public function testsetValues_DataArrayPassedToMethod()
{
// create multiselect "Snacks" with three options
$this->form->addElement('multiselect')->setName('Snacks')->setOptions(array('cola' => 'Cola', 'popcorn' => 'Popcorn', 'peanuts' => 'Peanuts'));
// two options were selected (array is incomming via post)
$data = array('snacks' => array('cola', 'popcorn'));
$this->form->setValues($data);
$snacks_array = $this->form->getElementByName('Snacks')->getValue();
$this->assertIdentical(count($snacks_array), 2);
$this->assertIdentical($snacks_array[0], 'cola');
$this->assertIdentical($snacks_array[1], 'popcorn');
}