Bugs don’t
just exist in the wild—they reside in software programs, too. These
glitches causes a plethora of issues, from program crashes, to lost
data, or even rocket launch errors, as in the case of the European
Ariane 5.
That’s why
programmers have to test software before releasing or using it to
catch these virtual vermin. In general, they utilize three methods to
test a software in development: