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

with explicit Unit return type

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/untried/neg/t2796.scala b/tests/untried/neg/t2796.scala
new file mode 100644
index 000000000..6e1ac852c
--- /dev/null
+++ b/tests/untried/neg/t2796.scala
@@ -0,0 +1,27 @@
+trait Base {
+  val abstractVal: String
+  final val useAbstractVal = abstractVal
+}
+
+trait T1 extends {
+  val abstractVal = "T1.abstractVal" // warn
+} with Base
+
+trait T2 extends {
+  type X = Int                       // warn
+} with Base
+
+class C1 extends {
+  val abstractVal = "C1.abstractVal" // okay
+} with Base
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    assert(new C1 ().useAbstractVal == "C1.abstractVal")
+    // This currently fails. a more ambitious approach to this ticket would add $earlyinit$
+    // to traits and call it from the right places in the right order.
+    //
+    // For now, we'll just issue a warning.
+    assert(new T1 {}.useAbstractVal == "T1.abstractVal")
+  }
+}