diff -r 000000000000 -r 6474c204b198 js/xpconnect/tests/unit/test_bug976151.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/xpconnect/tests/unit/test_bug976151.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Cu = Components.utils;
+function run_test() {
+  let unprivilegedSb = new Cu.Sandbox('http://www.example.com');
+  function checkCantWrap(val) {
+    try {
+      unprivilegedSb.prop = val;
+      do_check_true(false);
+    } catch (e) {
+      do_check_true(/denied|insecure|/.test(e));
+    }
+  }
+  let xoSb = new Cu.Sandbox('http://www.example.net');
+  let epSb = new Cu.Sandbox(['http://www.example.com']);
+  checkCantWrap(eval);
+  checkCantWrap(xoSb.eval);
+  checkCantWrap(epSb.eval);
+  checkCantWrap(Function);
+  checkCantWrap(xoSb.Function);
+  checkCantWrap(epSb.Function);
+}