test/parallel/test-net-socket-write-error.js


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'use strict';

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

const server = net.createServer().listen(0, connectToServer);

function connectToServer() {
  const client = net.createConnection(this.address().port, () => {
    client.on('error', common.mustNotCall());
    assert.throws(() => {
      client.write(1337);
    }, {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError'
    });

    client.destroy();
  })
  .on('close', () => server.close());
}