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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');
function pingPongTest(host, on_complete) {  const N = 100;  const DELAY = 1;  let count = 0;  let client_ended = false;
  const server = net.createServer({ allowHalfOpen: true }, function(socket) {    socket.setEncoding('utf8');
    socket.on('data', function(data) {      console.log(data);      assert.strictEqual(data, 'PING');      assert.strictEqual(socket.readyState, 'open');      assert.strictEqual(count <= N, true);      setTimeout(function() {        assert.strictEqual(socket.readyState, 'open');        socket.write('PONG');      }, DELAY);    });
    socket.on('timeout', function() {      console.error('server-side timeout!!');      assert.strictEqual(false, true);    });
    socket.on('end', function() {      console.log('server-side socket EOF');      assert.strictEqual(socket.readyState, 'writeOnly');      socket.end();    });
    socket.on('close', function(had_error) {      console.log('server-side socket.end');      assert.strictEqual(had_error, false);      assert.strictEqual(socket.readyState, 'closed');      socket.server.close();    });  });
  server.listen(0, host, common.mustCall(function() {    const client = net.createConnection(server.address().port, host);
    client.setEncoding('utf8');
    client.on('connect', function() {      assert.strictEqual(client.readyState, 'open');      client.write('PING');    });
    client.on('data', function(data) {      console.log(data);      assert.strictEqual(data, 'PONG');      assert.strictEqual(client.readyState, 'open');
      setTimeout(function() {        assert.strictEqual(client.readyState, 'open');        if (count++ < N) {          client.write('PING');        } else {          console.log('closing client');          client.end();          client_ended = true;        }      }, DELAY);    });
    client.on('timeout', function() {      console.error('client-side timeout!!');      assert.strictEqual(false, true);    });
    client.on('close', common.mustCall(function() {      console.log('client.end');      assert.strictEqual(count, N + 1);      assert.ok(client_ended);      if (on_complete) on_complete();    }));  }));}
pingPongTest();