Replace prints with assertions

src/main/scala/lecture3/01-intersectionWrong.scala

@@ -17,9 +17,9 @@ def parIntersectionWrong(a: ParSet[Int], b: ParSet[Int]) =
   result
 
 @main def intersectionWrong =
-  val a = (0 until 1000).toSet
-  val b = (0 until 1000 by 4).toSet
+  val a = (0 until 10000).toSet
+  val b = (0 until 10000 by 4).toSet
   val seqRes = a.intersect(b)
   val parRes = parIntersectionWrong(a.par.toSet, b.par.toSet)
-  println(s"Sequential result: ${seqRes.size}")
-  println(s"Parallel result: ${parRes.size}")
+  assert(seqRes.size == 2500)
+  assert(parRes.size != 2500)

src/main/scala/lecture3/02-intersectionCorrect.scala

@@ -18,9 +18,9 @@ def parIntersectionCorrect(a: ParSet[Int], b: ParSet[Int]) =
   result
 
 @main def intersectionCorrect =
-  val a = (0 until 1000).toSet
-  val b = (0 until 1000 by 4).toSet
+  val a = (0 until 10000).toSet
+  val b = (0 until 10000 by 4).toSet
   val seqRes = a.intersect(b)
   val parRes = parIntersectionCorrect(a.par.toSet, b.par.toSet)
-  println(s"Sequential result: ${seqRes.size}")
-  println(s"Parallel result: ${parRes.size}")
+  assert(seqRes.size == 2500)
+  assert(parRes.size == 2500)

src/main/scala/lecture3/03-intersectionNoSideEffect.scala

@@ -15,9 +15,9 @@ def intersectionParNoSideEffect(a: ParSet[Int], b: ParSet[Int]) =
   else b.filter(a(_))
 
 @main def intersectionNoSideEffect =
-  val a = (0 until 1000).toSet
-  val b = (0 until 1000 by 4).toSet
+  val a = (0 until 10000).toSet
+  val b = (0 until 10000 by 4).toSet
   val seqRes = a.intersect(b)
   val parRes = intersectionParNoSideEffect(a.par.toSet, b.par.toSet)
-  println(s"Sequential result: ${seqRes.size}")
-  println(s"Parallel result: ${parRes.size}")
+  assert(seqRes.size == 2500)
+  assert(parRes.size == 2500)