/**
* @dataProvider dataProviderForAddMulti
*/
public function testAddMulti(array $A, array $x, array $R)
{
$setA = new Set($A);
$setR = new Set($R);
$setA->addMulti($x);
$this->assertEquals($setR, $setA);
$this->assertEquals($setR->asArray(), $setA->asArray());
}