text: var common = require('../common');
  var assert = require('assert');
  var cluster = require('cluster');
  
  if (cluster.isWorker) {
    var http = require('http');
    http.Server(function() {
  
    }).listen(common.PORT, '127.0.0.1');
  
    cluster.worker.on('disconnect', function() {
      process.exit(42);
    });
  
  } else if (cluster.isMaster) {
  
    var checks = {
      cluster: {
        emitDisconnect: false,
        emitExit: false,
        callback: false
      },
      worker: {
        emitDisconnect: false,
        emitDisconnectInsideWorker: false,
        emitExit: false,
        state: false,
        suicideMode: false,
        died: false
      }
    };
  
    // helper function to check if a process is alive
    var alive = function(pid) {
      try {
        process.kill(pid, 0);
        return true;
      } catch (e) {
        return false;
      }
    };
  
    // start worker
    var worker = cluster.fork();
  
    // Disconnect worker when it is ready
    worker.once('listening', function() {
      worker.disconnect();
    });
  
    // Check cluster events
    cluster.once('disconnect', function() {
      checks.cluster.emitDisconnect = true;
    });
    cluster.once('exit', function() {
      checks.cluster.emitExit = true;
    });
  
    // Check worker events and properties
    worker.once('disconnect', function() {
      checks.worker.emitDisconnect = true;
      checks.worker.suicideMode = worker.suicide;
      checks.worker.state = worker.state;
    });
  
    // Check that the worker died
    worker.once('exit', function(code) {
      checks.worker.emitExit = true;
      checks.worker.died = !alive(worker.process.pid);
      checks.worker.emitDisconnectInsideWorker = code === 42;
  
      process.nextTick(function() {
        process.exit(0);
      });
    });
  
    process.once('exit', function() {
  
      var w = checks.worker;
      var c = checks.cluster;
  
      // events
      assert.ok(w.emitDisconnect, 'Disconnect event did not emit');
      assert.ok(w.emitDisconnectInsideWorker, 'Disconnect event did not emit inside worker');
      assert.ok(c.emitDisconnect, 'Disconnect event did not emit');
      assert.ok(w.emitExit, 'Exit event did not emit');
      assert.ok(c.emitExit, 'Exit event did not emit');
  
      // flags
      assert.equal(w.state, 'disconnected', 'The state property was not set');
      assert.equal(w.suicideMode, true, 'Suicide mode was not set');
  
      // is process alive
      assert.ok(w.died, 'The worker did not die');
    });
  }
  