Positive test for erroneous input operation

Positive test for normal operation

Negative test for exceptional operation

Negative test /robustness test for catastrophic operation

test objectives, risks of testing and test approach

test approach and test objectives

risks of testing

test objectives

test closure

analysis and design

evaluation and report

implementation and execution

semi-automated

manual

automated

manual and automated/semi automated

Finding and fixing defects does not help if the system built is unusable and does not fulfill the users need and expectations.

Testing can show that defects are present , but can not prove that there are no defects

A small number of modules contain most of the defects

 If the same tests are repeated over and over again , eventually the same set of test cases will no longer find any new bugs

definition of requirements

component specification

functional system design

technical system design

corrective maintenance

adjective maintenance

perfective maintenance

adaptive maintenance