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/extensibility-02.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + * Contributor:
     1.8 + *   Jeff Walden <jwalden+code@mit.edu>
     1.9 + */
    1.10 +
    1.11 +var gTestfile = '15.2.3.4-01.js';
    1.12 +//-----------------------------------------------------------------------------
    1.13 +var BUGNUMBER = 492849;
    1.14 +var summary = 'ES5: Implement Object.preventExtensions, Object.isExtensible';
    1.15 +
    1.16 +print(BUGNUMBER + ": " + summary);
    1.17 +
    1.18 +/**************
    1.19 + * BEGIN TEST *
    1.20 + **************/
    1.21 +
    1.22 +assertEq(typeof Object.isExtensible, "function");
    1.23 +assertEq(Object.isExtensible.length, 1);
    1.24 +
    1.25 +var slowArray = [1, 2, 3];
    1.26 +slowArray.slow = 5;
    1.27 +var objs =
    1.28 +  [{}, { 1: 2 }, { a: 3 }, [], [1], [, 1], slowArray, function a(){}, /a/];
    1.29 +
    1.30 +for (var i = 0, sz = objs.length; i < sz; i++)
    1.31 +{
    1.32 +  var o = objs[i];
    1.33 +  assertEq(Object.isExtensible(o), true, "object " + i + " not extensible?");
    1.34 +
    1.35 +  var o2 = Object.preventExtensions(o);
    1.36 +  assertEq(o, o2);
    1.37 +
    1.38 +  assertEq(Object.isExtensible(o), false, "object " + i + " is extensible?");
    1.39 +}
    1.40 +
    1.41 +/******************************************************************************/
    1.42 +
    1.43 +reportCompare(true, true);
    1.44 +
    1.45 +print("All tests passed!");