/**
* Ensures that addDirectory() returns expected value
*
* @return void
*/
public function testAddDirectory()
{
$validator = new File\Exists('temp');
$validator->addDirectory('gif');
$this->assertEquals('temp,gif', $validator->getDirectory());
$this->assertEquals(array('temp', 'gif'), $validator->getDirectory(true));
$validator->addDirectory('jpg, to');
$this->assertEquals('temp,gif,jpg,to', $validator->getDirectory());
$this->assertEquals(array('temp', 'gif', 'jpg', 'to'), $validator->getDirectory(true));
$validator->addDirectory(array('zip', 'ti'));
$this->assertEquals('temp,gif,jpg,to,zip,ti', $validator->getDirectory());
$this->assertEquals(array('temp', 'gif', 'jpg', 'to', 'zip', 'ti'), $validator->getDirectory(true));
$validator->addDirectory('');
$this->assertEquals('temp,gif,jpg,to,zip,ti', $validator->getDirectory());
$this->assertEquals(array('temp', 'gif', 'jpg', 'to', 'zip', 'ti'), $validator->getDirectory(true));
}
