tor-browser

The Tor Browser
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iterables-primitive.js (1140B)

      1 // Copyright (C) 2025 André Bargull. 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  Throws a TypeError when the "iterables" argument is not an object.
      8 info: |
      9  Iterator.zipKeyed ( iterables [ , options ] )
     10    1. If iterables is not an Object, throw a TypeError exception.
     11    ...
     12 features: [joint-iteration]
     13 ---*/
     14 
     15 var invalidIterables = [
     16  undefined,
     17  null,
     18  true,
     19  "",
     20  Symbol(),
     21  0,
     22  0n,
     23 ];
     24 
     25 // Throws when the "iterables" argument is absent.
     26 assert.throws(TypeError, function() {
     27  Iterator.zipKeyed();
     28 });
     29 
     30 // Throws a TypeError for invalid iterables values.
     31 for (var iterables of invalidIterables) {
     32  assert.throws(TypeError, function() {
     33    Iterator.zipKeyed(iterables);
     34  });
     35 }
     36 
     37 // Options argument not read when iterables is not an object.
     38 var badOptions = {
     39  get mode() {
     40    throw new Test262Error();
     41  },
     42  get padding() {
     43    throw new Test262Error();
     44  }
     45 };
     46 for (var iterables of invalidIterables) {
     47  assert.throws(TypeError, function() {
     48    Iterator.zipKeyed(iterables, badOptions);
     49  });
     50 }
     51 
     52 reportCompare(0, 0);