The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/Object/proto-property-change-writability-set.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,56 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + * Contributors:
     1.8 + *   Gary Kwong
     1.9 + *   Jeff Walden
    1.10 + *   Jason Orendorff
    1.11 + */
    1.12 +
    1.13 +//-----------------------------------------------------------------------------
    1.14 +var BUGNUMBER = 713944;
    1.15 +var summary =
    1.16 +  "Don't assert anything about a shape from the property cache until it's " +
    1.17 +  "known the cache entry matches";
    1.18 +
    1.19 +print(BUGNUMBER + ": " + summary);
    1.20 +
    1.21 +/**************
    1.22 + * BEGIN TEST *
    1.23 + **************/
    1.24 +
    1.25 +var accDesc = { set: function() {} };
    1.26 +var dataDesc = { value: 3 };
    1.27 +
    1.28 +function f()
    1.29 +{
    1.30 +  propertyIsEnumerable = {};
    1.31 +}
    1.32 +function g()
    1.33 +{
    1.34 +  propertyIsEnumerable = {};
    1.35 +}
    1.36 +
    1.37 +Object.defineProperty(Object.prototype, "propertyIsEnumerable", accDesc);
    1.38 +f();
    1.39 +Object.defineProperty(Object.prototype, "propertyIsEnumerable", dataDesc);
    1.40 +assertEq(propertyIsEnumerable, 3);
    1.41 +f();
    1.42 +assertEq(propertyIsEnumerable, 3);
    1.43 +g();
    1.44 +assertEq(propertyIsEnumerable, 3);
    1.45 +
    1.46 +
    1.47 +
    1.48 +var a = { p1: 1, p2: 2 };
    1.49 +var b = Object.create(a);
    1.50 +Object.defineProperty(a, "p1", {set: function () {}});
    1.51 +for (var i = 0; i < 2; i++)
    1.52 +{
    1.53 +  b.p1 = {};
    1.54 +  Object.defineProperty(a, "p1", {value: 3});
    1.55 +}
    1.56 +assertEq(b.p1, 3);
    1.57 +assertEq(a.p1, 3);
    1.58 +
    1.59 +reportCompare(true, true);