public function test_get_and_set_server_global()
{
$request = new HttpRequest();
$global = $request->getServerGlobal();
$this->assertTrue($global instanceof ISuperGlobal);
$_SERVER['foo'] = 'bar';
$this->assertEquals('bar', $global->get('foo'));
$global = new ServerGlobal();
$request->setServerGlobal($global);
$this->assertTrue($global === $request->getServerGlobal());
}