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// Flags: --expose-internals
'use strict';
require('../common');
const assert = require('assert');
const net = require('net');
const { internalBinding } = require('internal/test/binding');
const TCPWrap = internalBinding('tcp_wrap').TCP;
const echoServer = net.createServer(function(connection) {
connection.end();
});
echoServer.listen(0);
let callCount = 0;
const Socket = net.Socket;
const setNoDelay = TCPWrap.prototype.setNoDelay;
TCPWrap.prototype.setNoDelay = function(enable) {
setNoDelay.call(this, enable);
callCount++;
};
echoServer.on('listening', function() {
const sock1 = new Socket();
// setNoDelay before the handle is created
// there is probably a better way to test this
const s = sock1.setNoDelay();
assert.ok(s instanceof net.Socket);
sock1.connect(this.address().port);
sock1.on('end', function() {
assert.strictEqual(callCount, 1);
echoServer.close();
});
});