summaryrefslogtreecommitdiff
path: root/test/disabled/scalacheck/HashTrieSplit.scala
diff options
context:
space:
mode:
Diffstat (limited to 'test/disabled/scalacheck/HashTrieSplit.scala')
-rw-r--r--test/disabled/scalacheck/HashTrieSplit.scala47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/disabled/scalacheck/HashTrieSplit.scala b/test/disabled/scalacheck/HashTrieSplit.scala
new file mode 100644
index 0000000000..6b20efe12b
--- /dev/null
+++ b/test/disabled/scalacheck/HashTrieSplit.scala
@@ -0,0 +1,47 @@
+
+
+
+
+
+import collection._
+
+
+
+
+// checks whether hash tries split their iterators correctly
+// even after some elements have been traversed
+object Test {
+ def main(args: Array[String]) {
+ doesSplitOk
+ }
+
+ def doesSplitOk = {
+ val sz = 2000
+ var ht = new parallel.immutable.ParHashMap[Int, Int]
+ // println("creating trie")
+ for (i <- 0 until sz) ht += ((i + sz, i))
+ // println("created trie")
+ for (n <- 0 until (sz - 1)) {
+ // println("---------> n = " + n)
+ val pit = ht.parallelIterator
+ val pit2 = ht.parallelIterator
+ var i = 0
+ while (i < n) {
+ pit.next
+ pit2.next
+ i += 1
+ }
+ // println("splitting")
+ val pits = pit.split
+ val fst = pits(0).toSet
+ val snd = pits(1).toSet
+ val orig = pit2.toSet
+ if (orig.size != (fst.size + snd.size) || orig != (fst ++ snd)) {
+ println("Original: " + orig)
+ println("First: " + fst)
+ println("Second: " + snd)
+ assert(false)
+ }
+ }
+ }
+}