Decision Coverage criteria(DC) for software testing

According to Decision Coverage criteria(DC) criteria, every decision must be covered. It means that each decision must have at least one True and one False value. 

Decision Coverage ensures that all of the possible branches from each and every decision point is executed at least once and it ensures that all reachable code is executed at least one time

decision coverage
decision coverage

Example of Decision Coverage

Output


Test Case
Value of X Expected Output Observed Output Decision Coverage Result
1 4 “x < 8” “x < 8” 50% Pass
2 15

 

Test Requirements

Decision of (x < 8) Decision Coverage
T 50%
F 50%
Total 100%

 

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