opensrs\Base::is_connected PHP Method

    public function is_connected()
    {
        return is_resource($this->_socket) ? true : false;
    }

 /**
  * Should return correct status of OpenSRS Base socket.
  */
 public function testIsConnected()
 {
     $base = new Base();
     // Should not be connected until we connect
     $this->assertFalse($base->is_connected());
     $this->invokeMethod($base, 'init_socket');
     // now we should be connected
     $this->assertTrue($base->is_connected());
 }