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