tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iter-step-err-reject.js (1447B)

      1 // |reftest| async
      2 // Copyright (C) 2019 Leo Balter. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 esid: sec-promise.allsettled
      7 description: >
      8  Error when advancing the provided iterable (rejecting promise)
      9 info: |
     10  Promise.allSettled ( iterable )
     11 
     12  6. Let result be PerformPromiseAllSettled(iteratorRecord, C, promiseCapability).
     13  7. If result is an abrupt completion, then
     14    a. If iteratorRecord.[[Done]] is false, set result to IteratorClose(iteratorRecord, result).
     15    b. IfAbruptRejectPromise(result, promiseCapability).
     16 
     17  Runtime Semantics: PerformPromiseAllSettled
     18 
     19  6. Repeat
     20    a. Let next be IteratorStep(iteratorRecord).
     21    b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
     22    c. ReturnIfAbrupt(next).
     23 features: [Promise.allSettled, Symbol.iterator]
     24 flags: [async]
     25 ---*/
     26 
     27 var iterStepThrows = {};
     28 var poisonedDone = {};
     29 var error = new Test262Error();
     30 Object.defineProperty(poisonedDone, 'done', {
     31  get() {
     32    throw error;
     33  }
     34 });
     35 Object.defineProperty(poisonedDone, 'value', {
     36  get() {
     37    $DONE('The `value` property should not be accessed.');
     38  }
     39 });
     40 
     41 iterStepThrows[Symbol.iterator] = function() {
     42  return {
     43    next() {
     44      return poisonedDone;
     45    }
     46  };
     47 };
     48 
     49 Promise.allSettled(iterStepThrows).then(function() {
     50  $DONE('The promise should be rejected.');
     51 }, function(reason) {
     52  assert.sameValue(reason, error);
     53 }).then($DONE, $DONE);