1 files changed, 9 insertions, 1 deletions
diff --git a/test/files/neg/wellkinded_wrongarity2.scala b/test/files/neg/wellkinded_wrongarity2.scala
index ee9d771aaa..3154732672 100644
--- a/test/files/neg/wellkinded_wrongarity2.scala
+++ b/test/files/neg/wellkinded_wrongarity2.scala
@@ -1,4 +1,12 @@
 // test well-kindedness checks
+
+// expecting types of kind *->*
 class Monad[m[x]]
+trait ms1 extends Monad[String]        // wrong
+trait ms2[t] extends Monad[t]          // wrong
+trait ms3[m[_], t] extends Monad[m[t]] // wrong -- added to check regression on bug
 
-object ms extends Monad[String]
-\ No newline at end of file
+// expecting types of kind *
+trait Foo[x]
+trait Bar1[m[_]] extends Foo[m[Int]] // check that m[Int] is properly recognized as kind-*
+trait Bar2[m[_]] extends Foo[m] // check that m is properly recognized as kind *->*, while * is expected
+\ No newline at end of file