tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resolve-element-function-length.js (1085B)

      1 // Copyright (C) 2019 Leo Balter. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-promise.allsettled-resolve-element-functions
      6 description: The `length` property of Promise.allSettled Resolve Element functions
      7 info: |
      8  The length property of a Promise.allSettled resolve element function is 1.
      9 
     10  17 ECMAScript Standard Built-in Objects:
     11    Unless otherwise specified, the length property of a built-in Function
     12    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     13    [[Configurable]]: true }.
     14 includes: [propertyHelper.js]
     15 features: [Promise.allSettled]
     16 ---*/
     17 
     18 var resolveElementFunction;
     19 var thenable = {
     20  then(fulfill) {
     21    resolveElementFunction = fulfill;
     22  }
     23 };
     24 
     25 function NotPromise(executor) {
     26  executor(function() {}, function() {});
     27 }
     28 NotPromise.resolve = function(v) {
     29  return v;
     30 };
     31 Promise.allSettled.call(NotPromise, [thenable]);
     32 
     33 verifyProperty(resolveElementFunction, 'length', {
     34  value: 1,
     35  enumerable: false,
     36  writable: false,
     37  configurable: true,
     38 });
     39 
     40 reportCompare(0, 0);