tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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invoke-then-get-error-reject.js (1199B)

      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 description: >
      6  Error thrown when accessing the instance's `then` method (rejecting Promise)
      7 esid: sec-performpromiseall
      8 info: |
      9    11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
     10    12. If result is an abrupt completion,
     11        a. If iteratorRecord.[[done]] is false, let result be
     12           IteratorClose(iterator, result).
     13        b. IfAbruptRejectPromise(result, promiseCapability).
     14 
     15    [...]
     16 
     17    25.4.4.1.1 Runtime Semantics: PerformPromiseAll
     18 
     19    [...]
     20    6. Repeat
     21        [...]
     22        r. Let result be Invoke(nextPromise, "then", «resolveElement,
     23           resultCapability.[[Reject]]»).
     24        s. ReturnIfAbrupt(result).
     25 flags: [async]
     26 ---*/
     27 
     28 var promise = new Promise(function() {});
     29 var error = new Test262Error();
     30 
     31 Object.defineProperty(promise, 'then', {
     32  get: function() {
     33    throw error;
     34  }
     35 });
     36 
     37 Promise.all([promise]).then(function() {
     38  throw new Test262Error('The promise should be rejected');
     39 }, function(reason) {
     40  assert.sameValue(reason, error);
     41 }).then($DONE, $DONE);