tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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reject-ignored-immed.js (1482B)


      1 // |reftest| async
      2 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-promise.any
      6 description: >
      7    Resolved promises ignore rejections through immediate invocation of the
      8    provided resolving function
      9 info: |
     10  Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability).
     11 
     12  Runtime Semantics: PerformPromiseAny
     13 
     14  ...
     15  Let remainingElementsCount be a new Record { [[value]]: 1 }.
     16  ...
     17  8.d ...
     18    ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
     19    iii. If remainingElementsCount.[[value]] is 0,
     20      1. Let error be a newly created AggregateError object.
     21      2. Perform ! DefinePropertyOrThrow(error, "errors", Property Descriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: errors }).
     22      3. Return ThrowCompletion(error).
     23  ...
     24 
     25  Promise.any Reject Element Functions
     26  ...
     27  Let alreadyCalled be the value of F's [[AlreadyCalled]] internal slot.
     28  If alreadyCalled.[[value]] is true, return undefined.
     29  Set alreadyCalled.[[value]] to true.
     30  ...
     31 
     32 flags: [async]
     33 features: [Promise.any, arrow-function]
     34 ---*/
     35 
     36 let fulfiller = {
     37  then(resolve) {
     38    resolve();
     39  }
     40 };
     41 let lateRejector = {
     42  then(resolve, reject) {
     43    resolve();
     44    reject();
     45  }
     46 };
     47 
     48 Promise.any([fulfiller, lateRejector])
     49  .then(() => {
     50    $DONE();
     51  }, () => {
     52    $DONE('The promise should not be rejected.');
     53  });