Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| shell-option(--enable-promise-allkeyed) skip-if(!Promise.allKeyed||!xulRuntime.shell) -- await-dictionary is not enabled unconditionally, requires shell-options
// 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-promise.allsettledkeyed
description: >
Gets the constructor's `resolve` method once and calls it for each enumerable key
info: |
Promise.allSettledKeyed ( promises )
...
3. Let promiseResolve be Completion(GetPromiseResolve(ctor)).
...
PerformPromiseAllKeyed ( variant, promises, ctor, resultCapability, promiseResolve )
...
5. For each element key of allKeys, do
...
b. If propertyDesc is not undefined and propertyDesc.[[Enumerable]] is true, then
...
iv. Let nextPromise be ? Call(promiseResolve, ctor, « propertyValue »).
features: [await-dictionary]
---*/
var originalResolve = Promise.resolve;
var getCount = 0;
var callCount = 0;
Object.defineProperty(Promise, "resolve", {
configurable: true,
get: function() {
getCount += 1;
return function() {
callCount += 1;
return originalResolve.apply(Promise, arguments);
};
}
});
var input = {
first: 1,
second: 2
};
Object.defineProperty(input, "hidden", {
value: 3,
enumerable: false
});
Promise.allSettledKeyed(input);
assert.sameValue(getCount, 1, "resolve getter called once");
assert.sameValue(callCount, 2, "resolve called once for each enumerable key");
reportCompare(0, 0);