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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
40 lines
1.0 KiB
JavaScript
40 lines
1.0 KiB
JavaScript
// Copyright 2023 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --js-promise-withresolvers --allow-natives-syntax
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const desc = Object.getOwnPropertyDescriptor(Promise, 'withResolvers');
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assertTrue(desc.configurable);
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assertTrue(desc.writable);
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assertFalse(desc.enumerable);
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assertEquals(Promise.withResolvers.name, 'withResolvers');
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assertEquals(Promise.withResolvers.length, 0);
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{
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let called = false;
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const {promise, resolve, reject} = Promise.withResolvers();
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promise.then(v => {
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assertEquals(v, 'resolved');
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called = true;
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});
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resolve('resolved');
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assertFalse(called);
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%PerformMicrotaskCheckpoint();
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assertTrue(called);
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}
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{
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let called = false;
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const {promise, resolve, reject} = Promise.withResolvers();
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promise.then(v => {}, v => {
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assertEquals(v, 'rejected');
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called = true;
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});
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reject('rejected');
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assertFalse(called);
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%PerformMicrotaskCheckpoint();
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assertTrue(called);
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}
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