function testExecute()
{
$f1 = new Filter1();
$f2 = new Filter2();
$fc = new \Hiano\Filter\FilterChain(function () {
Vars::$callback_executed = TRUE;
});
$fc->addFilter($f1);
$fc->addFilter($f2);
$fc->execute();
$this->assertEquals(TRUE, Vars::$f1_executed);
$this->assertEquals(TRUE, Vars::$f2_executed);
$this->assertEquals(TRUE, Vars::$callback_executed);
}
