Question 4: Software Testing. Consider The Following Simple (And Nonsensical) Pseudocode Subroutine.

We Write Essays for Students

Tell us about your assignment and we will find the best writer for your paper

Get Help Now!

Whatever (in x, y; out z)

begin

x  <— x * 2;

if x > 0 then

y <— y + 200;

else

y <— 5 * y;

endif;

while x > y do

x <— x 10;

endwhile;

z <— y x;

end;

a. List and briefly discuss three goals of performing software testing. Why do we test software systems?

b. Describe briefly how you would apply Functional (Black Box) Testing to this subroutine. Why would you perform functional testing?

c. Describe briefly how you would apply Structural (White Box) Testing to this subroutine. Why would you perform structural testing?