reject-immed.js

// Copyright (C) 2026 Danial Asaria (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-performpromiseallkeyed
description: Rejecting from a synchronously rejected input promise
info: |
  PerformPromiseAllKeyed ( variant, promises, constructor, resultCapability, promiseResolve )

  ...
  6. For each element key of allKeys, do
    ...
    b. If desc is not undefined and desc.[[Enumerable]] is true, then
      ...
      8. If variant is all, then
        a. Let onRejected be resultCapability.[[Reject]].
      ...
      11. Perform ? Invoke(nextPromise, "then", « onFulfilled, onRejected »).
flags: [async]
features: [await-dictionary]
---*/

var error = new Test262Error();

var p = new Promise(function(_, reject) {
  reject(error);
});

Promise.allKeyed({ key: p })
  .then(function() {
    throw new Test262Error('The promise should not be fulfilled.');
  }, function(reason) {
    assert.sameValue(reason, error);
  }).then($DONE, $DONE);