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author | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2015-06-25 09:45:27 +0200 |
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committer | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2015-07-13 15:31:16 +0200 |
commit | ef536f00d9d480f28db3093b9dc09a90041cfb74 (patch) | |
tree | ca82afa7a37ce866978b0b66904941672f2dacc3 /tests/run/t6198.scala | |
parent | 9185428b63b138f8c05ade5592e59956296b5128 (diff) | |
download | dotty-ef536f00d9d480f28db3093b9dc09a90041cfb74.tar.gz dotty-ef536f00d9d480f28db3093b9dc09a90041cfb74.tar.bz2 dotty-ef536f00d9d480f28db3093b9dc09a90041cfb74.zip |
Enable 61 tests that succeed.
Diffstat (limited to 'tests/run/t6198.scala')
-rw-r--r-- | tests/run/t6198.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/run/t6198.scala b/tests/run/t6198.scala new file mode 100644 index 000000000..d893b9568 --- /dev/null +++ b/tests/run/t6198.scala @@ -0,0 +1,24 @@ +import scala.collection.immutable._ + +object Test extends dotty.runtime.LegacyApp { + // 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) +} |