Test coverage in LabView Unit Test Framework

[bokorpet]

Hi,

can somebody from NI confirm the following two statements about the Unit Test Framework:

1. The framework does not support "recursive coverage metrics", where the coverage considers sub-VIs that are executed in the VI under test.

2. 100% coverage means something weaker that common "branch coverage". For example, an "if" VI is a branch in the program but it is not considered as a branch by LabView's test coverage metrics.

Thanks,

Peter

[JohannesM]

Hi, could you clearify what you mean with "recursive testing"? When you define a unit test you test a programm with a given set of parameters. How do you implement a selfcalling VI?

Can you explain your request further?

[bokorpet]

Hello Johannes,

I'm interested in branch coverage of a VI under test.

Imagine a VI A that calls another VI B. If A is tested and LV's unit test framework reports 100% test coverage for A, it is possible that the test cases didn't visit all frames (branches) in B.

Now my question is: is it possible that LV thinks of A as "flattened" so that all code in B is considered as code of A?

Peter