test 1: size:[10], src:[Lorem ipsum dolor sit amet consectetur adipiscing elit.], dest:[XXXXXXXXXXXX], result:[55], dest:[Lorem ips]
test 2: size:[10], src:[Lorem i], dest:[XXXXXXXXXXXX], result:[7], dest:[Lorem i]
test 3: size:[5], src:[Lorem ip], dest:[XXXXXXXX], result:[8], dest:[Lore]