Software Test Design

Like test analysis, it is a relatively large piece of work. Unlike test analysis, however, the focus of test design is not to assimilate information created by others, but rather to implement procedures, techniques, and data sets that achieve the test’s objective(s).

The outputs of the test analysis phase are the foundation for test design. Each requirement or design construct has had at least one technique (a measurement, demonstration, or analysis) identified during test analysis that will validate or verify that requirement. The tester must now implement the intended technique.

Software test design, as a discipline, is an exercise in the prevention, detection, and elimination of bugs in software. Preventing bugs is the primary goal of software testing.

Diligent and competent test design prevents bugs from ever reaching the implementation stage. Test design, with its attendant test analysis foundation, is therefore the premiere weapon in the arsenal of developers and testers for limiting the cost associated with finding and fixing bugs.

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