mirror of https://github.com/sbt/sbt.git
38 lines
1.2 KiB
Scala
38 lines
1.2 KiB
Scala
import xsbt._
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import org.scalacheck._
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import Prop._
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import Task._
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import TaskGen._
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import Math.abs
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object TaskRunnerForkTest extends Properties("TaskRunner Fork")
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{
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property("fork m tasks and wait for all to complete") = forAll(MaxTasksGen, MaxWorkersGen) { (m: Int, workers: Int) =>
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val values = (0 until m).toList
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checkResult(TaskRunner(values.fork(f => () ).join.map(_.toList),workers), values)
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true
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}
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property("Fork and reduce 2") = forAll(MaxTasksGen, MaxWorkersGen) { (m: Int, workers: Int) =>
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(m > 1) ==> {
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val task = (0 to m) fork {_ * 10} reduce{_ + _}
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checkResult(TaskRunner(task, workers), 5*(m+1)*m)
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}
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}
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property("Double join") = forAll(MaxJoinGen, MaxJoinGen, MaxWorkersGen) { (a: Int, b: Int, workers: Int) =>
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runDoubleJoin(abs(a),abs(b),workers)
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true
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}
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def runDoubleJoin(a: Int, b: Int, workers: Int)
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{
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def inner(i: Int) = List.range(0, b).map(j => Task(j) named(j.toString)).join.named("Join " + i)
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TaskRunner( List.range(0,a).map(inner).join.named("Outermost join"), workers)
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}
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property("fork and reduce") = forAll(TaskListGen, MaxWorkersGen) { (m: List[Int], workers: Int) =>
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(!m.isEmpty) ==> {
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val expected = m.reduceLeft(_+_)
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checkResult(TaskRunner( m.reduce(_ + _), workers), expected)
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}
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}
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}
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