White box covered in six common: statement coverage, decision coverage, condition coverage determination / coverage condition, a combination of coverage and path coverage
- statement covering
a definition:
| Program each statement can be executed at least once |
Second, characteristics:
| 1, a statement is executed once for each program |
| 2, the program execution logic low coverage, are the weakest cover |
| 3, no combination of input values and the input value determining branch test program |
| Bifurcation 4, no test program |
| 5, no need to test different paths of program execution |
Third, the program flow
five, statement coverage case design
Path ace to complete statement coverage
| Test Case | Coverage Path | expected outcome |
|---|---|---|
| A=2，B=0，X=3 | a-c-e | X=2.5 |
