/**
* Ensures that setExtension() returns expected value
*
* @return void
*/
public function testSetExtension()
{
$validator = new File\ExcludeExtension('mo');
$validator->setExtension('gif');
$this->assertEquals(array('gif'), $validator->getExtension());
$validator->setExtension('jpg, mo');
$this->assertEquals(array('jpg', 'mo'), $validator->getExtension());
$validator->setExtension(array('zip', 'ti'));
$this->assertEquals(array('zip', 'ti'), $validator->getExtension());
}
