Creating
seamless, bug-free computer software in one go is virtually
impossible without software testing. In fact, a National Institute of
Standards & Technology (NIST) study said that about 25 to 90
percent of the budget for software development is usually spent on
testing alone. That said, even software tests can encounter problems
that prevent them from detecting and fixing software bugs, thus
affecting the performance of software-reliant systems.
ome
software tests are designed to run in only one environment or
platform instead of several simply because it can be time-consuming
to create a separate test for each of them. This results in the
creation of a program that, for example, runs perfectly on Windows
but can’t function at all a Linux platform. With the help of
automated
testing, software tests can be generated for multiple platforms
with ease.
Software
tests can even be designed around a specific version of a computer
language, rather than taking multiple versions of the language into
consideration. For example, COBOL is a computer language primarily
designed for business use and has been around since the 1960s. Since
that time, though, it has spawned multiple versions and undergone a
series of updates, thus becoming an object-oriented software language
in 2002. A manual test may work only with 2002 versions of the
language, while an automated test can be adapted to work on older
versions, no matter how obsolete they are.
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