public function testParams()
{
$param1 = new Node\Param('test1');
$param2 = new Node\Param('test2');
$param3 = new Node\Param('test3');
$node = $this->createFunctionBuilder('test')->addParam($param1)->addParams(array($param2, $param3))->getNode();
$this->assertEquals(new Stmt\Function_('test', array('params' => array($param1, $param2, $param3))), $node);
}