tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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species-get-error.js (759B)

      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 /*---
      5 description: >
      6    Promise.race() does not retrieve `Symbol.species` property of the `this` value
      7 es6id: 25.4.4.3
      8 info: |
      9    1. Let C be the this value.
     10    2. If Type(C) is not Object, throw a TypeError exception.
     11    3. Let promiseCapability be ? NewPromiseCapability(C).
     12    ...
     13 features: [Symbol.species]
     14 ---*/
     15 
     16 function C(executor) {
     17  executor(function() {}, function() {});
     18 }
     19 Object.defineProperty(C, Symbol.species, {
     20  get() {
     21    throw new Test262Error("Getter for Symbol.species called");
     22  }
     23 });
     24 C.resolve = function() {
     25  throw new Test262Error();
     26 };
     27 
     28 Promise.race.call(C, []);
     29 
     30 reportCompare(0, 0);