tor-browser

The Tor Browser
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getter-making-future-key-nonenumerable.js (751B)

      1 // Copyright (C) 2015 Jordan Harband. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-object.values
      6 description: Object.values does not see an element made non-enumerable by a getter that is hit during iteration
      7 author: Jordan Harband
      8 ---*/
      9 
     10 var bDeletesC = {
     11  a: 'A',
     12  get b() {
     13    Object.defineProperty(this, 'c', {
     14      enumerable: false
     15    });
     16    return 'B';
     17  },
     18  c: 'C'
     19 };
     20 
     21 var result = Object.values(bDeletesC);
     22 
     23 assert.sameValue(Array.isArray(result), true, 'result is an array');
     24 assert.sameValue(result.length, 2, 'result has 2 items');
     25 
     26 assert.sameValue(result[0], 'A', 'first value is "A"');
     27 assert.sameValue(result[1], 'B', 'second value is "B"');
     28 
     29 reportCompare(0, 0);