Data flow coverage

Data flow coverage is a measure of the extent to which data flows within a system or application are exercised during testing. It is used to determine how thoroughly the system or application has been tested and to identify any areas that may have been missed.

Data flow coverage can be measured in a number of different ways, including:

Statement coverage: This measures the extent to which every statement in the system or application has been executed at least once during testing.

Branch coverage: This measures the extent to which every branch in the system or application has been executed at least once during testing.

Condition coverage: This measures the extent to which every condition in the system or application has been evaluated, both true and false, at least once during testing.

Overall, data flow coverage is an important measure of the thoroughness of testing and is used to identify any areas of the system or application that may have been missed. It is an essential tool for improving the quality and reliability of systems and applications.


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