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'use strict';
require('../common');
const assert = require('assert');
const cluster = require('cluster');
const OK = 2;
if (cluster.isMaster) {
const worker = cluster.fork();
worker.on('exit', function(code) {
assert.strictEqual(code, OK);
process.exit(0);
});
const result = worker.send('SOME MESSAGE');
assert.strictEqual(result, true);
return;
}
// Messages sent to a worker will be emitted on both the process object and the
// process.worker object.
assert(cluster.isWorker);
let sawProcess;
let sawWorker;
process.on('message', function(m) {
assert(!sawProcess);
sawProcess = true;
check(m);
});
cluster.worker.on('message', function(m) {
assert(!sawWorker);
sawWorker = true;
check(m);
});
const messages = [];
function check(m) {
messages.push(m);
if (messages.length < 2) return;
assert.deepStrictEqual(messages[0], messages[1]);
cluster.worker.once('error', function(e) {
assert.strictEqual(e, 'HI');
process.exit(OK);
});
process.emit('error', 'HI');
}