How Long Will Marijuana Stay In My System If It

How long will marijuana stay in my system if it is my first time smoking and it is 1 gram? I have a drug test coming up june, 9th and I smoked on april, 6th. Will it be out of my system by then? By the way I'm 19, I weigh 160, i'm 5"11, I'm very active and have a healthy diet. The test coming up is a laboratory test by the way..