/**
* Check adding multiple items are added and removed correctly.
*/
public function testArrayAccessWithCustomKeys()
{
$collection = new Collection();
$item1 = ['hello' => 'hi'];
$item2 = ['hello' => 'hey'];
$collection->setKey('hello');
$this->assertFalse(isset($collection['hi']));
$collection->add($item1);
$collection->add($item2);
$this->assertTrue(isset($collection['hi']));
$this->assertSame($item1, $collection['hi']);
$this->assertTrue(isset($collection['hey']));
$this->assertSame($item2, $collection['hey']);
unset($collection['hi']);
$this->assertFalse(isset($collection['hi']));
unset($collection['hey']);
$this->assertFalse(isset($collection['hi']));
$this->assertSame([], $collection->all());
}
