'use strict'; const common = require('../common'); const assert = require('assert'); const timers = require('timers'); const { promisify } = require('util'); /* eslint-disable no-restricted-syntax */ const setTimeout = promisify(timers.setTimeout); const setImmediate = promisify(timers.setImmediate); { const promise = setTimeout(1); promise.then(common.mustCall((value) => { assert.strictEqual(value, undefined); })); } { const promise = setTimeout(1, 'foobar'); promise.then(common.mustCall((value) => { assert.strictEqual(value, 'foobar'); })); } { const promise = setImmediate(); promise.then(common.mustCall((value) => { assert.strictEqual(value, undefined); })); } { const promise = setImmediate('foobar'); promise.then(common.mustCall((value) => { assert.strictEqual(value, 'foobar'); })); }