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Diffstat (limited to 'test/files/scalacheck/si4147.scala')
| -rw-r--r-- | test/files/scalacheck/si4147.scala | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/test/files/scalacheck/si4147.scala b/test/files/scalacheck/si4147.scala index 1453440ef1..05507b1b18 100644 --- a/test/files/scalacheck/si4147.scala +++ b/test/files/scalacheck/si4147.scala @@ -1,4 +1,4 @@ -import org.scalacheck.Prop.forAll +import org.scalacheck.Prop.{forAll, throws} import org.scalacheck.Properties import org.scalacheck.ConsoleReporter.testStatsEx import org.scalacheck.Gen @@ -64,4 +64,7 @@ object Test extends Properties("Mutable TreeSet") { view.filter(_ < 50) == Set[Int]() && view.filter(_ >= 150) == Set[Int]() } } + + property("ordering must not be null") = + throws(mutable.TreeSet.empty[Int](null), classOf[NullPointerException]) } |