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-rw-r--r--tests/run/t5377.scala47
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/run/t5377.scala b/tests/run/t5377.scala
new file mode 100644
index 000000000..2e8fb1a6a
--- /dev/null
+++ b/tests/run/t5377.scala
@@ -0,0 +1,47 @@
+object Test {
+ def testPermutations1(num: Int, stream: Stream[Int]): Unit = {
+ val perm = stream.permutations
+ print(num)
+ while(perm.hasNext) {
+ print(" " + perm.next().toList)
+ }
+ println()
+ }
+ def testPermutations2(num: Int, stream: List[Int]): Unit = {
+ val perm = stream.permutations
+ print(num)
+ while(perm.hasNext) {
+ print(" " + perm.next().toList)
+ }
+ println()
+ }
+
+ def main(args: Array[String]): Unit = {
+ testPermutations1(1, Stream(1))
+ testPermutations2(1, List(1))
+
+ testPermutations1(2, Stream(1, 2))
+ testPermutations2(2, List(1, 2))
+
+ testPermutations1(2, Stream(2, 1))
+ testPermutations2(2, List(2, 1))
+
+ testPermutations1(3, Stream(1, 2, 3))
+ testPermutations2(3, List(1, 2, 3))
+
+ testPermutations1(3, Stream(1, 3, 2))
+ testPermutations2(3, List(1, 3, 2))
+
+ testPermutations1(3, Stream(2, 1, 3))
+ testPermutations2(3, List(2, 1, 3))
+
+ testPermutations1(3, Stream(2, 3, 1))
+ testPermutations2(3, List(2, 3, 1))
+
+ testPermutations1(3, Stream(3, 1, 2))
+ testPermutations2(3, List(3, 1, 2))
+
+ testPermutations1(3, Stream(3, 2, 1))
+ testPermutations2(3, List(3, 2, 1))
+ }
+}