/**
     * @param array $collection
     * @param array $lists
     * @param array $mappers
     * @param boolean $allowDuplications
     */
    public function assertContainsCombinations($collection, array $lists, array $mappers, $allowDuplications = TRUE)
    {
        $mappers = array_map('callback', $mappers);
        $this->assertSame(count($lists), count($mappers), "Count of given lists equals to count of given mappers");

        $found = array_fill_keys(range(0, count($mappers)), array());
        foreach ($collection as $item) {
            foreach ($mappers as $i => $mapper) {
                $found[$i][] = $mapper($item);
            }
        }

        $combinations = array();

//      $counts = array_map('array_count_values', $found);
//      dump($counts);
    }


// použití



        $actions = array('access', 'view', 'edit', 'create', 'delete');
        $resources = array('identity', 'article', 'comment', 'thread');
        $this->assertContainsCombinations($permissions, array($actions, $resources),
                array(
                    function (BasePermission $permission) {
                        return $permission->getPrivilege()->getAction()->getName();
                    },
                    function (BasePermission $permission) {
                        return $permission->getPrivilege()->getResource()->getName();
                    }
                ),
                FALSE
            );