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059f296050
Add methods for creating, resolving and rejecting promises
using the V8 C++ API that does not require creation of extra
`resolve` and `reject` functions to `process.binding('util')`.
PR-URL: https://github.com/nodejs/node/pull/12442
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: William Kapke <william.kapke@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const {
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createPromise, promiseResolve, promiseReject
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} = process.binding('util');
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const { inspect } = require('util');
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common.crashOnUnhandledRejection();
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{
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const promise = createPromise();
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assert.strictEqual(inspect(promise), 'Promise { <pending> }');
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promiseResolve(promise, 42);
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assert.strictEqual(inspect(promise), 'Promise { 42 }');
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promise.then(common.mustCall((value) => {
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assert.strictEqual(value, 42);
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}));
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}
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{
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const promise = createPromise();
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const error = new Error('foobar');
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promiseReject(promise, error);
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assert(inspect(promise).includes('<rejected> Error: foobar'));
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promise.catch(common.mustCall((value) => {
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assert.strictEqual(value, error);
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}));
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}
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{
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const promise = createPromise();
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const error = new Error('foobar');
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promiseReject(promise, error);
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assert(inspect(promise).includes('<rejected> Error: foobar'));
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promiseResolve(promise, 42);
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assert(inspect(promise).includes('<rejected> Error: foobar'));
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promise.catch(common.mustCall((value) => {
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assert.strictEqual(value, error);
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}));
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}
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