test-dgram-send-queue-info.js

'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const cp = require('child_process');

const socket = dgram.createSocket('udp4');
assert.strictEqual(socket.getSendQueueSize(), 0);
assert.strictEqual(socket.getSendQueueCount(), 0);

const CODE = `
  const assert = require('assert');
  const dgram = require('dgram');
  const server = dgram.createSocket('udp4');
  const client = dgram.createSocket('udp4');
  server.bind(0, () => {
    client.connect(server.address().port, () => {
      const data = "hello";
      client.send(data);
      client.send(data);
      assert.strictEqual(client.getSendQueueSize(), data.length * 2);
      assert.strictEqual(client.getSendQueueCount(), 2);
      client.close();
      server.close();
    });
  });
`;

const proc = cp.spawn(process.execPath,
                      [ '--test-udp-no-try-send',
                        '-e', CODE ]);

proc.once('exit', common.mustCall((code) => {
  assert.strictEqual(code, 0);
}));