Test Data Categorization Techniques

1. Equivalence Partitioning

Divide the input domain into classes of data for which test cases can be generated.

Attempting to uncover classes of errors.

An equivalence class represents a set of valid or invalid states An input condition is either a specific numeric value, range of values, a set of related values, or a boolean condition.

Equivalence classes can be defined by:

If an input condition specifies a range or a specific value, one valid and two invalid equivalence classes defined.
If an input condition specifies a boolean or a member of a set, one valid and one invalid equivalence classes defined.

Test cases for each input domain data item developed and executed.


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