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Diffstat (limited to 'test/disabled/parallel-collections/ParallelIterableCheck.scala')
-rw-r--r-- | test/disabled/parallel-collections/ParallelIterableCheck.scala | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/test/disabled/parallel-collections/ParallelIterableCheck.scala b/test/disabled/parallel-collections/ParallelIterableCheck.scala new file mode 100644 index 0000000000..fd323ef82c --- /dev/null +++ b/test/disabled/parallel-collections/ParallelIterableCheck.scala @@ -0,0 +1,304 @@ +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 ParallelIterableCheck[T](collName: String) extends Properties(collName) with Operators[T] { + type CollType <: ParIterable[T] with Sequentializable[T, Iterable[T]] + + def values: Seq[Gen[T]] + def instances(valgens: Seq[Gen[T]]): Gen[Traversable[T]] + def fromTraversable(t: Traversable[T]): CollType + def isCheckingViews: Boolean + + val rnd = new scala.util.Random + + def sample(gen: Gen[T]): T = { + var s = gen.sample + while (s == None) s = gen.sample + s.get + } + + def sampleValue: T = sample(values(rnd.nextInt(values.length))) + + def collectionPairs = for (inst <- instances(values)) yield (inst, fromTraversable(inst)) + + def collectionPairsWithLengths = for (inst <- instances(values); s <- choose(0, inst.size)) + yield (inst, fromTraversable(inst), s) + + def collectionPairsWith2Indices = for ( + inst <- instances(values); + f <- choose(0, inst.size); + s <- choose(0, inst.size)) + yield (inst, fromTraversable(inst), f, s) + + def collectionTriplets = for (inst <- instances(values); + updStart <- choose(0, inst.size); howMany <- choose(0, inst.size)) yield { + val modif = inst.toSeq.patch(updStart, inst.toSeq, howMany) + (inst, fromTraversable(inst), modif) + } + + property("reductions must be equal for assoc. operators") = forAll(collectionPairs) { case (t, coll) => + if (t.size != 0) { + val results = for ((op, ind) <- reduceOperators.zipWithIndex) yield { + ("op index: " + ind) |: t.reduceLeft(op) == coll.reduce(op) + } + results.reduceLeft(_ && _) + } else "has size 0" |: true + } + + property("counts must be equal") = forAll(collectionPairs) { case (t, coll) => + val results = for ((pred, ind) <- countPredicates.zipWithIndex) yield { + val tc = t.count(pred) + val cc = coll.count(pred) + if (tc != cc) { + println("from: " + t) + println("and: " + coll.toList) + println(tc) + println(cc) + } + ("op index: " + ind) |: tc == cc + } + results.reduceLeft(_ && _) + } + + property("forall must be equal") = forAll(collectionPairs) { case (t, coll) => + val results = for ((pred, ind) <- forallPredicates.zipWithIndex) + yield ("op index: " + ind) |: t.forall(pred) == coll.forall(pred) + results.reduceLeft(_ && _) + } + + property("exists must be equal") = forAll(collectionPairs) { case (t, coll) => + val results = for ((pred, ind) <- existsPredicates.zipWithIndex) + yield ("op index: " + ind) |: t.exists(pred) == coll.exists(pred) + results.reduceLeft(_ && _) + } + + property("both must find or not find an element") = forAll(collectionPairs) { case (t, coll) => + val results = for ((pred, ind) <- findPredicates.zipWithIndex) yield { + val ft = t.find(pred) + val fcoll = coll.find(pred) + ("op index: " + ind) |: ((ft == None && fcoll == None) || (ft != None && fcoll != None)) + } + results.reduceLeft(_ && _) + } + + property("mappings must be equal") = forAll(collectionPairs) { case (t, coll) => + val results = for ((f, ind) <- mapFunctions.zipWithIndex) + yield ("op index: " + ind) |: t.map(f) == coll.map(f) + results.reduceLeft(_ && _) + } + + property("collects must be equal") = forAll(collectionPairs) { case (t, coll) => + val results = for ((f, ind) <- partialMapFunctions.zipWithIndex) yield { + val ps = t.collect(f) + val pp = coll.collect(f) + if (ps != pp) { + println(t) + println(coll) + println("partially mapped to: ") + println(ps) + println(pp) + } + ("op index: " + ind) |: ps == pp + } + results.reduceLeft(_ && _) + } + + property("flatMaps must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((f, ind) <- flatMapFunctions.zipWithIndex) + yield ("op index: " + ind) |: t.flatMap(f) == coll.flatMap(f)).reduceLeft(_ && _) + } + + property("filters must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((p, ind) <- filterPredicates.zipWithIndex) + yield ("op index: " + ind) |: t.filter(p) == coll.filter(p)).reduceLeft(_ && _) + } + + property("filterNots must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((p, ind) <- filterNotPredicates.zipWithIndex) + yield ("op index: " + ind) |: t.filterNot(p) == coll.filterNot(p)).reduceLeft(_ && _) + } + + if (!isCheckingViews) property("partitions must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((p, ind) <- partitionPredicates.zipWithIndex) yield { + val tpart = t.partition(p) + val cpart = coll.partition(p) + if (tpart != cpart) { + println("from: " + t) + println("and: " + coll) + println(cpart) + println(tpart) + } + ("op index: " + ind) |: tpart == cpart + }).reduceLeft(_ && _) + } + + property("takes must be equal") = forAll(collectionPairsWithLengths) { case (t, coll, n) => + ("take " + n + " elements") |: t.take(n) == coll.take(n) + } + + property("drops must be equal") = forAll(collectionPairsWithLengths) { case (t, coll, n) => + ("drop " + n + " elements") |: t.drop(n) == coll.drop(n) + } + + property("slices must be equal") = forAll(collectionPairsWith2Indices) + { case (t, coll, fr, slicelength) => + val from = if (fr < 0) 0 else fr + val until = if (from + slicelength > t.size) t.size else from + slicelength + val tsl = t.slice(from, until) + val collsl = coll.slice(from, until) + if (tsl != collsl) { + println("---------------------- " + from + ", " + until) + println("from: " + t) + println("and: " + coll) + println(tsl) + println(collsl) + println("as list: " + collsl.toList) + println(tsl.asInstanceOf[Seq[T]].sameElements(collsl)) + println(collsl.iterator.hasNext) + println(collsl.iterator.next) + println(collsl.iterator.hasNext) + println(collsl.iterator.next) + println(collsl.iterator.hasNext) + println(collsl.iterator.next) + println(collsl.iterator.hasNext) + } + ("slice from " + from + " until " + until) |: tsl == collsl + } + + property("splits must be equal") = forAll(collectionPairsWithLengths) { case (t, coll, n) => + val tspl = t.splitAt(n) + val cspl = coll.splitAt(n) + if (tspl != cspl) { + println("at: " + n) + println("from: " + t) + println("and: " + coll) + println(tspl) + println(cspl) + } + ("splitAt " + n) |: tspl == cspl + } + + property("takeWhiles must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((pred, ind) <- takeWhilePredicates.zipWithIndex) + yield ("operator " + ind) |: t.takeWhile(pred) == coll.takeWhile(pred)).reduceLeft(_ && _) + } + + property("spans must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((pred, ind) <- spanPredicates.zipWithIndex) yield { + val tsp = t.span(pred) + val csp = coll.span(pred) + if (tsp != csp) { + println("from: " + t) + println("and: " + coll) + println(tsp) + println(csp) + } + ("operator " + ind) |: tsp == csp + }).reduceLeft(_ && _) + } + + property("dropWhiles must be equal") = forAll(collectionPairs) { case (t, coll) => + (for ((pred, ind) <- dropWhilePredicates.zipWithIndex) yield { + ("operator " + ind) |: t.dropWhile(pred) == coll.dropWhile(pred) + }).reduceLeft(_ && _) + } + + property("folds must be equal for assoc. operators") = forAll(collectionPairs) { case (t, coll) => + (for (((first, op), ind) <- foldArguments.zipWithIndex) + yield ("operator " + ind) |: t.foldLeft(first)(op) == coll.fold(first)(op)).reduceLeft(_ && _) + } + + property("++s must be equal") = forAll(collectionTriplets) { case (t, coll, colltoadd) => + val toadd = colltoadd + val tr = t ++ toadd + val cr = coll ++ fromTraversable(toadd).iterator + if (!tr.toList.iterator.sameElements(cr.iterator)) { + println("from: " + t) + println("and: " + coll.iterator.toList) + println("adding: " + toadd) + println(tr.toList) + println(cr.iterator.toList) + } + ("adding " |: tr == cr) && + (for ((trav, ind) <- (addAllTraversables).zipWithIndex) yield { + val tadded = t ++ trav + val cadded = coll ++ fromTraversable(trav.toList) + if (tadded != cadded) { + println("----------------------") + println("from: " + t) + println("and: " + coll.iterator.toList) + println("adding: " + trav) + println(tadded.toList) + println(cadded.iterator.toList) + } + ("traversable " + ind) |: (tadded) == (cadded) + }).reduceLeft(_ && _) + } + + property("copies to array must be equal") = forAll(collectionPairs) { case (t, coll) => + val tarr = newArray(t.size) + val collarr = newArray(coll.size) + t.copyToArray(tarr, 0, t.size) + coll.copyToArray(collarr, 0, coll.size) + if (tarr.toSeq != collarr.toSeq) { + println("from: " + t) + println("and: " + coll) + println(tarr.toSeq) + println(collarr.toSeq) + } + tarr.toSeq == collarr.toSeq + } + +} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + |