1 files changed, 0 insertions, 52 deletions
diff --git a/test/files/scalacheck/CheckCollections.scala b/test/files/scalacheck/CheckCollections.scala
deleted file mode 100644
index 329d505b47..0000000000
--- a/test/files/scalacheck/CheckCollections.scala
+++ /dev/null
@@ -1,52 +0,0 @@
-import org.scalacheck.Properties
-import org.scalacheck.Prop._
-
-import scala.reflect.internal.util.Collections._
-
-object Test extends Properties("reflect.internal.util.Collections") {
-  def map2ConserveOld[A <: AnyRef, B](xs: List[A], ys: List[B])(f: (A, B) => A): List[A] =
-    if (xs.isEmpty || ys.isEmpty) xs
-    else {
-      val x1 = f(xs.head, ys.head)
-      val xs1 = map2Conserve(xs.tail, ys.tail)(f)
-      if ((x1 eq xs.head) && (xs1 eq xs.tail)) xs
-      else x1 :: xs1
-    }
-
-  val testfun: (String, Int) => String = { case(x, y) =>
-    x.toLowerCase + y.toString
-  }
-  val testid: (String, Int) => String = { case (x, y) => x }
-
-  val prop1_map2Conserve = forAll { (xs: List[String], ys: List[Int]) =>
-    val res = map2Conserve(xs, ys)(testid)
-    res eq xs
-  }
-
-  val prop2_map2Conserve = forAll { (xs: List[String], ys: List[Int]) =>
-    map2Conserve(xs, ys)(testid)  == map2ConserveOld(xs, ys)(testid) &&
-    map2Conserve(xs, ys)(testfun) == map2ConserveOld(xs, ys)(testfun)
-  }
-
-  def checkStackOverflow() {
-    var xs: List[String] = Nil
-    var ys: List[Int]    = Nil
-    for (i <- 0 until 250000) {
-        xs = "X" :: xs
-        ys = 1   :: ys
-    }
-    map2Conserve(xs, ys){ case(x, y) => x.toLowerCase + y.toString }
-  }
-
-
-  val tests = List(
-    ("map2Conserve(identity)",   prop1_map2Conserve),
-    ("map2Conserve == old impl", prop2_map2Conserve)
-  )
-
-  checkStackOverflow()
-
-  for {
-    (label, prop) <- tests
-  } property(label) = prop
-}