The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_8_5/regress/regress-598176.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,27 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/*
     1.6 + * Any copyright is dedicated to the Public Domain.
     1.7 + * http://creativecommons.org/licenses/publicdomain/
     1.8 + */
     1.9 +
    1.10 +function make() {
    1.11 +  var r = {};
    1.12 +  r.desc = {get: function() {}};
    1.13 +  r.a = Object.defineProperty({}, "prop", r.desc);
    1.14 +  r.info = Object.getOwnPropertyDescriptor(r.a, "prop");
    1.15 +  return r;
    1.16 +}
    1.17 +
    1.18 +r1 = make();
    1.19 +assertEq(r1.desc.get, r1.info.get);
    1.20 +
    1.21 +// Distinct evaluations of an object literal make distinct methods.
    1.22 +r2 = make();
    1.23 +assertEq(r1.desc.get === r2.desc.get, false);
    1.24 +
    1.25 +r1.info.get.foo = 42;
    1.26 +
    1.27 +assertEq(r1.desc.get.hasOwnProperty('foo'), !r2.desc.get.hasOwnProperty('foo'));
    1.28 +assertEq(r1.info.get.hasOwnProperty('foo'), !r2.info.get.hasOwnProperty('foo'));
    1.29 +
    1.30 +reportCompare(0, 0, "ok");