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'use strict';
require('../common');
const assert = require('assert');
const net = require('net');
const TCPWrap = process.binding('tcp_wrap').TCP;
const echoServer = net.createServer(function(conn) {
conn.end();
});
const ref = TCPWrap.prototype.ref;
const unref = TCPWrap.prototype.unref;
let refCount = 0;
TCPWrap.prototype.ref = function() {
ref.call(this);
refCount++;
assert.strictEqual(refCount, 0);
};
TCPWrap.prototype.unref = function() {
unref.call(this);
refCount--;
assert.strictEqual(refCount, -1);
};
echoServer.listen(0);
echoServer.on('listening', function() {
const sock = new net.Socket();
sock.unref();
sock.ref();
sock.connect(this.address().port);
sock.on('end', function() {
assert.strictEqual(refCount, 0);
echoServer.close();
});
});
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