xref: /third_party/node/test/parallel/test-dgram-send-empty-buffer.js (revision 1cb0ef41)

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

'use strict';
const common = require('../common');

const assert = require('assert');
const dgram = require('dgram');

const client = dgram.createSocket('udp4');

client.bind(0, common.mustCall(function() {
  const port = this.address().port;

  client.on('message', common.mustCall(function onMessage(buffer) {
    assert.strictEqual(buffer.length, 0);
    clearInterval(interval);
    client.close();
  }));

  const buf = Buffer.alloc(0);
  const interval = setInterval(function() {
    client.send(buf, 0, 0, port, '127.0.0.1', common.mustCall());
  }, 10);
}));