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

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

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 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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