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/testDirectProxyDefineProperty4.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 defines a non-configurable property that does
     1.8 + * not exist on the target
     1.9 + */
    1.10 +assertThrowsInstanceOf(function () {
    1.11 +    Object.defineProperty(new Proxy({}, {
    1.12 +        defineProperty: function (target, name, desc) {
    1.13 +            return true;
    1.14 +        }
    1.15 +    }), 'foo', {
    1.16 +        configurable: false
    1.17 +    });
    1.18 +}, TypeError);