Thu, 15 Jan 2015 15:59:08 +0100
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 load(libdir + "asserts.js");
3 /*
4 * Throw a TypeError if the trap skips an existing own enumerable property on a
5 * non-extensible object
6 */
7 var target = {};
8 Object.defineProperty(target, 'foo', {
9 enumerable: true,
10 configurable: true
11 });
12 Object.preventExtensions(target);
13 var caught = false;
14 assertThrowsInstanceOf(function () {
15 Object.keys(new Proxy(target, {
16 keys: function (target) {
17 return [];
18 }
19 }));
20 }, TypeError);