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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// 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,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';const common = require('../common');const assert = require('assert');
const net = require('net');
// This test creates 20 connections to a server and sets the server's// maxConnections property to 10. The first 10 connections make it through// and the last 10 connections are rejected.
const N = 20;let closes = 0;const waits = [];
const server = net.createServer(common.mustCall(function(connection) {  connection.write('hello');  waits.push(function() { connection.end(); });}, N / 2));
server.listen(0, function() {  makeConnection(0);});
server.maxConnections = N / 2;

function makeConnection(index) {  const c = net.createConnection(server.address().port);  let gotData = false;
  c.on('connect', function() {    if (index + 1 < N) {      makeConnection(index + 1);    }
    c.on('close', function() {      console.error(`closed ${index}`);      closes++;
      if (closes < N / 2) {        assert.ok(          server.maxConnections <= index,          `${index} should not have been one of the first closed connections`        );      }
      if (closes === N / 2) {        let cb;        console.error('calling wait callback.');        while ((cb = waits.shift()) !== undefined) {          cb();        }        server.close();      }
      if (index < server.maxConnections) {        assert.strictEqual(gotData, true,                           `${index} didn't get data, but should have`);      } else {        assert.strictEqual(gotData, false,                           `${index} got data, but shouldn't have`);      }    });  });
  c.on('end', function() { c.end(); });
  c.on('data', function(b) {    gotData = true;    assert.ok(b.length > 0);  });
  c.on('error', function(e) {    // Retry if SmartOS and ECONNREFUSED. See    // https://github.com/nodejs/node/issues/2663.    if (common.isSunOS && (e.code === 'ECONNREFUSED')) {      c.connect(server.address().port);    }    console.error(`error ${index}: ${e}`);  });}

process.on('exit', function() {  assert.strictEqual(closes, N);});