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 reports a non-configurable own property as
5 * non-existent
6 */
7 var target = {};
8 Object.defineProperty(target, 'foo', {
9 configurable: false
10 });
11 var caught = false;
12 assertThrowsInstanceOf(function () {
13 'foo' in new Proxy(target, {
14 has: function (target, name) {
15 return false;
16 }
17 });
18 }, TypeError);