Medusa\Tree\PersistentRedBlackTreeTest::shouldCameOutOrdered PHP Method

    public function shouldCameOutOrdered()
    {
        $lastKey = null;
        foreach ($this->createFromArray(range(1, 50)) as $key => $value) {
            if ($lastKey) {
                $this->assertLessThanOrEqual($key, $lastKey);
            }
            $lastKey = $key;
        }
    }