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/testDirectProxyHas6.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,12 @@
     1.4 +/*
     1.5 + * Don't throw a type error if the trap reports an undefined property as
     1.6 + * non-present, regardless of extensibility.
     1.7 + */
     1.8 +var target = {};
     1.9 +Object.preventExtensions(target);
    1.10 +assertEq(
    1.11 +    'foo' in new Proxy(target, {
    1.12 +        has: function (target, name) {
    1.13 +            return false;
    1.14 +        }
    1.15 +    }), false);