Business\Tests\HolidaysTest::testSerializeUnserialize PHP Метод

    public function testSerializeUnserialize()
    {
        $holidays = new Holidays([$holiday = new \DateTime('2015-05-11'), new DateRange(new \DateTime('2015-07-08'), new \DateTime('2015-07-21'))]);
        $serialized = serialize($holidays);
        $unserialized = unserialize($serialized);
        $this->assertTrue($unserialized->isHoliday($holiday));
        $this->assertTrue($unserialized->isHoliday(new \DateTime('2015-07-09 10:00')));
    }