Opis\Colibri\Test\CommonTest::testClosureNested PHP Метод

    public function testClosureNested()
    {
        $o = function ($a) {
            // this should never happen
            if ($a === false) {
                return false;
            }
            $n = function ($b) {
                return !$b;
            };
            $ns = unserialize(serialize(new SerializableClosure($n)));
            return $ns(false);
        };
        $os = $this->s($o);
        $this->assertEquals(true, $os(true));
    }