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.

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

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