public function testRenderAllFormelements()
{
$this->form->addElement('textarea');
$formelements_html_expected = CR . '<div class="formline"><textarea id="textarea-formelement-0"></textarea></div>' . CR;
$formelements_html = $this->form->renderAllFormelements();
$this->assertFalse(empty($formelements_html));
$this->assertEqual($formelements_html, $formelements_html_expected);
}