tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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object-seal-the-extension-of-o-is-prevented-already.js (575B)

      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 - the extension of 'O' is prevented already
      7 ---*/
      8 
      9 var obj = {};
     10 
     11 obj.foo = 10; // default value of attributes: writable: true, configurable: true, enumerable: true
     12 var preCheck = Object.isExtensible(obj);
     13 Object.preventExtensions(obj);
     14 Object.seal(obj);
     15 
     16 assert(preCheck, 'preCheck !== true');
     17 assert(Object.isSealed(obj), 'Object.isSealed(obj) !== true');
     18 
     19 reportCompare(0, 0);