diff options
Diffstat (limited to 'test-suite')
| -rw-r--r-- | test-suite/bugs/closed/6490.v | 4 | ||||
| -rw-r--r-- | test-suite/success/dtauto-let-deps.v | 24 |
2 files changed, 28 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/6490.v b/test-suite/bugs/closed/6490.v new file mode 100644 index 0000000000..dcf9ff29ed --- /dev/null +++ b/test-suite/bugs/closed/6490.v @@ -0,0 +1,4 @@ +Inductive Foo (A' := I) (B : Type) := foo : Foo B. + +Goal Foo True. dtauto. Qed. +Goal Foo True. firstorder. Qed. diff --git a/test-suite/success/dtauto-let-deps.v b/test-suite/success/dtauto-let-deps.v new file mode 100644 index 0000000000..094b2f8b3c --- /dev/null +++ b/test-suite/success/dtauto-let-deps.v @@ -0,0 +1,24 @@ +(* +This test is sensitive to changes in which let-ins are expanded when checking +for dependencies in constructors. +If the (x := X) is not reduced, Foo1 won't be recognized as a conjunction, +and if the (y := X) is reduced, Foo2 will be recognized as a conjunction. + +This tests the behavior of engine/termops.ml : prod_applist_assum, +which is currently specified to reduce exactly the parameters. + +If dtauto is changed to reduce lets in constructors before checking dependency, +this test will need to be changed. +*) + +Context (P Q : Type). +Inductive Foo1 (X : Type) (x := X) := foo1 : let y := X in P -> Q -> Foo1 x. +Inductive Foo2 (X : Type) (x := X) := foo2 : let y := X in P -> Q -> Foo2 y. + +Goal P -> Q -> Foo1 nat. +solve [dtauto]. +Qed. + +Goal P -> Q -> Foo2 nat. +Fail solve [dtauto]. +Abort. |