public function testArrayable()
{
$collection = new Collection();
$collection[] = 1;
$collection[] = 2;
$collection[] = 3;
$this->assertEquals([1, 2, 3], $collection->toArray());
$collection1 = new Collection();
$collection1->fromArray([3, 4, 5]);
$collection2 = new Collection();
$collection2[] = 3;
$collection2[] = 4;
$collection2[] = 5;
$this->assertEquals($collection1, $collection2);
}
