Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5959#discussion_r29897233
--- Diff:
core/src/test/scala/org/apache/spark/util/ClosureCleanerSuite.scala ---
@@ -260,6 +262,21 @@ private object TestUserClosuresActuallyCleaned {
def testMapPartitionsWithIndex(rdd: RDD[Int]): Unit = {
rdd.mapPartitionsWithIndex { (_, it) => return; it }.count()
}
+ def testFlatMapWith(rdd: RDD[Int]): Unit = {
+ import java.util.Random
+ val randoms = rdd.flatMapWith(
+ (index: Int) => new Random(index + 42))
+ {(t: Int, prng: Random) =>
+ val random = prng.nextDouble()
+ Seq(random * t, random * t * 10)}.
+ count()
+ }
+ def testMapWith(rdd: RDD[Int]): Unit = {
+ import java.util.Random
+ val randoms = rdd.mapWith(
+ (index: Int) => new Random(index + 42))
+ {(t: Int, prng: Random) => prng.nextDouble * t}.count()
--- End diff --
note that the tests will fail because these closures are expected to have
`return` statements in them. Can you model these closures after the other ones
in this test?
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