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/testDirectProxyGetOwnPropertyDescriptor9.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,15 @@
     1.4 +load(libdir + "asserts.js");
     1.5 +
     1.6 +/*
     1.7 + * Throw a TypeError if the trap returns a non-configurable descriptor for a
     1.8 + * non-existent property
     1.9 + */
    1.10 +assertThrowsInstanceOf(function () {
    1.11 +    Object.getOwnPropertyDescriptor(new Proxy({}, {
    1.12 +        getOwnPropertyDescriptor: function (target, name) {
    1.13 +            return {
    1.14 +                configurable: false
    1.15 +            };
    1.16 +        }
    1.17 +    }), 'foo');
    1.18 +}, TypeError);