public function testFunctional()
{
$coll = new ListArray();
$coll[0] = 0;
$coll->add(1);
$coll->add(2);
$coll->add(3);
$coll->add(4);
$this->assertSame([0, 1, 2, 3, 4], $coll->toArray());
unset($coll[0]);
$this->assertSame([1, 2, 3, 4], $coll->toArray());
$coll->removeElement(2);
$this->assertSame([1, 3, 4], $coll->toArray());
$coll->remove(2);
$this->assertSame([1, 3], $coll->toArray());
$coll->remove(2);
$this->assertSame([1, 3], $coll->toArray());
}
/**
* @inheritdoc
*/
public function set($key, $value)
{
parent::set($key, $value);
usort($this->elements, [$this, 'compare']);
}