public function test_adds_rewrite_rules()
 {
     $this->set_permalink_structure('/%postname%');
     /* @var WP_Rewrite $wp_rewrite */
     global $wp_rewrite;
     $post_type = rand_str();
     $post_type_object = new WP_Post_Type($post_type, array('public' => true, 'rewrite' => true));
     $post_type_object->add_rewrite_rules();
     $rewrite_tags = $wp_rewrite->rewritecode;
     $post_type_object->remove_rewrite_rules();
     $rewrite_tags_after = $wp_rewrite->rewritecode;
     $this->assertTrue(false !== array_search("%{$post_type}%", $rewrite_tags));
     $this->assertFalse(array_search("%{$post_type}%", $rewrite_tags_after));
 }