public function testDataFileCacheDecrement() { $frontCache = new Phalcon\Cache\Frontend\Data(); $cache = new Phalcon\Cache\Backend\File($frontCache, array('cacheDir' => 'unit-tests/cache/')); $cache->delete('foo'); $cache->save('foo', "100"); $this->assertEquals(99, $cache->decrement('foo')); $this->assertEquals(95, $cache->decrement('foo', 4)); }