test262/test/built-ins/Promise/withResolvers/ctx-ctor.js

17 lines
497 B
JavaScript

// Copyright (C) 2023 Peter Klecha. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Promise.withResolvers produces instances of the receiver
esid: sec-promise.withresolvers
features: [promise-with-resolvers]
---*/
class SubPromise extends Promise {}
var instance = Promise.withResolvers.call(SubPromise);
assert.sameValue(instance.promise.constructor, SubPromise);
assert.sameValue(instance.promise instanceof SubPromise, true);