React\Tests\Socket\ServerTest::testLoopWillEndWhenServerIsShutDownAfterSingleConnection PHP Метод

    public function testLoopWillEndWhenServerIsShutDownAfterSingleConnection()
    {
        $client = stream_socket_client('tcp://localhost:' . $this->port);
        // explicitly unset server because we only accept a single connection
        // and then already call shutdown()
        $server = $this->server;
        $this->server = null;
        $server->on('connection', function ($conn) use($server) {
            $conn->close();
            $server->shutdown();
        });
        $this->loop->run();
    }