Scala example source code file (ParallelMapCheck1.scala)

This example Scala source code file (ParallelMapCheck1.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

colltype, colltype, par, par, paralleliterablecheck, parallelmapcheck, parmap, some, some, string, v, v

The Scala ParallelMapCheck1.scala source code

package scala.collection.parallel



import org.scalacheck._
import org.scalacheck.Gen
import org.scalacheck.Gen._
import org.scalacheck.Prop._
import org.scalacheck.Properties

import scala.collection._
import scala.collection.parallel._




abstract class ParallelMapCheck[K, V](collname: String) extends ParallelIterableCheck[(K, V)](collname) {
  type CollType <: ParMap[K, V]
  
  property("gets iterated keys") = forAll(collectionPairs) {
    case (t, coll) =>
    val containsT = for ((k, v) <- t) yield (coll.get(k) == Some(v))
    val containsSelf = for ((k, v) <- coll) yield (coll.get(k) == Some(v))
    ("Par contains elements of seq map" |: containsT.forall(_ == true)) &&
    ("Par contains elements of itself" |: containsSelf.forall(_ == true))
  }  
   
}