add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/untried/neg/t4044.scala b/tests/untried/neg/t4044.scala
new file mode 100644
index 000000000..eeb1d11ac
--- /dev/null
+++ b/tests/untried/neg/t4044.scala
@@ -0,0 +1,16 @@
+object Test {
+  def M[N[O[_]]] = ()
+  type A[_] = Any
+  type B[_[_]] = Any
+  type C[_[_[_]]] = Any
+
+  M[Any] // okay, Any is kind overloaded.
+
+  M[AnyRef] // error, (AnyRef :: *) not kind-conformant to (N :: * -> * -> *)
+
+  M[A] // error, (A :: (* -> *) not kind-conformant to (N :: * -> * -> *)
+
+  M[B] // okay, (B :: (* -> * -> *) is kind-conformant to (N :: * -> * -> *)
+
+  M[C] // error, (C :: (* -> * -> * -> *) not kind-conformant to (N :: * -> * -> *)
+}