abc(mNew)

factory abc
method mNew
    instance avar
    set avar to "a variable"
    set res1 = me(callDo)
    scummvmAssertEqual(res1, "a variable")
    me(setDo)
    scummvmAssertEqual(avar, 100)
    
method callDo
    set myvar = 0
    do("set myvar = avar")
    return myvar

method setDo
    do("set avar = 100")