'use strict'; const common = require('../common'); const assert = require('assert'); const { Worker } = require('worker_threads'); const w = new Worker(` require('worker_threads').parentPort.postMessage(performance.timeOrigin); `, { eval: true }); w.on('message', common.mustCall((timeOrigin) => { // PerformanceNodeTiming exposes process milestones so the // `performance.timeOrigin` in the `worker_threads.Worker` must be the start // time of the process. assert.strictEqual(timeOrigin, performance.timeOrigin); })); w.on('exit', common.mustCall((code) => { assert.strictEqual(code, 0); }));