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 returns a non-configurable descriptor for a
5 * non-existent property
6 */
7 assertThrowsInstanceOf(function () {
8 Object.getOwnPropertyDescriptor(new Proxy({}, {
9 getOwnPropertyDescriptor: function (target, name) {
10 return {
11 configurable: false
12 };
13 }
14 }), 'foo');
15 }, TypeError);