/**
* @param Set $other
* A set of items to union with this set
*
* @return Set
* A new set which contains only items in this
* Set and the given Set.
*
* @suppress PhanUnreferencedMethod
*/
public function union(Set $other) : Set
{
$set = new Set();
$set->addAll($this);
$set->addAll($other);
return $set;
}
public function testAddAll()
{
$set1 = new Set(['lol']);
$set2 = new Set(['foo']);
$set1->addAll($set2);
$set2->addAll($set1);
$this->assertTrue($set1->equals($set2));
}
public function testAddAllNoDuplicates()
{
$this->setExpectedException('\\InvalidArgumentException');
$this->object->add($this->items['alpha']);
$set = new TreeSet();
$set->add($this->items['alpha']);
$set->add($this->items['bravo']);
$set->add($this->items['charlie']);
$this->object->addAll($set);
}