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Diffstat (limited to 'test/files/scalacheck/treeset.scala')
-rw-r--r-- | test/files/scalacheck/treeset.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/test/files/scalacheck/treeset.scala b/test/files/scalacheck/treeset.scala index 98e38c8219..018c1b9e29 100644 --- a/test/files/scalacheck/treeset.scala +++ b/test/files/scalacheck/treeset.scala @@ -149,4 +149,7 @@ object Test extends Properties("TreeSet") { val result = subject.foldLeft(subject)((acc, elt) => acc - elt) result.isEmpty } + + property("ordering must not be null") = + throws(TreeSet.empty[Int](null), classOf[NullPointerException]) } |