git a/test-suite/failure/clash_cons.v b/test-suite/failure/clash_cons.v
index 1761cc437d..89299110be 100644
--- a/test-suite/failure/clash_cons.v
+++ b/test-suite/failure/clash_cons.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(* Teste la verification d'unicite des noms de constr *)
diff --git a/test-suite/failure/fixpoint1.v b/test-suite/failure/fixpoint1.v
index 0739982442..eb3d94526c 100644
--- a/test-suite/failure/fixpoint1.v
+++ b/test-suite/failure/fixpoint1.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
Fail Fixpoint PreParadox (u : unit) : False := PreParadox u.
(*Definition Paradox := PreParadox tt.*)
diff --git a/test-suite/failure/fixpointeta.v b/test-suite/failure/fixpointeta.v
new file mode 100644
index 0000000000..9af719322f
--- /dev/null
+++ b/test-suite/failure/fixpointeta.v
@@ -0,0 +1,70 @@
+
+Set Primitive Projections.
+
+Record R := C { p : nat }.
+(* R is defined
+p is defined *)
+
+Unset Primitive Projections.
+Record R' := C' { p' : nat }.
+
+
+
+Fail Definition f := fix f (x : R) : nat := p x.
+(** Not allowed to make fixpoint defs on (non-recursive) records
+ having eta *)
+
+Fail Definition f := fix f (x : R') : nat := p' x.
+(** Even without eta (R' is not primitive here), as long as they're
+ found to be BiFinite (non-recursive), we disallow it *)
+
+(*
+
+(* Subject reduction failure example, if we allowed fixpoints *)
+
+Set Primitive Projections.
+
+Record R := C { p : nat }.
+
+Definition f := fix f (x : R) : nat := p x.
+
+(* eta rule for R *)
+Definition Rtr (P : R -> Type) x (v : P (C (p x))) : P x
+ := v.
+
+Definition goal := forall x, f x = p x.
+
+(* when we compute the Rtr away typechecking will fail *)
+Definition thing : goal := fun x =>
+(Rtr (fun x => f x = p x) x (eq_refl _)).
+
+Definition thing' := Eval compute in thing.
+
+Fail Check (thing = thing').
+(*
+The command has indeed failed with message:
+The term "thing'" has type "forall x : R, (let (p) := x in p) = (let (p) := x in p)"
+while it is expected to have type "goal" (cannot unify "(let (p) := x in p) = (let (p) := x in p)"
+and "f x = p x").
+*)
+
+Definition thing_refl := eq_refl thing.
+
+Fail Definition thing_refl' := Eval compute in thing_refl.
+(*
+The command has indeed failed with message:
+Illegal application:
+The term "@eq_refl" of type "forall (A : Type) (x : A), x = x"
+cannot be applied to the terms
+ "forall x : R, (fix f (x0 : R) : nat := let (p) := x0 in p) x = (let (p) := x in p)" : "Prop"
+ "fun x : R => eq_refl" : "forall x : R, (let (p) := x in p) = (let (p) := x in p)"
+The 2nd term has type "forall x : R, (let (p) := x in p) = (let (p) := x in p)"
+which should be coercible to
+ "forall x : R, (fix f (x0 : R) : nat := let (p) := x0 in p) x = (let (p) := x in p)".
+ *)
+
+Definition more_refls : thing_refl = thing_refl.
+Proof.
+ compute. reflexivity.
+Fail Defined. Abort.
+ *)
diff --git a/test-suite/failure/guard.v b/test-suite/failure/guard.v
index 312dc48bea..2a5ad7789c 100644
--- a/test-suite/failure/guard.v
+++ b/test-suite/failure/guard.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(*
Fixpoint F (n:nat) : False := F (match F n with end).
diff --git a/test-suite/failure/illtype1.v b/test-suite/failure/illtype1.v
index fdd1bddd88..ec43ea5fc8 100644
--- a/test-suite/failure/illtype1.v
+++ b/test-suite/failure/illtype1.v
@@ -1,8 +1,10 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
Fail Check (S S).
diff --git a/test-suite/failure/positivity.v b/test-suite/failure/positivity.v
index b21204b9e4..2798dcf974 100644
--- a/test-suite/failure/positivity.v
+++ b/test-suite/failure/positivity.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(* Negative occurrence *)
diff --git a/test-suite/failure/redef.v b/test-suite/failure/redef.v
index c49dbd7cae..981d14387d 100644
--- a/test-suite/failure/redef.v
+++ b/test-suite/failure/redef.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
Definition toto := Set.
Fail Definition toto := Set.
diff --git a/test-suite/failure/search.v b/test-suite/failure/search.v
index fae6cd6f3b..058c427c93 100644
--- a/test-suite/failure/search.v
+++ b/test-suite/failure/search.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
Fail SearchPattern (_ = _) outside n_existe_pas.
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