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Reference and DetailsBackground information about Code Coverage and all kind of settings like configuration parameters, pragmas etc. are found here.
Code Coverage in Testwell CTC++ Code coverage is a measure on how thoroughly the program code has been exercised during test. The definitions of different coverage levels Testwell CTC++ is using are described here.
Function Coverage Function coverage measures which functions are called during test.

Function Coverage

Function coverage measures which functions are called during test.

It is the most lightweight instrumentation mode regarding the overhead to the program execution. There is no analysis how the function’s internal program flow has been exercised, hence this is a rather weak measure. Function coverage serves to give a rough, compact overview of the thoroughness of the test cases.

Note: Function coverage is available

as instrumentation mode with the ctc command -i f,
with ctcpost with the option -ff.