Testing Models


There are various models used in testing software like Waterfall model, V Model, Fish Model, Prototype Model, Evolutionary Model, Spiral Model, Incremental Model etc. Some of the models are covered in detail for a better understanding of reader.

Waterfall Model

  • Waterfall model is called so as its approach is a steady flow downwards like a waterfall.

  • This model is sequential execution of processes where one phase begins only after the pre phase is over.

Fig: Stages in waterfall model with their output marked in bullet.

Table: Waterfall model’s merits and demerits


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