public function increment(UnitTester $I)
{
$I->wantTo('Increment counter by using Memcache as cache backend');
$key = 'increment';
$cache = new Memcache(new Data(['lifetime' => 20]), ['host' => TEST_MC_HOST, 'port' => TEST_MC_PORT]);
$I->dontSeeInMemcached($key);
$I->haveInMemcached($key, 1);
$I->assertEquals(2, $cache->increment($key));
$I->seeInMemcached($key, 2);
$I->assertEquals(4, $cache->increment($key, 2));
$I->seeInMemcached($key, 4);
$I->assertEquals(14, $cache->increment($key, 10));
$I->seeInMemcached($key, 14);
$I->clearMemcache();
}
