Cviebrock\EloquentSluggable\Tests\UniqueTests::testUnique PHP Method

    public function testUnique()
    {
        for ($i = 0; $i < 20; $i++) {
            $post = Post::create(['title' => 'A post title']);
            if ($i == 0) {
                $this->assertEquals('a-post-title', $post->slug);
            } else {
                $this->assertEquals('a-post-title-' . $i, $post->slug);
            }
        }
    }