tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iter-cstm-ctor-err.js (784B)

      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: >
      6    Error creating object with custom constructor (traversed via iterator)
      7 info: |
      8    [...]
      9    6. If usingIterator is not undefined, then
     10       a. If IsConstructor(C) is true, then
     11          i. Let A be Construct(C).
     12       b. Else,
     13          i. Let A be ArrayCreate(0).
     14       c. ReturnIfAbrupt(A).
     15 features: [Symbol.iterator]
     16 ---*/
     17 
     18 var C = function() {
     19  throw new Test262Error();
     20 };
     21 var items = {};
     22 items[Symbol.iterator] = function() {};
     23 
     24 assert.throws(Test262Error, function() {
     25  Array.from.call(C, items);
     26 }, 'Array.from.call(C, items) throws a Test262Error exception');
     27 
     28 reportCompare(0, 0);