js/src/jit-test/tests/proxy/testDirectProxyHasOwn4.js@6474c204b198
js/src/jit-test/tests/proxy/testDirectProxyHasOwn4.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.
1 load(libdir + "asserts.js");
3 /*
4 * Throw a TypeError if the trap reports an existing own property as
5 * non-existent on a non-extensible object
6 */
7 var target = {};
8 Object.defineProperty(target, 'foo', {
9 configurable: true
10 });
11 Object.preventExtensions(target);
12 var caught = false;
13 assertThrowsInstanceOf(function () {
14 ({}).hasOwnProperty.call(new Proxy(target, {
15 hasOwn: function (target, name) {
16 return false;
17 }
18 }), 'foo');
19 }, TypeError);
