1'use strict'; 2const common = require('../common'); 3const { Worker } = require('worker_threads'); 4 5// Check that worker.unref() makes the 'exit' event not be emitted, if it is 6// the only thing we would otherwise be waiting for. 7 8// Use `setInterval()` to make sure the worker is alive until the end of the 9// event loop turn. 10const w = new Worker('setInterval(() => {}, 100);', { eval: true }); 11w.unref(); 12w.on('exit', common.mustNotCall()); 13