Test whether Nil.maxBy throws UnsupportedOperationException

scala · Mar 19, 2021 · e578b77 · e578b77
1 parent b5e89c0
commit e578b77
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/junit/src/test/scala/scala/collection/parallel/mutable/ParArrayTest.scala b/junit/src/test/scala/scala/collection/parallel/mutable/ParArrayTest.scala
@@ -148,4 +148,9 @@ class ParArrayTest extends scala.collection.concurrent.ctries_old.Spec {
     evaluating { ParArray.empty[String].minBy(_.length) }.shouldProduce[UnsupportedOperationException]()
   }
 
+  @Test
+  def `emtpy maxBy`: Unit = {
+    evaluating { ParArray.empty[String].maxBy(_.length) }.shouldProduce[UnsupportedOperationException]()
+  }
+
 }