Cravings? Am I pregnant?

Na

I done a pregnancy test 6 days before my period was due, it was negative. But since I have developed sore boobs & just feel really strange. If your pregnant when do cravings set in? Yesterday I cried because there was no chocolate in the house, today I found myself eating an ice lolly I don’t even like 🤔 I’m sure I’m pregnant but my period isn’t due for another 2 days. I’m trying to hold out until the day that it’s due? Anyone else experienced anything similar?