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Diffstat (limited to 'test/files/scalacheck')
-rw-r--r-- | test/files/scalacheck/Ctrie.scala | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/files/scalacheck/Ctrie.scala b/test/files/scalacheck/Ctrie.scala index 714f1c3b09..eef9d06f37 100644 --- a/test/files/scalacheck/Ctrie.scala +++ b/test/files/scalacheck/Ctrie.scala @@ -186,6 +186,25 @@ object Test extends Properties("concurrent.TrieMap") { }) } + property("concurrent getOrElseUpdate") = forAll(threadCounts, sizes) { + (p, sz) => + val totalInserts = new java.util.concurrent.atomic.AtomicInteger + val ct = new TrieMap[Wrap, String] + + val results = inParallel(p) { + idx => + (0 until sz) foreach { + i => + val v = ct.getOrElseUpdate(Wrap(i), idx + ":" + i) + if (v == idx + ":" + i) totalInserts.incrementAndGet() + } + } + + (totalInserts.get == sz) && ((0 until sz) forall { + case i => ct(Wrap(i)).split(":")(1).toInt == i + }) + } + } |