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LCOV/GCOV branch coverage reports

LCOV/GCOV are reporting weird branch coverage (conditional coverage) results when used with c++.

We suspect these weird branch reports come from internal exception wrappers/handlers. But shouldn't interfere with "high level" coverage reports.

LCOV Result

  • Line 6: printf() creating a branch? How to take the other one?
  • Line 9: Correct, both branches taken
  • Line 16-21: Branches, all over the place? How to take these other branches?

Reproduce

Dependencies

You need to install gcov, lcov and genhtml on your system.

Your g++ needs to support "--coverage".

Running

  1. Clone the repo
  2. Navigate into your cloned repo
  3. make
  4. Inspect the coverage report in "./generated-coverage/index.html"

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