Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 load(libdir + "asserts.js");
3 /*
4 * Throw a TypeError if the trap defines a non-configurable property that does
5 * not exist on the target
6 */
7 assertThrowsInstanceOf(function () {
8 Object.defineProperty(new Proxy({}, {
9 defineProperty: function (target, name, desc) {
10 return true;
11 }
12 }), 'foo', {
13 configurable: false
14 });
15 }, TypeError);