The Tor Browser / file revision

 // |reftest| skip-if(!xulRuntime.shell)

 // -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

 // Any copyright is dedicated to the Public Domain.

 // http://creativecommons.org/licenses/publicdomain/

 function testRegExp(b) {

     var a = deserialize(serialize(b));

     assertEq(a === b, false);

     assertEq(Object.getPrototypeOf(a), RegExp.prototype);

     assertEq(Object.prototype.toString.call(a), "[object RegExp]");

     for (p in a)

         throw new Error("cloned RegExp should have no enumerable properties");

     assertEq(a.source, b.source);

     assertEq(a.global, b.global);

     assertEq(a.ignoreCase, b.ignoreCase);

     assertEq(a.multiline, b.multiline);

     assertEq(a.sticky, b.sticky);

     assertEq("expando" in a, false);

 }

 testRegExp(RegExp(""));

 testRegExp(/(?:)/);

 testRegExp(/^(.*)$/gimy);

 testRegExp(RegExp.prototype);

 var re = /\bx\b/gi;

 re.expando = true;

 testRegExp(re);

 re.__proto__ = {};

 testRegExp(re);

 reportCompare(0, 0, 'ok');