js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 load(libdir + "asserts.js");
michael@0 2
michael@0 3 /*
michael@0 4 * Throw a TypeError if the current descriptor is non-configurable and the trap
michael@0 5 * returns a configurable descriptor
michael@0 6 */
michael@0 7 var target = {};
michael@0 8 Object.defineProperty(target, 'foo', {
michael@0 9 configurable: false
michael@0 10 });
michael@0 11 assertThrowsInstanceOf(function () {
michael@0 12 Object.getOwnPropertyDescriptor(Proxy(target, {
michael@0 13 getOwnPropertyDescriptor: function (target, name) {
michael@0 14 return {
michael@0 15 configurable: true
michael@0 16 };
michael@0 17 }
michael@0 18 }), 'foo');
michael@0 19 }, TypeError);

mercurial