tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resolve-from-same-thenable.js (1017B)

      1 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-performpromiseany
      6 description: >
      7  Promise.any does not prevent resolve from being called multiple times.
      8 features: [Promise.any, arrow-function]
      9 includes: [promiseHelper.js]
     10 ---*/
     11 let callCount = 0;
     12 let sequence = [];
     13 
     14 function Constructor(executor) {
     15  function resolve(value) {
     16    callCount += 1;
     17    sequence.push(value);
     18  }
     19  executor(resolve, Test262Error.thrower);
     20 }
     21 Constructor.resolve = function(v) {
     22  return v;
     23 };
     24 
     25 let pResolve;
     26 let a = {
     27  then(resolver, rejector) {
     28    pResolve = resolver;
     29  }
     30 };
     31 
     32 assert.sameValue(callCount, 0, 'callCount before call to any()');
     33 
     34 Promise.any.call(Constructor, [a]);
     35 
     36 assert.sameValue(callCount, 0, 'callCount after call to any()');
     37 
     38 pResolve(1);
     39 pResolve(2);
     40 pResolve(3);
     41 
     42 assert.sameValue(callCount, 3, 'callCount after resolving a');
     43 assert.sameValue(sequence.length, 3);
     44 checkSequence(sequence);
     45 
     46 reportCompare(0, 0);