/**
* Return an iterator over all Properties in this container which are not
* defined.
* @return \Iterator
*/
public function getUndefinedProperties()
{
return new \CallbackFilterIterator($this, function ($current) {
\assert($current instanceof Property);
return VCard::isSpecified($current->getName()) === false;
});
}
/**
* @depends testGetSpecifications
* @group default
*/
public function testIsSpecified()
{
$this->assertTrue(VCard::isSpecified('fn'));
}
