TEST LEVELS:

Description

unit testing

a) Unit testing means that one and only one unit is tested. In OOSE, the unit is typically a class, block or service package

integration testing

b) verifies that the units are working together correctly.

system testing

c) end-user actions test the entire system

regression testing

d) done after changes were made, verifies that old functionality remains

operations testing

e) most common system test - only normal user mistakes are made, measures system reliability.

full scale test

f) most expensive test, parameters approach limit values, in the extreme known as stress testing.

performance /capacity test

g) measures the processing ability of the system.

overload test

h) tests the system to see how it handles load peaks, checks to see if a catastrophe would occur.

negative test

i) System is tested systematically and intentionally incorrectly, used for critical parts.

requirements test

j) tests that can be traced to the requirements specification. Explicitly checks requirements.

ergonomics test

k) is the interface consistent in a use case? Are the menus logical and readable? Messages visible?

user documentation testing

l) a type of ergonomic testing; tests system documentation: are manuals and system behaviors consistent?

acceptance testing

m) system is tested in its real environment by the people that ordered the system.

alpha test

n) another name for acceptance testing usually performed by those that ordered the system

beta test

o) done before the product is shipped and is a form of prerelease