CacheTest::testDataFileCacheDecrement PHP Method

    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));
    }