Coverage test does not cover all my switch case block
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i am working on a simulink model and trying to cover it using test cases, these test cases are imported to signal builder as a csv extension. once loaded i check my values in comparaison to the csv file and start my coverage. Once done i check my model again and when i find the missing cases i add them, but it doesn though the given values are true and sometimes, it ends up lowering my MCDC.
i don't know if there is a rule when writing test cases that i should respect ?
3 个评论
stozaki
2022-5-30
Did you accumulate coverage results for multiple test cases when performing coverage measurements?
When defining multiple test cases using signal builder etc. and measuring coverage, it is necessary to accumulate coverage results.
Ayoub azd
2022-5-30
yes i did accumulate coverage tests, after i run the coverage for the first time i added the missing test to the old test cases (around 70) but it doesn't change anything.
i m giving to my signal builder block inputs of the system and predicted outputs too that i compare with the real output, does it have any role in the coverage if the predicted outputs are false?
the picture below shows the structure of my excel
Pat Canny
2022-5-31
Are the missing coverage objectives "dead"?
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