public function testArraysCanBeAdded()
 {
     $list = new Swift_RecipientList();
     $list->addTo("a@a");
     $list->addTo(array("b@b", "a@a", "c@c"));
     $list->addTo(array(new Swift_Address("d@d", "D"), "e@e"), "E");
     $this->assertEqual(array("a@a", "b@b", "c@c", "d@d", "e@e"), array_keys($list->getTo()));
 }
 /**
  * Get an array of To addresses
  * This currently returns an array of Swift_Address objects and may be simplified to an array of strings in later versions
  * @return array
  */
 public function getToAddresses()
 {
     return $this->recipients->getTo();
 }