diff options
Diffstat (limited to 'test/files/neg/unchecked-knowable.scala')
-rw-r--r-- | test/files/neg/unchecked-knowable.scala | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/files/neg/unchecked-knowable.scala b/test/files/neg/unchecked-knowable.scala new file mode 100644 index 0000000000..667b47f504 --- /dev/null +++ b/test/files/neg/unchecked-knowable.scala @@ -0,0 +1,20 @@ +/** Knowable - only final leaves */ +sealed abstract class A1 +sealed abstract class A2 extends A1 +final class A3 extends A1 +final class A4 extends A2 + +/** Unknowable */ +sealed abstract class B1 +sealed abstract class B2 extends B1 +final class B3 extends B1 +trait B4 extends B2 + +class Bippy +trait Dingus + +class A { + /* warn */ (new Bippy).isInstanceOf[A1] + /* nowarn */ (new Bippy).isInstanceOf[B1] + /* nowarn */ ((new Bippy): Any).isInstanceOf[A1] +} |