Fix #113, replace acknack count union #115
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Using a union for the ack/nak counts is somewhat dangerous because undefined behavior will occur if accessed improperly. In this case there is no need to have separate representations of the counter, they are both limited to the "unit8" range, so use a uint8.
jphickey
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astrogeco
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CCB: 2021-12-15 APPROVED!
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Hold of a bit on merging, I'm seeing intermittent unit test failures after this one (depends on random values being picked). This fixed a FSW issue (using == instead of >= when checking counter limits) and the unit test appears to be actively checking for the incorrect path being followed. |
The use of random numbers in a couple test cases was causing an unpredictable flow through the code. This replaces with fixed values so get consistent flows. Specifically, the "acknak_count" should always be less than the "ack_limit". The UT use of random numbers allowed it to be greater. However, if it is greater than the limit, it should still follow the limit/error path, not the successful path.
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Minor fix, should be good to go now with commit d800b4b. This just removes the problem random values and puts some fixed numbers to get consistent flow. |
skliper
approved these changes
Dec 17, 2021
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Using a union for the ack/nak counts is somewhat dangerous because undefined behavior will occur if accessed improperly. In this case there is no need to have separate representations of the counter, they are both limited to the "unit8" range, so use a uint8.
Fixes #113