Test programs

tests

1.txt

var a := 1; a := a+1

2.txt

const n = 5;
var a := 0;
var b := 1;
while n > a do {b := 2*b; a := a+1}

3.txt

var a:=0;
a:=a+1;
a:=a-2;
a:=a*3