1const assert = require('assert'); 2const debug = require('util').debuglog('test'); 3 4function onmessage(m) { 5 debug('CHILD got message:', m); 6 assert.ok(m.hello); 7 process.removeListener('message', onmessage); 8} 9 10process.on('message', onmessage); 11process.send({ foo: 'bar' }); 12