diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/for-of/array-iterator-surfaces-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/for-of/array-iterator-surfaces-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// Superficial tests of the Array.prototype[@@iterator] builtin function and its workalikes.
+
+load(libdir + "iteration.js");
+
+var constructors = [Array, String, Uint8Array, Uint8ClampedArray];
+for (var c of constructors) {
+    assertEq(c.prototype[std_iterator].length, 0);
+    var desc = Object.getOwnPropertyDescriptor(c.prototype, std_iterator);
+    assertEq(desc.configurable, true);
+    assertEq(desc.enumerable, false);
+    assertEq(desc.writable, true);
+}