public function getFunctions()
{
$functions = $this->extension->getFunctions();
$this->assertCount(1, $functions);
/** @var \Twig_SimpleFunction $scrollDataBefore */
$scrollDataBefore = reset($functions);
$this->assertInstanceOf('Twig_SimpleFunction', $scrollDataBefore);
$this->assertEquals('oro_ui_scroll_data_before', $scrollDataBefore->getName());
$this->assertEquals([$this, 'onScrollDataBefore'], $scrollDataBefore->getCallable());
$this->assertTrue($scrollDataBefore->needsEnvironment());
}
