Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 load(libdir + "asserts.js");
3 /*
4 * Throw a TypeError if the trap reports a new own property on a non-extensible
5 * object
6 */
7 var target = {};
8 Object.preventExtensions(target);
9 assertThrowsInstanceOf(function () {
10 ({}).hasOwnProperty.call(new Proxy(target, {
11 hasOwn: function (target, name) {
12 return true;
13 }
14 }), 'foo');
15 }, TypeError);