diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/collections/Array-of-generic-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/collections/Array-of-generic-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+// Array.of can be transplanted to other classes.
+
+load(libdir + "asserts.js");
+
+var hits = 0;
+function Bag() {
+    hits++;
+}
+Bag.of = Array.of;
+
+hits = 0;
+var actual = Bag.of("zero", "one");
+assertEq(hits, 1);
+
+var expected = new Bag;
+expected[0] = "zero";
+expected[1] = "one";
+expected.length = 2;
+assertDeepEq(actual, expected);
+
+hits = 0;
+actual = Array.of.call(Bag, "zero", "one");
+assertEq(hits, 1);
+assertDeepEq(actual, expected);
+