1'use strict';
2const common = require('../common');
3const assert = require('assert');
4const fork = require('child_process').fork;
5
6if (process.argv[2] === 'child') {
7  process.send('ok', common.mustCall((err) => {
8    assert.strictEqual(err, null);
9  }));
10} else {
11  const child = fork(process.argv[1], ['child']);
12  child.on('message', common.mustCall((message) => {
13    assert.strictEqual(message, 'ok');
14  }));
15  child.on('exit', common.mustCall((exitCode, signalCode) => {
16    assert.strictEqual(exitCode, 0);
17    assert.strictEqual(signalCode, null);
18  }));
19}
20