Coverage aggregating multiple test harnesses

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Seungkyu Park 2017-3-24

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https://ww2.mathworks.cn/matlabcentral/answers/331674-coverage-aggregating-multiple-test-harnesses

编辑： Arjun 2024-2-21

Hi, The model coverage can be calculated and reported as explained below.

https://kr.mathworks.com/help/slvnv/coverage-data-collection.html

https://kr.mathworks.com/help/slvnv/ug/top-level-model-coverage-report.html#br0nkyy-12

My question arises in this case. I have two test harnesses; test_harness1, test_harness2. Each of them covers some parts of the same subsystem (harnesses are separated since it might be too big written in just one test harness). The coverages are 40%, and 60% for each, but should go up to over 80% when considering both harnesses. Is there any way for the coverage to aggregate two harness?

Thanks.

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Gabriel Beltrao 2023-4-25

Hey Park,

Did you get any reply on that?

Arjun 2024-2-21

编辑：Arjun 2024-2-21

Hi,

I understand that you are trying to aggregate the test results from different test harness of the same model and want to generate the aggregated report.

To get the aggregated coverage collection, please follow the below steps:

1. configure test harnesses to automatically synchronize it to model on Open & Close by following the steps in https://www.mathworks.com/help/sltest/ug/sync-between-harness-and-model.html

2. Run the tests on the harnses model with coverage collection enabled. see info on coverage collection in https://www.mathworks.com/help/sltest/ug/collect-model-coverage-in-tests.html

3. Aggregate the results in the main model by loading the results manually using cvload command. for more info on cvload see https://www.mathworks.com/help/slcoverage/ref/cvload.html

There are certain condition on which we might not be able to aggregate the test results while working on harness due to consistency mismatch.

If you should need more information please see https://www.mathworks.com/help/sltest/ug/relationship-between-harness-and-model-block-diagrams.html

Regards,

Arjun

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