function test_order_query()
{
$events = Test\Event::take(5);
$events[0]->set_meta(["hoge" => "hoge-1", "scheduled_on" => "2016-01-01"]);
$events[1]->set_meta(["hoge" => "hoge-2", "scheduled_on" => "2016-01-03"]);
$events[2]->set_meta(["hoge" => "hoge-3", "scheduled_on" => "2016-01-05"]);
$events[3]->set_meta(["hoge" => "hoge-4", "scheduled_on" => "2016-01-02"]);
$events[4]->set_meta(["hoge" => "hoge-5", "scheduled_on" => "2016-01-04"]);
$events = Test\Event::all(["orderby" => ["meta_value" => "desc"], "meta_key" => "scheduled_on"]);
$this->assertEquals("hoge-3", $events[0]->hoge);
$this->assertEquals("hoge-5", $events[1]->hoge);
$this->assertEquals("hoge-2", $events[2]->hoge);
$this->assertEquals("hoge-4", $events[3]->hoge);
$this->assertEquals("hoge-1", $events[4]->hoge);
$events = Test\Event::all("orderby=meta_value&order=asc&meta_key=scheduled_on");
$this->assertEquals("hoge-1", $events[0]->hoge);
$this->assertEquals("hoge-4", $events[1]->hoge);
$this->assertEquals("hoge-2", $events[2]->hoge);
$this->assertEquals("hoge-5", $events[3]->hoge);
$this->assertEquals("hoge-3", $events[4]->hoge);
}
