tor-browser

The Tor Browser
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iterables-iteration-inherited.js (708B)

      1 // Copyright (C) 2025 Kevin Gibbons. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-iterator.zipkeyed
      6 description: >
      7  Inherited properties are skipped in "iterables" iteration.
      8 includes: [compareArray.js]
      9 features: [joint-iteration]
     10 ---*/
     11 
     12 var parent = {
     13  get a() {
     14    throw new Test262Error("inherited properties should not be examined");
     15  },
     16 }
     17 
     18 var iterables = {
     19  __proto__: parent,
     20  b: ['value for b'],
     21 };
     22 
     23 var result = Array.from(Iterator.zipKeyed(iterables));
     24 
     25 assert.sameValue(result.length, 1);
     26 assert.compareArray(Object.keys(result[0]), ["b"]);
     27 assert.compareArray(Object.values(result[0]), ["value for b"]);
     28 
     29 reportCompare(0, 0);