The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/proxy/testDirectProxyKeys8.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,20 @@
     1.4 +load(libdir + "asserts.js");
     1.5 +
     1.6 +/*
     1.7 + * Throw a TypeError if the trap skips an existing own enumerable property on a
     1.8 + * non-extensible object
     1.9 + */
    1.10 +var target = {};
    1.11 +Object.defineProperty(target, 'foo', {
    1.12 +    enumerable: true,
    1.13 +    configurable: true
    1.14 +});
    1.15 +Object.preventExtensions(target);
    1.16 +var caught = false;
    1.17 +assertThrowsInstanceOf(function () {
    1.18 +    Object.keys(new Proxy(target, {
    1.19 +        keys: function (target) {
    1.20 +            return [];
    1.21 +        }
    1.22 +    }));
    1.23 +}, TypeError);