1 files changed, 26 insertions, 0 deletions
diff --git a/tests/run/iterables.scala b/tests/run/iterables.scala
new file mode 100644
index 000000000..251722982
--- /dev/null
+++ b/tests/run/iterables.scala
@@ -0,0 +1,26 @@
+object Test extends dotty.runtime.LegacyApp {
+  class Test(n: Int) extends Iterable[Int] {
+    private var i = 0
+    def iterator = new Iterator[Int] {
+      def hasNext = i < n
+      def next =
+        if (hasNext) { val v = i; i += 1; v }
+        else throw new IndexOutOfBoundsException("empty iterator")
+    }
+  }
+  {
+    val x = new Test(10)
+    println(x.isEmpty)
+    println(x.mkString(","))
+  }
+  {
+    val x = new Test(10)
+    println(x.filter(_ > 4).mkString(","))
+  }
+  {
+    val x = new Test(10)
+    val y = x.partition(_ % 2 == 0)
+    println(y._1.mkString(","))
+    println(y._2.mkString(","))
+  }
+}