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

with explicit Unit return type

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/untried/pos/extractor-types.scala b/tests/untried/pos/extractor-types.scala
new file mode 100644
index 000000000..200279be6
--- /dev/null
+++ b/tests/untried/pos/extractor-types.scala
@@ -0,0 +1,30 @@
+package p1 {
+  object Ex  { def unapply(p: Any): Option[_ <: Int] = null }
+  object Foo { val Ex(_) = null }
+}
+// a.scala:2: error: error during expansion of this match (this is a scalac bug).
+// The underlying error was: type mismatch;
+//  found   : Some[_$1(in value x$1)] where type _$1(in value x$1)
+//  required: Some[_$1(in method unapply)]
+// object Foo { val Ex(_) = null }
+//                    ^
+// one error found
+
+package p2 {
+  trait Other {
+    class Quux
+    object Baz { def unapply(x: Any): Option[Quux] = None }
+  }
+  trait Reifiers {
+    def f(): Unit = {
+      val u2: Other = null
+      (null: Any) match { case u2.Baz(x) => println(x) } //: u2.Quux) }
+      // The underlying error was: type mismatch;
+      //  found   : Other#Quux
+      //  required: u2.Quux
+      //     x match { case u2.Baz(x) => println(x: u2.Quux) }
+      //       ^
+      // one error found
+    }
+  }
+}