> Are you asking whether I write integration tests? Yes, I do. Exactly. You don't need unit tests for the binary output. You want to test whether the executabl

> Are you asking whether I write integration tests? Yes, I do. Exactly. You don't need unit tests for the binary output. You want to test whether the executable behaves as expected. Therefore "rust adds extra conditional branches that are never entered, and we can't test those branches" argument is not valid.