tor-browser

The Tor Browser
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object-seal-inherited-data-properties-are-ignored.js (792B)

      1 // Copyright (c) 2012 Ecma International.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-setintegritylevel
      6 description: Object.seal - inherited data properties are ignored
      7 ---*/
      8 
      9 var proto = {};
     10 
     11 Object.defineProperty(proto, "Father", {
     12  value: 10,
     13  configurable: true
     14 });
     15 
     16 var ConstructFun = function() {};
     17 ConstructFun.prototype = proto;
     18 
     19 var child = new ConstructFun();
     20 var preCheck = Object.isExtensible(child);
     21 Object.seal(child);
     22 
     23 var beforeDeleted = proto.hasOwnProperty("Father");
     24 delete proto.Father;
     25 var afterDeleted = proto.hasOwnProperty("Father");
     26 
     27 assert(preCheck, 'preCheck !== true');
     28 assert(beforeDeleted, 'beforeDeleted !== true');
     29 assert.sameValue(afterDeleted, false, 'afterDeleted');
     30 
     31 reportCompare(0, 0);