tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iter-get-iter-val-err.js (944B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-array.from
      5 description: Error retrieving value of iterator result
      6 info: |
      7    [...]
      8    6. If usingIterator is not undefined, then
      9       [...]
     10       g. Repeat
     11          [...]
     12          v. Let nextValue be IteratorValue(next).
     13          vi. ReturnIfAbrupt(nextValue).
     14 features: [Symbol.iterator]
     15 ---*/
     16 
     17 var itemsPoisonedIteratorValue = {};
     18 var poisonedValue = {};
     19 Object.defineProperty(poisonedValue, 'value', {
     20  get: function() {
     21    throw new Test262Error();
     22  }
     23 });
     24 itemsPoisonedIteratorValue[Symbol.iterator] = function() {
     25  return {
     26    next: function() {
     27      return poisonedValue;
     28    }
     29  };
     30 };
     31 
     32 assert.throws(Test262Error, function() {
     33  Array.from(itemsPoisonedIteratorValue);
     34 }, 'Array.from(itemsPoisonedIteratorValue) throws a Test262Error exception');
     35 
     36 reportCompare(0, 0);