tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

iter-step-err-reject.js (1492B)

      1 // |reftest| async
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 esid: sec-promise.all
      7 description: >
      8  Error when advancing the provided iterable (rejecting promise)
      9 info: |
     10    11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
     11    12. If result is an abrupt completion,
     12        a. If iteratorRecord.[[done]] is false, let result be
     13           IteratorClose(iterator, result).
     14        b. IfAbruptRejectPromise(result, promiseCapability).
     15 
     16    [...]
     17 
     18    25.4.4.1.1 Runtime Semantics: PerformPromiseAll
     19 
     20    [...]
     21    6. Repeat
     22        a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
     23        b. If next is an abrupt completion, set iteratorRecord.[[done]] to
     24           true.
     25        c. ReturnIfAbrupt(next).
     26 features: [Symbol.iterator]
     27 flags: [async]
     28 ---*/
     29 
     30 var iterStepThrows = {};
     31 var poisonedDone = {};
     32 var error = new Test262Error();
     33 Object.defineProperty(poisonedDone, 'done', {
     34  get: function() {
     35    throw error;
     36  }
     37 });
     38 Object.defineProperty(poisonedDone, 'value', {
     39  get: function() {
     40    $DONE('The `value` property should not be accessed.');
     41  }
     42 });
     43 
     44 iterStepThrows[Symbol.iterator] = function() {
     45  return {
     46    next: function() {
     47      return poisonedDone;
     48    }
     49  };
     50 };
     51 
     52 Promise.all(iterStepThrows).then(function() {
     53  $DONE('The promise should be rejected.');
     54 }, function(reason) {
     55  assert.sameValue(reason, error);
     56 }).then($DONE, $DONE);