1 files changed, 0 insertions, 62 deletions
diff --git a/tests/run/t6253b.scala b/tests/run/t6253b.scala
deleted file mode 100644
index c049aea7f..000000000
--- a/tests/run/t6253b.scala
+++ /dev/null
@@ -1,62 +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 = {
-      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 testIntersect[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 intersect b
-      require(hashCount == hashCount0, s"key.hashCode should not be called, but has been called ${hashCount - hashCount0} times. Key type $keyType.")
-      require(u == (a intersect 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 <- j until i)
-        require(u.contains(mkKey(x)), s"Key type $keyType. Set (0 until ${i + j}) should contain $x but does not.")
-      val a_as = a intersect as
-      val as_a = as intersect a
-      require((a_as eq as) || (a_as eq a), s"No structural sharing in a intersect as. Key type $keyType, a=(0 until $i) as=(0 until $j)")
-      require((as_a eq as) || (as_a eq a), s"No structural sharing in as intersect 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)
-  testIntersect(sizes, offsets, "int", identity[Int])
-  testIntersect(sizes, offsets, "hashcounter", HashCounter.apply)
-  testIntersect(sizes, offsets, "collision", Collision.apply)
-}