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 // Return undefined if the trap returns undefined
2 var target = {};
3 Object.defineProperty(target, 'foo', {
4 configurable: true
5 });
6 assertEq(Object.getOwnPropertyDescriptor(new Proxy(target, {
7 getOwnPropertyDescriptor: function (target, name) {
8 return undefined;
9 }
10 }), 'foo'), undefined);