Added scalacheck tests for parallel collections.

Review by phaller (not urgent).

1 files changed, 67 insertions, 0 deletions

diff --git a/test/files/scalacheck/parallel-collections/ParallelRangeCheck.scala b/test/files/scalacheck/parallel-collections/ParallelRangeCheck.scala
new file mode 100644
index 0000000000..91296a2030
--- /dev/null
+++ b/test/files/scalacheck/parallel-collections/ParallelRangeCheck.scala
@@ -0,0 +1,67 @@
+package scala.collection.parallel
+package immutable
+
+
+
+
+import org.scalacheck._
+import org.scalacheck.Gen
+import org.scalacheck.Gen._
+import org.scalacheck.Prop._
+import org.scalacheck.Properties
+import org.scalacheck.Arbitrary._
+
+import scala.collection._
+import scala.collection.parallel.ops._
+
+
+
+
+object ParallelRangeCheck extends ParallelSeqCheck[Int]("ParallelRange[Int]") with ops.IntSeqOperators {
+  ForkJoinTasks.defaultForkJoinPool.setMaximumPoolSize(Runtime.getRuntime.availableProcessors * 2)
+  ForkJoinTasks.defaultForkJoinPool.setParallelism(Runtime.getRuntime.availableProcessors * 2)
+
+  type CollType = collection.parallel.ParSeq[Int]
+
+  def isCheckingViews = false
+
+  def instances(vals: Seq[Gen[Int]]): Gen[Seq[Int]] = sized { start =>
+    sized { end =>
+      sized { step =>
+        new Range(start, end, if (step != 0) step else 1)
+      }
+    }
+  }
+
+  def fromSeq(a: Seq[Int]) = a match {
+    case r: Range => new ParRange(r.start, r.end, r.step, false)
+    case _ =>
+      val pa = new parallel.mutable.ParArray[Int](a.length)
+      for (i <- 0 until a.length) pa(i) = a(i)
+      pa
+  }
+
+  override def traversable2Seq(t: Traversable[Int]): Seq[Int] = t match {
+    case r: Range => r
+    case _ => t.toSeq
+  }
+
+  def values = Seq(choose(-100, 100))
+
+}
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