PHPSecureSessionTest\HashTest::testOpen PHP Method

    public function testOpen()
    {
        $this->assertTrue($this->secureHandler->open(sys_get_temp_dir(), ''));
        $handler = new ReflectionObject($this->secureHandler);
        $key = $handler->getProperty('key');
        $key->setAccessible(true);
        $this->assertEquals(64, mb_strlen($key->getValue($this->secureHandler), '8bit'));
    }