/**
* @test
* @group metadata
* @group contactperson
*/
public function adding_an_email_address_returns_a_new_list_with_that_email_address_appended()
{
$initialEmailOne = new EmailAddress('*****@*****.**');
$initialEmailTwo = new EmailAddress('*****@*****.**');
$additionalEmail = new EmailAddress('*****@*****.**');
$list = new EmailAddressList(array($initialEmailOne, $initialEmailTwo));
$newList = $list->add($additionalEmail);
$this->assertNotSame($newList, $list, 'when adding an element to a list a new list must be returned');
$this->assertTrue($list->contains($initialEmailOne));
$this->assertTrue($list->contains($initialEmailTwo));
$this->assertFalse($list->contains($additionalEmail));
$this->assertTrue($newList->contains($initialEmailOne));
$this->assertTrue($newList->contains($initialEmailTwo));
$this->assertTrue($newList->contains($additionalEmail));
}
