CacheTest::testDataFileCacheIncrement PHP Method

    public function testDataFileCacheIncrement()
    {
        $frontCache = new Phalcon\Cache\Frontend\Data();
        $cache = new Phalcon\Cache\Backend\File($frontCache, array('cacheDir' => 'unit-tests/cache/'));
        $cache->delete('foo');
        $cache->save('foo', "1");
        $this->assertEquals(2, $cache->increment('foo'));
        $this->assertEquals($cache->get('foo'), 2);
        $this->assertEquals($cache->increment('foo', 5), 7);
    }