Add test

Author: nicolasstucki

tests/run/i9056.scala

@@ -0,0 +1,19 @@
+
+@main def Test =
+  assert(((): Any).isInstanceOf[Tuple])
+  assert((1, 2).isInstanceOf[Tuple])
+  assert((1, 2, 3).isInstanceOf[Tuple])
+  assert(!"".isInstanceOf[Tuple])
+  assert(!Some("").isInstanceOf[Tuple])
+
+  assert(!((): Any).isInstanceOf[NonEmptyTuple])
+  assert((1, 2).isInstanceOf[NonEmptyTuple])
+  assert((1, 2, 3).isInstanceOf[NonEmptyTuple])
+  assert(!("": Any).isInstanceOf[NonEmptyTuple])
+  assert(!(Some(""): Any).isInstanceOf[NonEmptyTuple])
+
+  assert(!((): Any).isInstanceOf[_ *: _])
+  assert((1, 2).isInstanceOf[_ *: _])
+  assert((1, 2, 3).isInstanceOf[_ *: _])
+  assert(!("": Any).isInstanceOf[_ *: _])
+  assert(!(Some(""): Any).isInstanceOf[_ *: _])