tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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prop-desc.js (848B)


      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 es6id: 25.4.4.6
      5 description: Promise `Symbol.species` property
      6 info: |
      7    Promise[@@species] is an accessor property whose set accessor function is
      8    undefined.
      9 
     10    ES6 Section 17:
     11 
     12    Every accessor property described in clauses 18 through 26 and in Annex B.2
     13    has the attributes {[[Enumerable]]: false, [[Configurable]]: true } unless
     14    otherwise specified.
     15 features: [Symbol.species]
     16 includes: [propertyHelper.js]
     17 ---*/
     18 
     19 var desc = Object.getOwnPropertyDescriptor(Promise, Symbol.species);
     20 
     21 assert.sameValue(desc.set, undefined);
     22 assert.sameValue(typeof desc.get, 'function');
     23 
     24 verifyNotEnumerable(Promise, Symbol.species);
     25 verifyConfigurable(Promise, Symbol.species);
     26 
     27 reportCompare(0, 0);