Probleme de boucle infini

do 
{  
    //choix de la nouvelle case:
        x = (rand() % 8);
        if ( ((bugi + imove[x])<= m) && ((bugi + imove[x])>= 0) && ((bugj + jmove[x])<= n) && ((bugj + jmove[x])>= 0) )
        {
            bugi = bugi + imove[x];
            bugj = bugj + jmove[x];
            tab[bugi-1][bugj-1]++;
            nbdeplacement++;
        }
        test = 0;
        for (i = 0; i <= m-1; i++)
        {
            for (j = 0; j <= n-1; j++)
            {
                if (tab[i][j] == 0)
                {
                      test = 1;
                }
            }
        }
} while (test = 1 || nbdeplacement <= 10);