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/testDirectProxyHasOwn4.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 trap reports an existing own property as
     1.8 + * non-existent on a non-extensible object
     1.9 + */
    1.10 +var target = {};
    1.11 +Object.defineProperty(target, 'foo', {
    1.12 +    configurable: true
    1.13 +});
    1.14 +Object.preventExtensions(target);
    1.15 +var caught = false;
    1.16 +assertThrowsInstanceOf(function () {
    1.17 +    ({}).hasOwnProperty.call(new Proxy(target, {
    1.18 +        hasOwn: function (target, name) {
    1.19 +            return false;
    1.20 +        }
    1.21 +    }), 'foo');
    1.22 +}, TypeError);