New stdlib generators

libraries/stdlib/test/collections/IteratorsTest.kt

@@ -0,0 +1,15 @@
+package test.collections
+
+import kotlin.test.*
+import org.junit.Test as test
+
+class IteratorsTest {
+    test fun iterationOverIterator() {
+        val c = arrayListOf(0, 1, 2, 3, 4, 5)
+        var s = ""
+        for (i in c.iterator()) {
+            s = s + i.toString()
+        }
+        assertEquals("012345", s)
+    }
+}