js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.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 both the current descriptor and the descriptor returned
michael@0 5 * by the trap are accessor descriptors, the current descriptor is
michael@0 6 * non-configurable, and the descriptor returned by the trap has a different
michael@0 7 * setter.
michael@0 8 */
michael@0 9 var target = {};
michael@0 10 Object.defineProperty(target, 'foo', {
michael@0 11 set: function (value) {i
michael@0 12 target.foo = 'bar';
michael@0 13 },
michael@0 14 configurable: false
michael@0 15 });
michael@0 16 var caught = false;
michael@0 17 assertThrowsInstanceOf(function () {
michael@0 18 Object.getOwnPropertyDescriptor(new Proxy(target, {
michael@0 19 getOwnPropertyDescriptor: function (target, name) {
michael@0 20 return {
michael@0 21 set: function (value) {
michael@0 22 target.foo = 'baz';
michael@0 23 },
michael@0 24 configurable: false
michael@0 25 };
michael@0 26 }
michael@0 27 }), 'foo');
michael@0 28 }, TypeError);

mercurial