public function testAddAllWithSomeValues()
{
$arrayList = new Map();
$arrayList->add(new Pair('key1', 'value1'))->add(new Pair('key2', 'value2'));
$secoundArrayList = new Map();
$secoundArrayList->add(new Pair('key3', 'value3'))->add(new Pair('key4', 'value4'));
$arrayList->addAll($secoundArrayList);
$this->assertEquals(['key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3', 'key4' => 'value4'], $arrayList->toArray());
}