diff options
author | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-08-11 04:49:21 -0700 |
---|---|---|
committer | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-08-11 04:49:21 -0700 |
commit | ffca128c5caeb1921bdbfb3736f649ffcdbb2af3 (patch) | |
tree | 35d4e5bdaa0f27b6e3de5e973c3b29e0fdead86e /test | |
parent | a9c00f2dff1f86f5cfcba4f8d88e784d866515ec (diff) | |
parent | cef47262326b2219c429a58f199cfb04ae109422 (diff) | |
download | scala-ffca128c5caeb1921bdbfb3736f649ffcdbb2af3.tar.gz scala-ffca128c5caeb1921bdbfb3736f649ffcdbb2af3.tar.bz2 scala-ffca128c5caeb1921bdbfb3736f649ffcdbb2af3.zip |
Merge pull request #1097 from rklaehn/SI-6198
Si 6198
Diffstat (limited to 'test')
-rw-r--r-- | test/files/run/t6198.check | 0 | ||||
-rw-r--r-- | test/files/run/t6198.scala | 24 |
2 files changed, 24 insertions, 0 deletions
diff --git a/test/files/run/t6198.check b/test/files/run/t6198.check new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/test/files/run/t6198.check diff --git a/test/files/run/t6198.scala b/test/files/run/t6198.scala new file mode 100644 index 0000000000..5aa8f1c1cf --- /dev/null +++ b/test/files/run/t6198.scala @@ -0,0 +1,24 @@ +import scala.collection.immutable._ + +object Test extends App { + // test that ListSet.tail does not use a builder + // we can't test for O(1) behavior, so the best we can do is to + // check that ls.tail always returns the same instance + val ls = ListSet.empty[Int] + 1 + 2 + + if(ls.tail ne ls.tail) + println("ListSet.tail should not use a builder!") + + // class that always causes hash collisions + case class Collision(value:Int) { override def hashCode = 0 } + + // create a set that should have a collison + val x = HashSet.empty + Collision(0) + Collision(1) + if(x.getClass.getSimpleName != "HashSetCollision1") + println("HashSet of size >1 with collisions should use HashSetCollision") + + // remove the collision again by removing all but one element + val y = x - Collision(0) + if(y.getClass.getSimpleName != "HashSet1") + println("HashSet of size 1 should use HashSet1" + y.getClass) +} |