test/parallel/test-net-socket-destroy-send.js


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'use strict';

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

const server = net.createServer();
server.listen(0, common.mustCall(function() {
  const port = server.address().port;
  const conn = net.createConnection(port);

  conn.on('connect', common.mustCall(function() {
    // Test destroy returns this, even on multiple calls when it short-circuits.
    assert.strictEqual(conn, conn.destroy().destroy());
    conn.on('error', common.mustCall(function(err) {
      assert.strictEqual(err.message, 'This socket is closed');
    }));
    conn.write(Buffer.from('kaboom'), common.mustCall(function(err) {
      assert.strictEqual(err.message, 'This socket is closed');
    }));
    server.close();
  }));
}));