public function testAllowedTypes()
{
$f = new File(__DIR__ . '/../tmp/access.txt', array('txt' => 'text/plain'));
$this->assertFalse($f->isAllowed('php'));
$this->assertTrue(is_array($f->getAllowedTypes()));
$f->setAllowedTypes(array('txt' => 'text/plain', 'php' => 'text/plain'));
$f->addAllowedTypes(array('sql' => 'text/plain'));
$this->assertTrue($f->isAllowed('php'));
}