/**
* @covers CollectionType\Collection\CollectionAbstract::getDifference
*/
public function testGetDifferenceWhenContainAllValues()
{
$valueA = 'A';
$this->dummyType->isValid($valueA)->willReturn(true);
$valueB = 'B';
$this->dummyType->isValid($valueB)->willReturn(true);
$valueC = 'C';
$this->dummyType->isValid($valueC)->willReturn(true);
$someCollection = clone $this->collection;
$someCollection->add($valueA);
$someCollection->add($valueB);
$someCollection->add($valueC);
$this->collection->add($valueA);
$this->collection->add($valueB);
$this->collection->add($valueC);
$result = $this->collection->getDifference($someCollection);
$this->assertEquals([], $result->getAll());
}
