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/testDirectProxyValidateProperty1.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,19 @@
     1.4 +load(libdir + "asserts.js");
     1.5 +
     1.6 +/*
     1.7 + * Throw a TypeError if the current descriptor is non-configurable and the trap
     1.8 + * returns a configurable descriptor
     1.9 + */
    1.10 +var target = {};
    1.11 +Object.defineProperty(target, 'foo', {
    1.12 +    configurable: false
    1.13 +});
    1.14 +assertThrowsInstanceOf(function () {
    1.15 +    Object.getOwnPropertyDescriptor(Proxy(target, {
    1.16 +        getOwnPropertyDescriptor: function (target, name) {
    1.17 +            return {
    1.18 +                configurable: true
    1.19 +            };
    1.20 +        }
    1.21 +    }), 'foo');
    1.22 +}, TypeError);