tor-browser

The Tor Browser
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object-seal-configurable-attribute-of-own-data-property-of-o-is-set-from-true-to-false-and-other-attributes-of-the-property-are-unaltered.js (800B)

      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: >
      7    Object.seal - the [[Configurable]] attribute of own data property
      8    of 'O' is set from true to false and other attributes of the
      9    property are unaltered
     10 includes: [propertyHelper.js]
     11 ---*/
     12 
     13 var obj = {};
     14 
     15 Object.defineProperty(obj, "foo", {
     16  value: 10,
     17  writable: true,
     18  enumerable: true,
     19  configurable: true
     20 });
     21 var preCheck = Object.isExtensible(obj);
     22 Object.seal(obj);
     23 
     24 if (!preCheck) {
     25  throw new Test262Error('Expected preCheck to be true, actually ' + preCheck);
     26 }
     27 
     28 verifyProperty(obj, "foo", {
     29  value: 10,
     30  writable: true,
     31  enumerable: true,
     32  configurable: false,
     33 });
     34 
     35 reportCompare(0, 0);