public function testArray()
{
$this->assertSame([1], call_user_func(array_, 1));
$this->assertSame([1], call_user_func(array_, 1));
$object = new \StdClass();
$object->hello = 'world';
$object->answer = 42;
$this->assertSame(array('hello' => 'world', 'answer' => 42), call_user_func(array_, $object));
}