Wed, 31 Dec 2014 06:55:50 +0100
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
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);