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-rw-r--r--tests/pending/run/t6253a.scala64
1 files changed, 0 insertions, 64 deletions
diff --git a/tests/pending/run/t6253a.scala b/tests/pending/run/t6253a.scala
deleted file mode 100644
index c2db1f5af..000000000
--- a/tests/pending/run/t6253a.scala
+++ /dev/null
@@ -1,64 +0,0 @@
-import scala.collection.immutable.HashSet
-
-object Test extends dotty.runtime.LegacyApp {
-
- var hashCount = 0
-
- /**
- * A key that produces lots of hash collisions, to exercise the part of the code that deals with those
- */
- case class Collision(value: Int) {
-
- override def hashCode = {
- // we do not check hash counts for Collision keys because ListSet.++ uses a mutable hashset internally,
- // so when we have hash collisions, union will call key.hashCode.
- // hashCount += 1
- value / 5
- }
- }
-
- /**
- * A key that is identical to int other than that it counts hashCode invocations
- */
- case class HashCounter(value: Int) {
-
- override def hashCode = {
- hashCount += 1
- value
- }
- }
-
- def testUnion[T](sizes: Seq[Int], offsets: Seq[Double], keyType: String, mkKey: Int => T): Unit = {
- for {
- i <- sizes
- o <- offsets
- } {
- val e = HashSet.empty[T]
- val j = (i * o).toInt
- // create two sets of size i with overlap o
- val a = e ++ (0 until i).map(mkKey)
- require(a.size == i, s"Building HashSet of size $i failed. Key type $keyType.")
- val b = e ++ (j until (i + j)).map(mkKey)
- require(b.size == i, s"Building HashSet of size $i failed. Key type $keyType.")
- val as = e ++ (0 until j).map(mkKey)
- require(as.size == j, s"Building HashSet of size $j failed. Key type $keyType.")
- val hashCount0 = hashCount
- val u = a union b
- require(hashCount == hashCount0, s"key.hashCode should not be called, but has been called ${hashCount - hashCount0} times. Key type $keyType.")
- require(u == (a union scala.collection.mutable.HashSet(b.toSeq: _*)), s"Operation must still work for other sets!")
- require(u.size == i + j, s"Expected size ${i+j}. Real size ${u.size}. Key type $keyType.")
- for (x <- 0 until i + j)
- require(u.contains(mkKey(x)), s"Key type $keyType. Set (0 until ${i + j}) should contain $x but does not.")
- val a_as = a union as
- val as_a = as union a
- require((a_as eq a) || (a_as eq as), s"No structural sharing in a union as. Key type $keyType, a=(0 until $i) as=(0 until $j)")
- require((as_a eq a) || (as_a eq as), s"No structural sharing in as union a. Key type $keyType, a=(0 until $i) as=(0 until $j)")
- }
- }
-
- val sizes = Seq(1, 10, 100, 1000, 10000, 100000)
- val offsets = Seq(0.0, 0.25, 0.5, 0.75, 1.0)
- testUnion(sizes, offsets, "int", identity[Int])
- testUnion(sizes, offsets, "hashcounter", HashCounter.apply)
- testUnion(sizes, offsets, "collision", Collision.apply)
-}