js/src/tests/test262/built-ins/Object/seal/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

   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);