nodejs/test/pummel/test-net-write-callbacks.js

// 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
// 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,
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// USE OR OTHER DEALINGS IN THE SOFTWARE.

var common = require('../common');
var net = require('net');
var assert = require('assert');

var cbcount = 0;
var N = 500000;

var server = net.Server(function(socket) {
  socket.on('data', function(d) {
    console.error('got %d bytes', d.length);
  });

  socket.on('end', function() {
    console.error('end');
    socket.destroy();
    server.close();
  });
});

server.listen(common.PORT, function() {
  var client = net.createConnection(common.PORT);

  client.on('connect', function() {
    for (var i = 0; i < N; i++) {
      client.write('hello world', function() {
        cbcount++;
      });
    }
    client.end();
  });
});

process.on('exit', function() {
  assert.equal(N, cbcount);
});