Purpose of testing

Testing :

A review of the behavior of a program by executing on sample data sets.
Testing comprises of set of activities to detect defects in a produced material.

To discover & correct defects
To detect defects early & to reduce cost of defect fixing
To avoid user detecting problems
To make sure that product works as users expected it to.



To discover and correct defects.

• To detect defects early and to reduce cost of defect fixing.
• To guarantee that product works as user expected it to.
• To avoid user detecting problems.