test/parallel/test-worker-non-fatal-uncaught-exception.js

'use strict';
const common = require('../common');
const assert = require('assert');
const { Worker } = require('worker_threads');

// Check that `process._fatalException()` returns a boolean when run inside a
// worker.

// Do not use isMainThread so that this test itself can be run inside a Worker.
if (!process.env.HAS_STARTED_WORKER) {
  process.env.HAS_STARTED_WORKER = 1;
  const w = new Worker(__filename);
  w.on('exit', common.mustCall((code) => {
    assert.strictEqual(code, 0);
  }));
  return;
}

process.once('uncaughtException', () => {
  process.nextTick(() => {
    assert.strictEqual(res, true);
  });
});

const res = process._fatalException(new Error());