// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');

const SENTINEL = 42;

// Workers forcibly exit when control channel is disconnected, if
// their .exitedAfterDisconnect flag isn't set
//
// test this by:
//
// 1 setup worker to wait a short time after disconnect, and exit
//   with a sentinel value
// 2 disconnect worker with cluster's disconnect, confirm sentinel
// 3 disconnect worker with child_process's disconnect, confirm
//   no sentinel value
if (cluster.isWorker) {
  process.on('disconnect', (msg) => {
    setTimeout(() => process.exit(SENTINEL), 10);
  });
  return;
}

checkUnforced();
checkForced();

function checkUnforced() {
  const worker = cluster.fork();
  worker
    .on('online', common.mustCall(() => worker.disconnect()))
    .on('exit', common.mustCall((status) => {
      assert.strictEqual(status, SENTINEL);
    }));
}

function checkForced() {
  const worker = cluster.fork();
  worker
    .on('online', common.mustCall(() => worker.process.disconnect()))
    .on('exit', common.mustCall((status) => assert.strictEqual(status, 0)));
}