public function testRenderBeginTag()
{
$writer = new THtmlWriter(self::$output);
$writer->addAttribute('type', 'text');
$writer->addAttribute('value', 'Prado');
$writer->addStyleAttribute('font-size', '1em');
$writer->renderBeginTag('input');
self::assertEquals('<input type="text" value="Prado" style="font-size:1em;" />', self::$output->flush());
}