tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resolve-element-function-nonconstructor.js (970B)

      1 // Copyright (C) 2015 André Bargull. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 es6id: 25.4.4.1.2
      6 description: Promise.all Resolve Element functions are not constructors
      7 info: |
      8  17 ECMAScript Standard Built-in Objects:
      9    Built-in function objects that are not identified as constructors do not
     10    implement the [[Construct]] internal method unless otherwise specified
     11    in the description of a particular function.
     12 ---*/
     13 
     14 var resolveElementFunction;
     15 var thenable = {
     16  then: function(fulfill) {
     17    resolveElementFunction = fulfill;
     18  }
     19 };
     20 
     21 function NotPromise(executor) {
     22  executor(function() {}, function() {});
     23 }
     24 NotPromise.resolve = function(v) {
     25  return v;
     26 };
     27 Promise.all.call(NotPromise, [thenable]);
     28 
     29 assert.sameValue(Object.prototype.hasOwnProperty.call(resolveElementFunction, "prototype"), false);
     30 assert.throws(TypeError, function() {
     31  new resolveElementFunction();
     32 });
     33 
     34 reportCompare(0, 0);