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| Current File : //home/ubuntu/node-v16.18.1/test/parallel/test-net-persistent-ref-unref.js |
// 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((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', () => {
assert.strictEqual(refCount, 0);
echoServer.close();
});
});
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